On Mon, 27 Jul 2015, DIXLOR wrote: > 26.07.2015 21:56, Thomas Gleixner пишет: > > On Sat, 25 Jul 2015, DIXLOR wrote: > > > # xfs_fsr; > > > ^C > > > > > > [ 3380.373641] WARNING: CPU: 6 PID: 3664 at kernel/locking/rtmutex.h:29 > > > 0xffffffff814d4ea2() > > > [ 3380.373641] rtmutex deadlock detected > > > [ 3380.373645] Modules linked in: cpufreq_userspace cpufreq_powersave > > > cpufreq_conservative nct6775 hwmon_vid xhci_hcd usbcore iTCO_wdt > > > crct10dif_pclmul iTCO_vendor_support shpchp crc32c_intel i2c_i801 lpc_ich > > > i2c_core usb_common mfd_core button processor dm_mod raid1 ahci libahci > > > fan > > > thermal thermal_sys [last unloaded: xhci_pci] > > > [ 3380.373646] CPU: 6 PID: 3664 Comm: xfs_fsr Tainted: G D > > > 3.18.19-rt15 > > > #3 > > > [ 3380.373647] Hardware name: MSI MS-7823/B85M-G43 (MS-7823), BIOS V3.14B3 > > > 06/23/2014 > > > [ 3380.373647] 0000000000000000 0000000000000009 ffffffff814d1350 > > > ffff8807ef65f538 > > > [ 3380.373648] ffffffff810498dd ffff8807cf289d10 ffff8807ef65f5c0 > > > 0000000000000000 > > > [ 3380.373648] 0000000000000000 0000000000000002 ffffffff81049955 > > > ffffffff81680648 > > > [ 3380.373649] Call Trace: > > > [ 3380.373649] [<ffffffff814d1350>] ? 0xffffffff814d1350 > > Can you please build your kernel with KALLSYSMS_ALL enabled, so we get > > a symbolic resolution of the call trace. > > > > You can also try and enable CONFIG_PROVE_LOCKING. That will give us > > even more detailed information about the problem at hand. Note, that > > CONFIG_PROVE_LOCKING slows down your kernel, so don't try to run on a > > production environment. > I found the reason: xfs mount with filestreams option. Ok. So we still need to investigate what happens there. Is there anything else required than - xfs mount with filestreams option - Running xfs_fsr and ^C it? Thanks, tglx
