Re: Windows: FIO randomly hangs using attached script

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Sitsofe,

See attached for the fio threads' backtraces.

\Rob


On 08/03/2018, 14:39, "Rob Scheepens" <rob.scheepens@xxxxxxxxxxx> wrote:

    I'll see if I can get gdb setup like that.
    
    Below output shows spec 176 was the last job that ran ok, so you could try if it reproduces with 177. However, the job number exhibiting the hang usually is different every time.
    
    \Rob
    
    
    On 08/03/2018, 14:29, "Sitsofe Wheeler" <sitsofe@xxxxxxxxx> wrote:
    
        A backtrace would be a good starting point but we need your gdb to be
        able to be able to produce that... If you've managed to successfully
        attach gdb to fio running something like
        
        set logging file fiobacktrace.txt
        set logging on
        thread apply all bt
        set logging off
        
        and copying the contents of fiobacktrace.txt to here would be helpful.
        If possible also take a note of the exact job that failed and send it
        over as presumably we can just keep rerunning that to produce the
        problem.
        
        On 8 March 2018 at 10:51, Rob Scheepens <rob.scheepens@xxxxxxxxxxx> wrote:
        > Just tested using fio-3.5: the first attempt already hung, at:
        >
        > PS C:\Python27> python .\profiler_win_dk.py
        > * Running job: 'config' (20 secs / spec)
        > ** Executing spec 176/405 at 2018-03-08 02:10:25.360000
        >
        > Instead of trying an large amount of variations to reproduce, which will be time-consuming, is there a way to capture a dump using gdb and debug that? I have very limited gdb skills and when I recently tried to save it off, it gave me an error that seemed to implicate some lib was not implemented on Windows.
        >
        > I left the vm in the current state, in case anyone wants me to get something from it.
        
        -- 
        Sitsofe | https://urldefense.proofpoint.com/v2/url?u=http-3A__sucs.org_-7Esits_&d=DwIFaQ&c=s883GpUCOChKOHiocYtGcg&r=OMged-t_5I_fmfpUaT3vaA06lgLL_alYnDQJxHmXz64&m=_j-o6LW-O_G6OkO-vy7HdE7UJDsy8W_csQytzi2Vg7I&s=u17mNDv5miOlk6AgsMohHL41aIameCmzLB1vhzTlxJc&e=
        
    
    

Thread 201 (Thread 3784.0x1540):
#0  0x00007ff845d098f1 in ntdll!DbgBreakPoint () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff845d3192a in ntdll!DbgUiRemoteBreakin () from C:\Windows\SYSTEM32\ntdll.dll
#2  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#3  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#4  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 200 (Thread 3784.0xe70):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b948b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 199 (Thread 3784.0xd6c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b6f140) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 198 (Thread 3784.0xcd0):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32bf1810) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 197 (Thread 3784.0xb78):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32963a90) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 196 (Thread 3784.0xaa4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b944d0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 195 (Thread 3784.0x162c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32706a00) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 194 (Thread 3784.0x1444):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b94610) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 193 (Thread 3784.0x1140):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b94690) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 192 (Thread 3784.0x1688):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b6f020) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 191 (Thread 3784.0x12b0):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32bf1710) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 190 (Thread 3784.0x105c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b94390) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 189 (Thread 3784.0x10ec):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b6ef00) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 188 (Thread 3784.0x51c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32963950) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 187 (Thread 3784.0x9c4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32a56b90) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 186 (Thread 3784.0xce8):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b6ef80) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 185 (Thread 3784.0x1798):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x329639d0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 184 (Thread 3784.0xf20):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32a292b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 183 (Thread 3784.0x12c8):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32a56a50) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 182 (Thread 3784.0xcd4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32b438b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 181 (Thread 3784.0x4cc):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32a293b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 180 (Thread 3784.0x1264):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32a56ad0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 179 (Thread 3784.0x17d4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32963e10) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 178 (Thread 3784.0xdac):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32991780) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 177 (Thread 3784.0x15ec):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32a29350) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 176 (Thread 3784.0x640):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x3297d110) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 175 (Thread 3784.0x1214):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32991720) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 174 (Thread 3784.0xd48):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x3297d350) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 173 (Thread 3784.0x10bc):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32991760) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 172 (Thread 3784.0x65c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x327069a0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 171 (Thread 3784.0x15b0):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32963e90) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 170 (Thread 3784.0xa08):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x3297d330) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 169 (Thread 3784.0x112c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x3280f610) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 168 (Thread 3784.0x30c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x327068e0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 167 (Thread 3784.0x5ac):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32921070) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 166 (Thread 3784.0x1580):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x3280f590) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 165 (Thread 3784.0x129c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf923e0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 164 (Thread 3784.0xb8c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x329213f0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 163 (Thread 3784.0xcac):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x3280f8b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 162 (Thread 3784.0x43c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32747f80) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 161 (Thread 3784.0x1244):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32706c20) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 160 (Thread 3784.0x1684):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x3280f690) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 159 (Thread 3784.0x137c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf92240) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 158 (Thread 3784.0x15d8):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32747de0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 157 (Thread 3784.0xcf0):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e19e1b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 156 (Thread 3784.0x1054):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e19e1d0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 155 (Thread 3784.0x167c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32706e50) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 154 (Thread 3784.0x1464):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32706d50) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 153 (Thread 3784.0x1788):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32706cd0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 152 (Thread 3784.0x15d4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x32706e10) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 151 (Thread 3784.0x1768):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf92320) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 150 (Thread 3784.0xf80):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e19d2f0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 149 (Thread 3784.0x1170):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e19e490) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 148 (Thread 3784.0xdc4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e16c330) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 147 (Thread 3784.0x9dc):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf925e0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 146 (Thread 3784.0x5c0):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e19d3f0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 145 (Thread 3784.0x16f8):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e19d4b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 144 (Thread 3784.0x1524):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf92680) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 143 (Thread 3784.0x10a0):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf9e670) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 142 (Thread 3784.0x1610):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e16c3f0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 141 (Thread 3784.0x248):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e066d40) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 140 (Thread 3784.0xf90):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf9e810) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 139 (Thread 3784.0xcb0):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf91a80) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 138 (Thread 3784.0x149c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e16c290) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 137 (Thread 3784.0xe54):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e066dc0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 136 (Thread 3784.0xf58):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf9e7f0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 135 (Thread 3784.0xd4c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf94ca0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 134 (Thread 3784.0x171c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e066cc0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 133 (Thread 3784.0xb84):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e031ca0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 132 (Thread 3784.0x126c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf91e60) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 131 (Thread 3784.0x146c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2df4b540) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 130 (Thread 3784.0x1718):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2e031da0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 129 (Thread 3784.0x161c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2df4b320) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 128 (Thread 3784.0xf94):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf919e0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 127 (Thread 3784.0x1128):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf91f60) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 126 (Thread 3784.0x1324):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2df08510) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 125 (Thread 3784.0x1630):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2defc970) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 124 (Thread 3784.0x3f4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2df085b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 123 (Thread 3784.0x16a8):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf91960) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 122 (Thread 3784.0x268):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf85150) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 121 (Thread 3784.0xac8):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2defcb90) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 120 (Thread 3784.0xb70):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf91dc0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 119 (Thread 3784.0xbc):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf94bc0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 118 (Thread 3784.0x7c):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf787a0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 117 (Thread 3784.0x9b4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf852f0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 116 (Thread 3784.0xe40):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2be67690) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 115 (Thread 3784.0x134):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bf78640) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 114 (Thread 3784.0x12e4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xb001dd0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 113 (Thread 3784.0x7f4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2be673f0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 112 (Thread 3784.0xd98):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xb0ad8b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 111 (Thread 3784.0x1490):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xb001890) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 110 (Thread 3784.0x1784):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2be674b0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 109 (Thread 3784.0x988):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xb0ad950) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 108 (Thread 3784.0x4b4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xb001830) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 107 (Thread 3784.0xfa0):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xaff3eb0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 106 (Thread 3784.0x16d4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xb0ad710) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 105 (Thread 3784.0x1648):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0x2bdaa2c0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 104 (Thread 3784.0x1118):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xb001e10) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 103 (Thread 3784.0x104):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xafe9750) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 102 (Thread 3784.0x8d4):
#0  0x00007ff845d061c4 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264ac2f in KERNELBASE!GetQueuedCompletionStatus () from C:\Windows\System32\KernelBase.dll
#2  0x00000000004686b0 in IoCompletionRoutine (lpParameter=0xb001bd0) at engines/windowsaio.c:427
#3  0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#4  0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 101 (Thread 3784.0x14c0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c2c360, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c2c370) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb82f850) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 100 (Thread 3784.0x16d0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c2b460, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c2b470) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb81e3a0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 99 (Thread 3784.0x1538):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c2a560, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c2a570) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb80cef0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 98 (Thread 3784.0x7c0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c29660, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c29670) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb7fba40) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 97 (Thread 3784.0x16c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c28760, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c28770) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb7ea590) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 96 (Thread 3784.0x16cc):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c27860, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c27870) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb7d90e0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 95 (Thread 3784.0x41c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c26960, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c26970) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb7c7c30) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 94 (Thread 3784.0x179c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c25a60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c25a70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb7b6780) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 93 (Thread 3784.0xa9c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c24b60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c24b70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb7a52d0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 92 (Thread 3784.0x638):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c23c60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c23c70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb793e20) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 91 (Thread 3784.0x1528):
#0  0x00007ff845d09814 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff845c8faa7 in ntdll!RtlpUnWaitCriticalSection () from C:\Windows\SYSTEM32\ntdll.dll
#2  0x00007ff845c8f9ae in ntdll!RtlpUnWaitCriticalSection () from C:\Windows\SYSTEM32\ntdll.dll
#3  0x00007ff845c8f83f in ntdll!RtlpUnWaitCriticalSection () from C:\Windows\SYSTEM32\ntdll.dll
#4  0x00007ff845c90d04 in ntdll!RtlEnterCriticalSection () from C:\Windows\SYSTEM32\ntdll.dll
#5  0x00007ff845c90c30 in ntdll!RtlEnterCriticalSection () from C:\Windows\SYSTEM32\ntdll.dll
#6  0x000000000046baaf in pthread_cond_wait (c=c@entry=0x1b0008, external_mutex=external_mutex@entry=0x1b0000)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:437
#7  0x0000000000441232 in fio_mutex_down (mutex=0x1b0000) at mutex.c:224
#8  0x0000000000446eae in sfree_pool (ptr=0x2c22bc0, pool=0x55c980 <mp>) at smalloc.c:312
#9  sfree (ptr=0x2c22bd0) at smalloc.c:336
#10 0x000000000042df76 in close_and_free_files (td=td@entry=0xb782970) at filesetup.c:1367
#11 0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#12 0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#13 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#14 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#15 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#16 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#17 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 90 (Thread 3784.0x14e8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c21e60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c21e70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb7714c0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 89 (Thread 3784.0x1070):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c20f60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c20f70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb760010) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 88 (Thread 3784.0x1654):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c20060, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c20070) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb74eb60) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 87 (Thread 3784.0xec4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c1f160, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c1f170) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb73d6b0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 86 (Thread 3784.0x16a4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c1e260, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c1e270) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb72c200) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 85 (Thread 3784.0x12a8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c1d360, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c1d370) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb71ad50) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 84 (Thread 3784.0xab4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c1c460, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c1c470) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb7098a0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 83 (Thread 3784.0x1468):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c1b560, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c1b570) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb6f83f0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 82 (Thread 3784.0x1650):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c1a660, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c1a670) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb6e6f40) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 81 (Thread 3784.0x1314):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c19760, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c19770) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb6d5a90) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 80 (Thread 3784.0x1298):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c18860, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c18870) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb6c45e0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 79 (Thread 3784.0xfa4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c16a60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c16a70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb6a1c80) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 78 (Thread 3784.0x152c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c15b60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c15b70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb6907d0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 77 (Thread 3784.0x111c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c14c60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c14c70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb67f320) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 76 (Thread 3784.0xb80):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c13d60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c13d70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb66de70) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 75 (Thread 3784.0x32c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c12e60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c12e70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb65c9c0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 74 (Thread 3784.0x2f4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c11f60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c11f70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb64b510) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 73 (Thread 3784.0x3d0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c11060, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c11070) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb63a060) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 72 (Thread 3784.0x1004):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c10160, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c10170) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb628bb0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 71 (Thread 3784.0x11c0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c0f260, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c0f270) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb617700) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 70 (Thread 3784.0x770):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c0e360, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c0e370) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb606250) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 69 (Thread 3784.0x8f8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c0d460, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c0d470) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb5f4da0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 68 (Thread 3784.0xf1c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c0c560, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c0c570) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb5e38f0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 67 (Thread 3784.0x1058):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c0b660, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c0b670) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb5d2440) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 66 (Thread 3784.0x165c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c0a760, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c0a770) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb5c0f90) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 65 (Thread 3784.0x1558):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c09860, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c09870) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb5afae0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 64 (Thread 3784.0xfe4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c08960, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c08970) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb59e630) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 63 (Thread 3784.0x17cc):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c07a60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c07a70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb58d180) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 62 (Thread 3784.0x1248):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c06b60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c06b70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb57bcd0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 61 (Thread 3784.0x1334):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c05c60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c05c70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb56a820) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 60 (Thread 3784.0xfe8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c04d60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c04d70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb559370) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 59 (Thread 3784.0x17ac):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c03e60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c03e70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb547ec0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 58 (Thread 3784.0xe44):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c02f60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c02f70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb536a10) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 57 (Thread 3784.0xf30):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c02060, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c02070) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb525560) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 56 (Thread 3784.0x3b0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c01160, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c01170) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb5140b0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 55 (Thread 3784.0x1604):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2c00260, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2c00270) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb502c00) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 54 (Thread 3784.0x188):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bff360, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bff370) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb4f1750) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 53 (Thread 3784.0xca0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046b4cc in do_sema_b_wait_intern (sema=sema@entry=0xa8, nointerrupt=nointerrupt@entry=1, 
    timeout=timeout@entry=4294967295) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:601
#3  0x000000000046b60e in do_sema_b_wait (sema=0xa8, nointerrupt=1, timeout=4294967295, cs=0x1e15f0, val=0x1e1618)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:584
#4  0x000000000046b89f in pthread_cond_signal (c=<optimized out>)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:327
#5  0x00000000004412c0 in fio_mutex_up (mutex=<optimized out>) at mutex.c:246
#6  0x0000000000446feb in sfree_pool (ptr=<optimized out>, pool=<optimized out>) at smalloc.c:317
#7  sfree (ptr=<optimized out>) at smalloc.c:336
#8  0x000000000042df59 in close_and_free_files (td=td@entry=0xb4e02a0) at filesetup.c:1358
#9  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#10 0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#11 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#13 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#14 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#15 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 52 (Thread 3784.0x1114):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bfd560, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bfd570) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb4cedf0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 51 (Thread 3784.0x894):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bfc660, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bfc670) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb4bd940) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 50 (Thread 3784.0xd24):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bfb760, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bfb770) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb4ac490) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 49 (Thread 3784.0xadc):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bfa860, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bfa870) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb49afe0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 48 (Thread 3784.0x8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf9960, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf9970) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb489b30) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 47 (Thread 3784.0xdf4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf8a60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf8a70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb478680) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 46 (Thread 3784.0x10dc):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf7b60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf7b70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb4671d0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 45 (Thread 3784.0xa18):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf6c60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf6c70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb455d20) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 44 (Thread 3784.0x154c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf5d60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf5d70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb444870) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 43 (Thread 3784.0x8d0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf4e60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf4e70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb4333c0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 42 (Thread 3784.0x10d8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf3f60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf3f70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb421f10) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 41 (Thread 3784.0xd20):
#0  0x00007ff845d06bf4 in ntdll!ZwWaitForMultipleObjects () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264796f in WaitForMultipleObjectsEx () from C:\Windows\System32\KernelBase.dll
#2  0x00007ff84264786e in WaitForMultipleObjects () from C:\Windows\System32\KernelBase.dll
#3  0x000000000046b31f in do_sema_b_wait_intern (sema=sema@entry=0xa4, nointerrupt=nointerrupt@entry=0, 
    timeout=timeout@entry=4294967295) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:625
#4  0x000000000046b60e in do_sema_b_wait (sema=0xa4, nointerrupt=0, timeout=4294967295, cs=0x1e15c0, val=0x1e15e8)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:584
#5  0x000000000046bb91 in pthread_cond_wait (c=c@entry=0x1b0008, external_mutex=external_mutex@entry=0x1b0000)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:451
#6  0x0000000000441232 in fio_mutex_down (mutex=0x1b0000) at mutex.c:224
#7  0x0000000000446eae in sfree_pool (ptr=0x2bf3420, pool=0x55c980 <mp>) at smalloc.c:312
#8  sfree (ptr=0x2bf3430) at smalloc.c:336
#9  0x000000000042df59 in close_and_free_files (td=td@entry=0xb410a60) at filesetup.c:1358
#10 0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#11 0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#12 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#13 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#14 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#15 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#16 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 40 (Thread 3784.0x1494):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf2160, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf2170) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb3ff5b0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 39 (Thread 3784.0xc30):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf1260, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf1270) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb3ee100) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 38 (Thread 3784.0x11cc):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bf0360, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bf0370) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb3dcc50) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 37 (Thread 3784.0x17d0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bef460, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bef470) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb3cb7a0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 36 (Thread 3784.0x1420):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bee560, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bee570) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb3ba2f0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 35 (Thread 3784.0x554):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bed660, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bed670) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb3a8e40) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 34 (Thread 3784.0x1438):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bec760, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bec770) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb397990) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 33 (Thread 3784.0x1700):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bea960, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bea970) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb375030) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 32 (Thread 3784.0x50):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2be7c60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2be7c70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb341220) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 31 (Thread 3784.0x10a8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2be6d60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2be6d70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb32fd70) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 30 (Thread 3784.0xd94):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2be5e60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2be5e70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb31e8c0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 29 (Thread 3784.0xb3c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2be4f60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2be4f70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb30d410) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 28 (Thread 3784.0xf64):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2be4060, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2be4070) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb2fbf60) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 27 (Thread 3784.0xb60):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2be3160, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2be3170) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb2eaab0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 26 (Thread 3784.0x15a4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2be2260, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2be2270) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb2d9600) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 25 (Thread 3784.0x4b8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2be0460, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2be0470) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb2b6ca0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 24 (Thread 3784.0x12e0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bdf560, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bdf570) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb2a57f0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 23 (Thread 3784.0x1404):
#0  0x00007ff845d06bf4 in ntdll!ZwWaitForMultipleObjects () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264796f in WaitForMultipleObjectsEx () from C:\Windows\System32\KernelBase.dll
#2  0x00007ff84264786e in WaitForMultipleObjects () from C:\Windows\System32\KernelBase.dll
#3  0x000000000046b31f in do_sema_b_wait_intern (sema=sema@entry=0xa4, nointerrupt=nointerrupt@entry=0, 
    timeout=timeout@entry=4294967295) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:625
#4  0x000000000046b60e in do_sema_b_wait (sema=0xa4, nointerrupt=0, timeout=4294967295, cs=0x1e15c0, val=0x1e15e8)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:584
#5  0x000000000046bb91 in pthread_cond_wait (c=c@entry=0x1b0008, external_mutex=external_mutex@entry=0x1b0000)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:451
#6  0x0000000000441232 in fio_mutex_down (mutex=0x1b0000) at mutex.c:224
#7  0x0000000000446eae in sfree_pool (ptr=0x2bdee20, pool=0x55c980 <mp>) at smalloc.c:312
#8  sfree (ptr=0x2bdee30) at smalloc.c:336
#9  0x000000000042df76 in close_and_free_files (td=td@entry=0xb294340) at filesetup.c:1367
#10 0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#11 0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#12 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#13 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#14 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#15 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#16 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 22 (Thread 3784.0x16c4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bdd760, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bdd770) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb282e90) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 21 (Thread 3784.0x15e4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bdc860, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bdc870) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb2719e0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 20 (Thread 3784.0x458):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bdb960, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bdb970) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb260530) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 19 (Thread 3784.0x264):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441292 in fio_mutex_up (mutex=0x1b0000) at mutex.c:238
#5  0x0000000000446feb in sfree_pool (ptr=<optimized out>, pool=<optimized out>) at smalloc.c:317
#6  sfree (ptr=<optimized out>) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb24f080) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 18 (Thread 3784.0x16e8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bd9b60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bd9b70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb23dbd0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 17 (Thread 3784.0x14d0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bd8c60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bd8c70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb22c720) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 16 (Thread 3784.0x1064):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bd7d60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bd7d70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb21b270) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 15 (Thread 3784.0x1550):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bd5f60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bd5f70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb1f8910) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 14 (Thread 3784.0x1024):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bd5060, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bd5070) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb1e7460) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 13 (Thread 3784.0x9b0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bd4160, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bd4170) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb1d5fb0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 12 (Thread 3784.0xcb4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bd3260, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bd3270) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb1c4b00) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 11 (Thread 3784.0xae4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bd1460, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bd1470) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb1a21a0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 10 (Thread 3784.0x17d8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bd0560, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bd0570) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb190cf0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 9 (Thread 3784.0x10b0):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bcf660, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bcf670) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb17f840) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 8 (Thread 3784.0x4e4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bcd860, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bcd870) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb15cee0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 7 (Thread 3784.0x14f8):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bcc960, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bcc970) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb14ba30) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 6 (Thread 3784.0xb4c):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bcba60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bcba70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb13a580) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 5 (Thread 3784.0x15c4):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bcab60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bcab70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb1290d0) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 4 (Thread 3784.0x1218):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bc6f60, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bc6f70) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb0e3e10) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 3 (Thread 3784.0xd38):
#0  0x00007ff845d06124 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842633acf in WaitForSingleObjectEx () from C:\Windows\System32\KernelBase.dll
#2  0x000000000046c0df in pthread_mutex_lock_intern (timeout=4294967295, m=0x1e1880)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:167
#3  pthread_mutex_lock (m=m@entry=0x1b0000) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/mutex.c:188
#4  0x0000000000441213 in fio_mutex_down (mutex=0x1b0000) at mutex.c:220
#5  0x0000000000446eae in sfree_pool (ptr=0x2bc6060, pool=0x55c980 <mp>) at smalloc.c:312
#6  sfree (ptr=0x2bc6070) at smalloc.c:336
#7  0x000000000042df59 in close_and_free_files (td=td@entry=0xb0d2960) at filesetup.c:1358
#8  0x000000000045992c in thread_main (data=<optimized out>) at backend.c:1901
#9  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#10 0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#12 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#13 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#14 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 2 (Thread 3784.0x1574):
#0  0x00007ff845d06bf4 in ntdll!ZwWaitForMultipleObjects () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff84264796f in WaitForMultipleObjectsEx () from C:\Windows\System32\KernelBase.dll
#2  0x00007ff84264786e in WaitForMultipleObjects () from C:\Windows\System32\KernelBase.dll
#3  0x000000000046b31f in do_sema_b_wait_intern (sema=sema@entry=0x8cc, nointerrupt=nointerrupt@entry=0, 
    timeout=timeout@entry=500) at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:625
#4  0x000000000046b60e in do_sema_b_wait (sema=0x8cc, nointerrupt=0, timeout=500, cs=0xafc9a60, val=0xafc9a88)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:584
#5  0x000000000046be8e in pthread_cond_timedwait_impl (c=c@entry=0x2c2d0f8, 
    external_mutex=external_mutex@entry=0x2c2d0f0, t=t@entry=0x1ce9fe30, rel=rel@entry=0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:504
#6  0x000000000046bea8 in pthread_cond_timedwait (c=c@entry=0x2c2d0f8, m=m@entry=0x2c2d0f0, t=t@entry=0x1ce9fe30)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/cond.c:515
#7  0x0000000000466978 in helper_thread_main (data=0x2c2d0d0) at helper_thread.c:95
#8  0x000000000046df74 in pthread_create_wrapper (args=0x0)
    at /usr/src/debug/mingw64-x86_64-winpthreads-5.0.3-1/src/thread.c:1492
#9  0x00007ff845a9b2ba in msvcrt!_beginthreadex () from C:\Windows\System32\msvcrt.dll
#10 0x00007ff845a9b38c in msvcrt!_endthreadex () from C:\Windows\System32\msvcrt.dll
#11 0x00007ff8448d8364 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll
#12 0x00007ff845cc7091 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
#13 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 3784.0x16fc):
#0  0x00007ff845d06724 in ntdll!ZwDelayExecution () from C:\Windows\SYSTEM32\ntdll.dll
#1  0x00007ff842647b47 in SleepEx () from C:\Windows\System32\KernelBase.dll
#2  0x0000000000469fa8 in usleep (useconds=<optimized out>, useconds@entry=10000) at os/windows/posix.c:572
#3  0x000000000045d03a in do_usleep (usecs=10000) at backend.c:2129
#4  run_threads (sk_out=sk_out@entry=0x0) at backend.c:2444
#5  0x000000000045d3da in fio_backend (sk_out=sk_out@entry=0x0) at backend.c:2493
#6  0x0000000000480329 in main (argc=4, argv=0x1e13c0, envp=<optimized out>) at fio.c:65

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