BUG: selftest/net/tun: Hang in unregister_netdevice

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Hi, all!

After running tools/testing/selftests/net/tun, there seems to be some kind of hang
in test "FAIL  tun.reattach_delete_close" or "FAIL  tun.reattach_close_delete".

Two tests exit by timeout, but the processes left are unkillable, even with kill -9 PID:

[root@pc-mtodorov linux_torvalds]# ps -ef | grep tun
root        1140       1  0 12:16 ?        00:00:00 /bin/bash /usr/sbin/ksmtuned
root        1333       1  0 12:16 ?        00:00:01 /usr/libexec/platform-python -Es /usr/sbin/tuned -l -P
root        3930    2309  0 12:20 pts/1    00:00:00 tools/testing/selftests/net/tun
root        3952    2309  0 12:21 pts/1    00:00:00 tools/testing/selftests/net/tun
root        4056    3765  0 12:25 pts/1    00:00:00 grep --color=auto tun
[root@pc-mtodorov linux_torvalds]# kill -9 3930 3952
[root@pc-mtodorov linux_torvalds]# ps -ef | grep tun
root        1140       1  0 12:16 ?        00:00:00 /bin/bash /usr/sbin/ksmtuned
root        1333       1  0 12:16 ?        00:00:01 /usr/libexec/platform-python -Es /usr/sbin/tuned -l -P
root        3930    2309  0 12:20 pts/1    00:00:00 tools/testing/selftests/net/tun
root        3952    2309  0 12:21 pts/1    00:00:00 tools/testing/selftests/net/tun
root        4060    3765  0 12:25 pts/1    00:00:00 grep --color=auto tun
[root@pc-mtodorov linux_torvalds]#

The kernel seems to be stuck in some loop, and filling the log with the
following messages until reboot, where it is also waiting very long on the
situation to timeout, which apparently never happens.

Mar 14 11:54:09 pc-mtodorov kernel: unregister_netdevice: waiting for tap0 to become free. Usage count = 3
Mar 14 11:54:19 pc-mtodorov kernel: unregister_netdevice: waiting for tap0 to become free. Usage count = 3
Mar 14 11:54:29 pc-mtodorov kernel: unregister_netdevice: waiting for tap0 to become free. Usage count = 3
Mar 14 11:54:40 pc-mtodorov kernel: unregister_netdevice: waiting for tap0 to become free. Usage count = 3
Mar 14 11:54:50 pc-mtodorov kernel: unregister_netdevice: waiting for tap0 to become free. Usage count = 3

The platform is kernel 6.3.0-rc2 on AlmaLinux 8.7 and a LENOVO_MT_10TX_BU_Lenovo_FM_V530S-07ICB
(lshw output attached).

The .config is here:

https://domac.alu.hr/~mtodorov/linux/selftests/net-tun/config-6.3.0-rc2-mg-andy-devres-00006-gfc89d7fb499b

Basically, it is a vanilla Torvalds tree kernel with MGLRU, KMEMLEAK, and CONFIG_DEBUG_KOBJECT enabled.
And devres patch.

Please find the strace of the net/tun run attached.

I am available for additional diagnostics.

Hope this helps.

Best regards,
Mirsad

--
Mirsad Goran Todorovac
Sistem inženjer
Grafički fakultet | Akademija likovnih umjetnosti
Sveučilište u Zagrebu

System engineer
Faculty of Graphic Arts | Academy of Fine Arts
University of Zagreb, Republic of Croatia
execve("tools/testing/selftests/net/tun", ["tools/testing/selftests/net/tun"], 0x7fff8e683510 /* 46 vars */) = 0
brk(NULL)                               = 0x11d7000
arch_prctl(0x3001 /* ARCH_??? */, 0x7ffef3ef5740) = -1 EINVAL (Invalid argument)
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=62335, ...}) = 0
mmap(NULL, 62335, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fb12d140000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\256\3\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=2093744, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb12d13e000
lseek(3, 808, SEEK_SET)                 = 808
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
mmap(NULL, 3954880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb12ca00000
mprotect(0x7fb12cbbc000, 2097152, PROT_NONE) = 0
mmap(0x7fb12cdbc000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1bc000) = 0x7fb12cdbc000
mmap(0x7fb12cdc2000, 14528, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fb12cdc2000
close(3)                                = 0
arch_prctl(ARCH_SET_FS, 0x7fb12d13f500) = 0
mprotect(0x7fb12cdbc000, 16384, PROT_READ) = 0
mprotect(0x604000, 4096, PROT_READ)     = 0
mprotect(0x7fb12d02d000, 4096, PROT_READ) = 0
munmap(0x7fb12d140000, 62335)           = 0
mmap(NULL, 1024, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7fb12d14f000
fstat(1, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
brk(NULL)                               = 0x11d7000
brk(0x11f8000)                          = 0x11f8000
brk(NULL)                               = 0x11f8000
write(1, "TAP version 13\n1..5\n# Starting 5"..., 103TAP version 13
1..5
# Starting 5 tests from 1 test cases.
#  RUN           tun.delete_detach_close ...
) = 103
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fb12d13f7d0) = 3871
rt_sigaction(SIGALRM, {sa_handler=0x401bf0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fb12ca4eb80}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
alarm(30)                               = 0
wait4(3871, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 3871
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
alarm(0)                                = 26
rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fb12ca4eb80}, NULL, 8) = 0
write(1, "#            OK  tun.delete_deta"..., 115#            OK  tun.delete_detach_close
ok 1 tun.delete_detach_close
#  RUN           tun.detach_delete_close ...
) = 115
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fb12d13f7d0) = 3890
rt_sigaction(SIGALRM, {sa_handler=0x401bf0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fb12ca4eb80}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fb12ca4eb80}, 8) = 0
alarm(30)                               = 0
wait4(3890, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 3890
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3890, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
alarm(0)                                = 26
rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fb12ca4eb80}, NULL, 8) = 0
write(1, "#            OK  tun.detach_dele"..., 115#            OK  tun.detach_delete_close
ok 2 tun.detach_delete_close
#  RUN           tun.detach_close_delete ...
) = 115
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fb12d13f7d0) = 3909
rt_sigaction(SIGALRM, {sa_handler=0x401bf0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fb12ca4eb80}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fb12ca4eb80}, 8) = 0
alarm(30)                               = 0
wait4(3909, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 3909
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3909, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
alarm(0)                                = 26
rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fb12ca4eb80}, NULL, 8) = 0
write(1, "#            OK  tun.detach_clos"..., 117#            OK  tun.detach_close_delete
ok 3 tun.detach_close_delete
#  RUN           tun.reattach_delete_close ...
) = 117
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fb12d13f7d0) = 3930
rt_sigaction(SIGALRM, {sa_handler=0x401bf0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fb12ca4eb80}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fb12ca4eb80}, 8) = 0
alarm(30)                               = 0
wait4(3930, 0x7ffef3ef55cc, 0, NULL)    = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---
kill(-3930, SIGKILL)                    = 0
rt_sigreturn({mask=[]})                 = -1 EINTR (Interrupted system call)
alarm(0)                                = 0
rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fb12ca4eb80}, NULL, 8) = 0
write(2, "# reattach_delete_close: Test te"..., 52# reattach_delete_close: Test terminated by timeout
) = 52
write(1, "#          FAIL  tun.reattach_de"..., 125#          FAIL  tun.reattach_delete_close
not ok 4 tun.reattach_delete_close
#  RUN           tun.reattach_close_delete ...
) = 125
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fb12d13f7d0) = 3952
rt_sigaction(SIGALRM, {sa_handler=0x401bf0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fb12ca4eb80}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fb12ca4eb80}, 8) = 0
alarm(30)                               = 0
wait4(3952, 0x7ffef3ef55cc, 0, NULL)    = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---
kill(-3952, SIGKILL)                    = 0
rt_sigreturn({mask=[]})                 = -1 EINTR (Interrupted system call)
alarm(0)                                = 0
rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fb12ca4eb80}, NULL, 8) = 0
write(2, "# reattach_close_delete: Test te"..., 52# reattach_close_delete: Test terminated by timeout
) = 52
munmap(0x7fb12d14f000, 1024)            = 0
write(1, "#          FAIL  tun.reattach_cl"..., 163#          FAIL  tun.reattach_close_delete
not ok 5 tun.reattach_close_delete
# FAILED: 3 / 5 tests passed.
# Totals: pass:3 fail:2 xfail:0 xpass:0 skip:0 error:0
) = 163
exit_group(1)                           = ?
+++ exited with 1 +++
pc-mtodorov.slava.alu.hr
    description: Desktop Computer
    product: 10TX000VCR (LENOVO_MT_10TX_BU_Lenovo_FM_V530S-07ICB)
    vendor: LENOVO
    version: V530S-07ICB
    serial: YL004CDC
    width: 64 bits
    capabilities: smbios-3.2.1 dmi-3.2.1 smp vsyscall32
    configuration: administrator_password=disabled boot=normal chassis=desktop family=V530S-07ICB keyboard_password=enabled power-on_password=disabled sku=LENOVO_MT_10TX_BU_Lenovo_FM_V530S-07ICB uuid=4fb93a00-bb35-11e8-bb0a-59599e0a2e00
  *-core
       description: Motherboard
       product: 3140
       vendor: LENOVO
       physical id: 0
       version: SDK0J40697 WIN 3305148204708
       slot: Default string
     *-firmware
          description: BIOS
          vendor: LENOVO
          physical id: 0
          version: M22KT49A
          date: 11/10/2022
          size: 64KiB
          capacity: 16MiB
          capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb biosbootspecification uefi
     *-memory
          description: System Memory
          physical id: 3b
          slot: System board or motherboard
          size: 16GiB
        *-bank:0
             description: DIMM DDR4 Synchronous 2666 MHz (0.4 ns)
             product: RMUA5110ME78HAF-2666
             vendor: Fujitsu
             physical id: 0
             serial: 14903C7C
             slot: ChannelA-DIMM1
             size: 8GiB
             width: 64 bits
             clock: 2666MHz (0.4ns)
        *-bank:1
             description: DIMM DDR4 Synchronous 2666 MHz (0.4 ns)
             product: JM2666HLB-8G
             vendor: Transcend
             physical id: 1
             serial: 00002814
             slot: ChannelB-DIMM2
             size: 8GiB
             width: 64 bits
             clock: 2666MHz (0.4ns)
     *-cache:0
          description: L1 cache
          physical id: 46
          slot: L1 Cache
          size: 384KiB
          capacity: 384KiB
          capabilities: synchronous internal write-back unified
          configuration: level=1
     *-cache:1
          description: L2 cache
          physical id: 47
          slot: L2 Cache
          size: 1536KiB
          capacity: 1536KiB
          capabilities: synchronous internal write-back unified
          configuration: level=2
     *-cache:2
          description: L3 cache
          physical id: 48
          slot: L3 Cache
          size: 9MiB
          capacity: 9MiB
          capabilities: synchronous internal write-back unified
          configuration: level=3
     *-cpu
          description: CPU
          product: Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz
          vendor: Intel Corp.
          physical id: 49
          bus info: cpu@0
          version: 6.158.10
          serial: To Be Filled By O.E.M.
          slot: U3E1
          size: 3856MHz
          capacity: 4005MHz
          width: 64 bits
          clock: 100MHz
          capabilities: lm fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp x86-64 constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d arch_capabilities cpufreq
          configuration: cores=6 enabledcores=6 microcode=240 threads=6
     *-pci
          description: Host bridge
          product: 8th Gen Core Processor Host Bridge/DRAM Registers
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 07
          width: 32 bits
          clock: 33MHz
          configuration: driver=skl_uncore
          resources: irq:0
        *-display
             description: VGA compatible controller
             product: CoffeeLake-S GT2 [UHD Graphics 630]
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             logical name: /dev/fb0
             version: 00
             width: 64 bits
             clock: 33MHz
             capabilities: pciexpress msi pm vga_controller bus_master cap_list rom fb
             configuration: depth=32 driver=i915 latency=0 resolution=1920,1080
             resources: irq:124 memory:a0000000-a0ffffff memory:90000000-9fffffff ioport:4000(size=64) memory:c0000-dffff
        *-generic:0 UNCLAIMED
             description: System peripheral
             product: Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
             vendor: Intel Corporation
             physical id: 8
             bus info: pci@0000:00:08.0
             version: 00
             width: 64 bits
             clock: 33MHz
             capabilities: msi pm cap_list
             configuration: latency=0
             resources: memory:a1221000-a1221fff
        *-generic:1
             description: Signal processing controller
             product: Cannon Lake PCH Thermal Controller
             vendor: Intel Corporation
             physical id: 12
             bus info: pci@0000:00:12.0
             version: 10
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi cap_list
             configuration: driver=intel_pch_thermal latency=0
             resources: irq:16 memory:a1220000-a1220fff
        *-usb
             description: USB controller
             product: Cannon Lake PCH USB 3.1 xHCI Host Controller
             vendor: Intel Corporation
             physical id: 14
             bus info: pci@0000:00:14.0
             version: 10
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi xhci bus_master cap_list
             configuration: driver=xhci_hcd latency=0
             resources: irq:121 memory:a1200000-a120ffff
           *-usbhost:0
                product: xHCI Host Controller
                vendor: Linux 6.3.0-rc2-mg-andy-devres-00006-gfc89d7fb499b xhci-hcd
                physical id: 0
                bus info: usb@1
                logical name: usb1
                version: 6.03
                capabilities: usb-2.00
                configuration: driver=hub slots=16 speed=480Mbit/s
              *-usb:0
                   description: Keyboard
                   product: Lenovo Lenovo Calliope USB Keyboard Consumer Control
                   vendor: Lenovo
                   physical id: 1
                   bus info: usb@1:1
                   logical name: input3
                   logical name: /dev/input/event3
                   logical name: input3::capslock
                   logical name: input3::numlock
                   logical name: input3::scrolllock
                   logical name: input5
                   logical name: /dev/input/event5
                   logical name: input6
                   logical name: /dev/input/event6
                   logical name: /dev/input/js0
                   version: 2.18
                   capabilities: usb-2.00 usb
                   configuration: driver=usbhid maxpower=100mA speed=2Mbit/s
              *-usb:1
                   description: Mouse
                   product: PixArt lenovo USB Optical Mouse
                   vendor: PixArt
                   physical id: 2
                   bus info: usb@1:2
                   logical name: input4
                   logical name: /dev/input/event4
                   logical name: /dev/input/mouse0
                   version: 1.00
                   capabilities: usb-2.00 usb
                   configuration: driver=usbhid maxpower=100mA speed=2Mbit/s
              *-usb:2
                   description: MMC Host
                   product: USB2.0-CRW
                   vendor: Generic
                   physical id: 6
                   bus info: usb@1:6
                   logical name: mmc0
                   version: 39.60
                   serial: 20100201396000000
                   capabilities: usb-2.00
                   configuration: driver=rtsx_usb maxpower=500mA speed=480Mbit/s
           *-usbhost:1
                product: xHCI Host Controller
                vendor: Linux 6.3.0-rc2-mg-andy-devres-00006-gfc89d7fb499b xhci-hcd
                physical id: 1
                bus info: usb@2
                logical name: usb2
                version: 6.03
                capabilities: usb-3.10
                configuration: driver=hub slots=6 speed=10000Mbit/s
        *-memory UNCLAIMED
             description: RAM memory
             product: Cannon Lake PCH Shared SRAM
             vendor: Intel Corporation
             physical id: 14.2
             bus info: pci@0000:00:14.2
             version: 10
             width: 64 bits
             clock: 33MHz (30.3ns)
             capabilities: pm cap_list
             configuration: latency=0
             resources: memory:a1216000-a1217fff memory:a121f000-a121ffff
        *-serial:0
             description: Serial bus controller
             product: Cannon Lake PCH Serial IO I2C Controller #0
             vendor: Intel Corporation
             physical id: 15
             bus info: pci@0000:00:15.0
             version: 10
             width: 64 bits
             clock: 33MHz
             capabilities: pm bus_master cap_list
             configuration: driver=intel-lpss latency=0
             resources: irq:16 memory:a1219000-a1219fff
        *-serial:1
             description: Serial bus controller
             product: Cannon Lake PCH Serial IO I2C Controller #1
             vendor: Intel Corporation
             physical id: 15.1
             bus info: pci@0000:00:15.1
             version: 10
             width: 64 bits
             clock: 33MHz
             capabilities: pm bus_master cap_list
             configuration: driver=intel-lpss latency=0
             resources: irq:17 memory:a121d000-a121dfff
        *-communication:0
             description: Communication controller
             product: Cannon Lake PCH HECI Controller
             vendor: Intel Corporation
             physical id: 16
             bus info: pci@0000:00:16.0
             version: 10
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi bus_master cap_list
             configuration: driver=mei_me latency=0
             resources: irq:125 memory:a121c000-a121cfff
        *-sata
             description: SATA controller
             product: Cannon Lake PCH SATA AHCI Controller
             vendor: Intel Corporation
             physical id: 17
             bus info: pci@0000:00:17.0
             logical name: scsi0
             logical name: scsi1
             version: 10
             width: 32 bits
             clock: 66MHz
             capabilities: sata msi pm ahci_1.0 bus_master cap_list emulated
             configuration: driver=ahci latency=0
             resources: irq:122 memory:a1214000-a1215fff memory:a121b000-a121b0ff ioport:4090(size=8) ioport:4080(size=4) ioport:4060(size=32) memory:a121a000-a121a7ff
           *-disk
                description: ATA Disk
                product: WDC  WDS500G2B0A
                vendor: Western Digital
                physical id: 0
                bus info: scsi@0:0.0.0
                logical name: /dev/sda
                version: 20WD
                serial: 21251V800740
                size: 465GiB (500GB)
                capabilities: gpt-1.00 partitioned partitioned:gpt
                configuration: ansiversion=5 guid=337420f3-fbd8-437d-ab9c-1a5f5f14c1d1 logicalsectorsize=512 sectorsize=512
              *-volume:0
                   description: reserved partition
                   vendor: Windows
                   physical id: 1
                   bus info: scsi@0:0.0.0,1
                   logical name: /dev/sda1
                   serial: 9e53775b-0aa1-4b97-93da-0e4e1531d755
                   capacity: 15MiB
                   capabilities: nofs
                   configuration: name=Microsoft reserved partition
              *-volume:1
                   description: Windows NTFS volume
                   vendor: Windows
                   physical id: 2
                   bus info: scsi@0:0.0.0,2
                   logical name: /dev/sda2
                   logical name: /mnt/win
                   version: 3.1
                   serial: e40c9218-ef8c-4e46-947e-2f1c19b65ae3
                   size: 292GiB
                   capacity: 292GiB
                   capabilities: ntfs initialized
                   configuration: clustersize=4096 created=2021-09-30 16:24:41 filesystem=ntfs label=New Volume mount.fstype=fuseblk mount.options=rw,relatime,user_id=0,group_id=0,allow_other,blksize=4096 name=Basic data partition state=mounted
              *-volume:2
                   description: Windows NTFS volume
                   vendor: Windows
                   physical id: 3
                   bus info: scsi@0:0.0.0,3
                   logical name: /dev/sda3
                   version: 3.1
                   serial: 28ff-3849
                   size: 488MiB
                   capacity: 507MiB
                   capabilities: boot precious ntfs initialized
                   configuration: clustersize=4096 created=2021-10-20 10:53:48 filesystem=ntfs state=clean
              *-volume:3
                   description: Windows FAT volume
                   vendor: MSDOS5.0
                   physical id: 4
                   bus info: scsi@0:0.0.0,4
                   logical name: /dev/sda4
                   logical name: /boot/efi
                   version: FAT32
                   serial: 161a-4187
                   size: 80MiB
                   capacity: 99MiB
                   capabilities: boot fat initialized
                   configuration: FATs=2 filesystem=fat mount.fstype=vfat mount.options=rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=winnt,errors=remount-ro name=EFI System Partition state=mounted
              *-volume:4
                   description: EFI partition
                   physical id: 5
                   bus info: scsi@0:0.0.0,5
                   logical name: /dev/sda5
                   logical name: /boot
                   serial: 215919e7-bba2-422f-b239-ce4814c65c12
                   capacity: 1023MiB
                   configuration: mount.fstype=xfs mount.options=rw,relatime,attr2,inode64,logbufs=8,logbsize=32k,noquota state=mounted
              *-volume:5
                   description: LVM Physical Volume
                   vendor: Linux
                   physical id: 6
                   bus info: scsi@0:0.0.0,6
                   logical name: /dev/sda6
                   serial: 5mgsOO-lX9e-wV9r-GPcp-1VBx-UJpx-3uWLde
                   size: 170GiB
                   capabilities: multi lvm2
           *-cdrom
                description: DVD-RAM writer
                product: DVDRAM GUE0N
                vendor: HL-DT-ST
                physical id: 1
                bus info: scsi@1:0.0.0
                logical name: /dev/cdrom
                logical name: /dev/sr0
                version: T.02
                capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
                configuration: ansiversion=5 status=nodisc
        *-pci
             description: PCI bridge
             product: Cannon Lake PCH PCI Express Root Port #7
             vendor: Intel Corporation
             physical id: 1c
             bus info: pci@0000:00:1c.0
             version: f0
             width: 32 bits
             clock: 33MHz
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:120 ioport:3000(size=4096) memory:a1100000-a11fffff
           *-network
                description: Ethernet interface
                product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
                vendor: Realtek Semiconductor Co., Ltd.
                physical id: 0
                bus info: pci@0000:01:00.0
                logical name: enp1s0
                version: 15
                serial: f4:93:9f:f0:a5:f5
                size: 1Gbit/s
                capacity: 1Gbit/s
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
                configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=6.3.0-rc2-mg-andy-devres-00006- duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=193.198.186.200 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
                resources: irq:18 ioport:3000(size=256) memory:a1104000-a1104fff memory:a1100000-a1103fff
        *-communication:1
             description: Communication controller
             product: Cannon Lake PCH Serial IO UART Host Controller
             vendor: Intel Corporation
             physical id: 1e
             bus info: pci@0000:00:1e.0
             version: 10
             width: 64 bits
             clock: 33MHz
             capabilities: pm bus_master cap_list
             configuration: driver=intel-lpss latency=0
             resources: irq:20 memory:a121e000-a121efff
        *-isa
             description: ISA bridge
             product: Intel Corporation
             vendor: Intel Corporation
             physical id: 1f
             bus info: pci@0000:00:1f.0
             version: 10
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master
             configuration: latency=0
           *-pnp00:00
                product: PnP device PNP0c02
                physical id: 0
                capabilities: pnp
                configuration: driver=system
           *-pnp00:01
                product: PnP device PNP0c02
                physical id: 1
                capabilities: pnp
                configuration: driver=system
           *-pnp00:02
                product: PnP device PNP0501
                physical id: 2
                capabilities: pnp
                configuration: driver=serial
           *-pnp00:03
                product: PnP device PNP0c02
                physical id: 3
                capabilities: pnp
                configuration: driver=system
           *-pnp00:04
                product: PnP device INT3f0d
                vendor: Interphase Corporation
                physical id: 4
                capabilities: pnp
                configuration: driver=system
           *-pnp00:05
                product: PnP device PNP0c02
                physical id: 5
                capabilities: pnp
                configuration: driver=system
           *-pnp00:06
                product: PnP device PNP0c02
                physical id: 6
                capabilities: pnp
                configuration: driver=system
           *-pnp00:07
                product: PnP device PNP0c02
                physical id: 7
                capabilities: pnp
                configuration: driver=system
           *-pnp00:08
                product: PnP device PNP0c02
                physical id: 8
                capabilities: pnp
                configuration: driver=system
        *-multimedia
             description: Audio device
             product: Cannon Lake PCH cAVS
             vendor: Intel Corporation
             physical id: 1f.3
             bus info: pci@0000:00:1f.3
             logical name: card0
             logical name: /dev/snd/controlC0
             logical name: /dev/snd/hwC0D0
             logical name: /dev/snd/hwC0D2
             logical name: /dev/snd/pcmC0D0c
             logical name: /dev/snd/pcmC0D0p
             logical name: /dev/snd/pcmC0D3p
             logical name: /dev/snd/pcmC0D7p
             logical name: /dev/snd/pcmC0D8p
             version: 10
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi bus_master cap_list
             configuration: driver=snd_hda_intel latency=32
             resources: irq:126 memory:a1210000-a1213fff memory:a1000000-a10fffff
           *-input:0
                product: HDA Intel PCH Front Mic
                physical id: 0
                logical name: input10
                logical name: /dev/input/event10
           *-input:1
                product: HDA Intel PCH Line Out
                physical id: 1
                logical name: input11
                logical name: /dev/input/event11
           *-input:2
                product: HDA Intel PCH Front Headphone
                physical id: 2
                logical name: input12
                logical name: /dev/input/event12
           *-input:3
                product: HDA Intel PCH HDMI/DP,pcm=3
                physical id: 3
                logical name: input13
                logical name: /dev/input/event13
           *-input:4
                product: HDA Intel PCH HDMI/DP,pcm=7
                physical id: 4
                logical name: input14
                logical name: /dev/input/event14
           *-input:5
                product: HDA Intel PCH HDMI/DP,pcm=8
                physical id: 5
                logical name: input15
                logical name: /dev/input/event15
           *-input:6
                product: HDA Intel PCH Mic
                physical id: 6
                logical name: input9
                logical name: /dev/input/event9
        *-serial:2
             description: SMBus
             product: Cannon Lake PCH SMBus Controller
             vendor: Intel Corporation
             physical id: 1f.4
             bus info: pci@0000:00:1f.4
             version: 10
             width: 64 bits
             clock: 33MHz
             configuration: driver=i801_smbus latency=0
             resources: irq:16 memory:a1218000-a12180ff ioport:efa0(size=32)
        *-serial:3 UNCLAIMED
             description: Serial bus controller
             product: Cannon Lake PCH SPI Controller
             vendor: Intel Corporation
             physical id: 1f.5
             bus info: pci@0000:00:1f.5
             version: 10
             width: 32 bits
             clock: 33MHz
             configuration: latency=0
             resources: memory:fe010000-fe010fff
  *-power UNCLAIMED
       description: To Be Filled By O.E.M.
       product: To Be Filled By O.E.M.
       vendor: To Be Filled By O.E.M.
       physical id: 1
       version: To Be Filled By O.E.M.
       serial: To Be Filled By O.E.M.
       capacity: 32768mWh
  *-input:0
       product: Sleep Button
       physical id: 2
       logical name: input0
       logical name: /dev/input/event0
       capabilities: platform
  *-input:1
       product: Power Button
       physical id: 3
       logical name: input1
       logical name: /dev/input/event1
       capabilities: platform
  *-input:2
       product: Power Button
       physical id: 4
       logical name: input2
       logical name: /dev/input/event2
       capabilities: platform
  *-input:3
       product: Video Bus
       physical id: 5
       logical name: input7
       logical name: /dev/input/event7
       capabilities: platform
  *-input:4
       product: PC Speaker
       physical id: 6
       logical name: input8
       logical name: /dev/input/event8
       capabilities: isa

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