Bug 102261

Summary: [CI] igt@* - fail - rtcwake failed - Freezing of tasks failed after 20.001 seconds (1 tasks refusing to freeze, wq_busy=0): fstrim D 0 3100 3099 0x00000004
Product: DRI Reporter: Martin Peres <martin.peres>
Component: IGTAssignee: Tomi Sarvela <tomi.p.sarvela>
Status: CLOSED WORKSFORME QA Contact:
Severity: critical    
Priority: high CC: intel-gfx-bugs, petri.latvala, tomi.p.sarvela
Version: DRI git   
Hardware: Other   
OS: All   
See Also: https://bugs.freedesktop.org/show_bug.cgi?id=102899
https://bugs.freedesktop.org/show_bug.cgi?id=102901
https://bugs.freedesktop.org/show_bug.cgi?id=103077
Whiteboard: ReadyForDev
i915 platform: HSW i915 features:

Comment 1 Tomi Sarvela 2017-08-18 12:53:09 UTC
https://bugzilla.kernel.org/show_bug.cgi?id=196691
Comment 2 Martin Peres 2017-08-23 08:00:39 UTC
Also seen on SandyBridge.

Current statistics are 100% reproducible (SNB will appear in an hour): https://intel-gfx-ci.01.org/cibuglog/index.html%3Faction_failures_history=210.html
Comment 4 Imre Deak 2017-09-14 20:01:42 UTC
Based on the logs in the bug description from Martin, the hibernation got interrupted due to:

PM: Swap header not found!

So could you try recreating the swap area or otherwise make it sure the hibernation image can be saved?
Comment 5 Chris Wilson 2017-09-14 20:56:20 UTC
Using a swapfile not swap partition.

Did it really get all the way to the end of writing (or just creating) the hibernation image before checking it had somewhere to save that image?
Comment 6 Imre Deak 2017-09-15 07:12:49 UTC
(In reply to Chris Wilson from comment #5)
> Using a swapfile not swap partition.
> 
> Did it really get all the way to the end of writing (or just creating) the
> hibernation image before checking it had somewhere to save that image?

AFAICS it did write all the pages, but failed to update some metadata in the end which is in the swapheader. So I'm guessing it's just corrupted swap area and would need to be recreated.
Comment 7 Hector Velazquez 2017-09-19 21:56:21 UTC
This test also is failing on GLK QA

Tests List:

igt@drv_suspend@debugfs-reader-hibernate


====================================================
Output
====================================================

. . .
**** DEBUG ****
(drv_suspend:12371) igt-core-DEBUG: Test requirement passed: !igt_run_in_simulation()
(drv_suspend:12371) igt-aux-DEBUG: Test requirement passed: (power_dir = open("/sys/power", O_RDONLY)) >= 0
(drv_suspend:12371) igt-aux-DEBUG: Test requirement passed: get_supported_suspend_states(power_dir) & (1 << state)
(drv_suspend:12371) igt-aux-DEBUG: Test requirement passed: test == SUSPEND_TEST_NONE || faccessat(power_dir, "pm_test", R_OK | W_OK, 0) == 0
(drv_suspend:12371) igt-aux-DEBUG: Test requirement passed: ret == 0
(drv_suspend:12371) igt-aux-CRITICAL: Test assertion failure function suspend_via_rtcwake, file igt_aux.c:769:
(drv_suspend:12371) igt-aux-CRITICAL: Failed assertion: ret == 0
(drv_suspend:12371) igt-aux-CRITICAL: rtcwake failed with 256
Check dmesg for further details.
(drv_suspend:12371) igt-core-INFO: Stack trace:
(drv_suspend:12371) igt-core-INFO:   #0 [__igt_fail_assert+0x101]
(drv_suspend:12371) igt-core-INFO:   #1 [igt_system_suspend_autoresume+0x5ae]
(drv_suspend:12371) igt-core-INFO:   #2 [<unknown>+0x5ae]
****  END  ****
. . .



This is my configuration:

====================================================
Graphic Stack
====================================================

Component: drm
    tag: libdrm-2.4.81-55-g76418c2
    commit: 76418c244d4c52a8dd20809e3e8b4e70501fc76f

Component: cairo
    tag: 1.15.6-38-g1220e3c
    commit: 1220e3c6b8f94a00ac7afee15f21e6782655d97c

Component: intel-gpu-tools
    tag: intel-gpu-tools-1.19-312-gda197b5
    commit: da197b5f3cb516aaaea72d0d60b0f5c1c81081dd

Component: piglit
    tag: piglit-v1
    commit: 2753955998d7deb90f681cf4cb1253c4519dfd1d


======================================
	     Software
======================================
kernel version              : 4.14.0-rc1-drm-tip-ww38-commit-ab2e3a0+
hostname                    : GLK-1-GLKRVP1DDR405
architecture                : x86_64
os version                  : Ubuntu 16.10
os codename                 : yakkety
kernel driver               : i915
bios revision               : 60.34
bios release date           : 08/09/2017
ksc                         : 1.41
hardware acceleration       : disabled
swap partition              : enabled on (/dev/sda3)

======================================
	Graphic drivers
======================================
libdrm                      : 2.4.83
cairo                       : 1.15.9
intel-gpu-tools (tag)       : intel-gpu-tools-1.19-289-gc718ba8
intel-gpu-tools (commit)    : c718ba8

======================================
	     Hardware
======================================
platform                   : Geminilake
motherboard model          : Geminilake
motherboard id             : GLKRVP1DDR4(05)
form factor                : Hand Held
manufacturer               : IntelCorp.
cpu family                 : Other
cpu family id              : 6
cpu information            : Genuine Intel(R) CPU @ 1.10GHz
gpu card                   : Intel Corporation Device 3185 (rev 03) (prog-if 00 [VGA controller])
memory ram                 : 7.6 GB
max memory ram             : 16 GB
cpu thread                 : 2
cpu core                   : 2
cpu model                  : 122
cpu stepping               : 1
socket                     : Other
hard drive                 : 223GiB (240GB)
current cd clock frequency : 316800 kHz
maximum cd clock frequency : 316800 kHz
displays connected         : eDP-1 DP-1 HDMI-A-2

======================================
	     Firmware
======================================
dmc fw loaded             : yes
dmc version               : 1.4
guc fw loaded             : SUCCESS
guc version wanted        : 10.56
guc version found         : 10.56
huc fw loaded             : yes

======================================
	     kernel parameters
======================================
quiet splash drm.debug=0xe i915.enable_guc_submission=2 i915.enable_guc_loading=2 i915.alpha_support=1 resume=/dev/sda3
Comment 9 Hector Velazquez 2017-09-27 19:01:53 UTC
This test also is failing on GLK QA

Tests List:

igt@drv_suspend@debugfs-reader-hibernate
igt@drv_suspend@forcewake-hibernate


====================================================
Output
====================================================

. . .
**** DEBUG ****
(drv_suspend:12546) igt-debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(drv_suspend:12546) igt-core-DEBUG: Test requirement passed: !igt_run_in_simulation()
(drv_suspend:12546) igt-aux-DEBUG: Test requirement passed: (power_dir = open("/sys/power", O_RDONLY)) >= 0
(drv_suspend:12546) igt-aux-DEBUG: Test requirement passed: get_supported_suspend_states(power_dir) & (1 << state)
(drv_suspend:12546) igt-aux-DEBUG: Test requirement passed: test == SUSPEND_TEST_NONE || faccessat(power_dir, "pm_test", R_OK | W_OK, 0) == 0
(drv_suspend:12546) igt-aux-DEBUG: Test requirement passed: ret == 0
(drv_suspend:12546) igt-aux-CRITICAL: Test assertion failure function suspend_via_rtcwake, file igt_aux.c:769:
(drv_suspend:12546) igt-aux-CRITICAL: Failed assertion: ret == 0
(drv_suspend:12546) igt-aux-CRITICAL: Last errno: 2, No such file or directory
(drv_suspend:12546) igt-aux-CRITICAL: rtcwake failed with 256
Check dmesg for further details.
(drv_suspend:12546) igt-core-INFO: Stack trace:
(drv_suspend:12546) igt-core-INFO:   #0 [__igt_fail_assert+0x101]
(drv_suspend:12546) igt-core-INFO:   #1 [igt_system_suspend_autoresume+0x5ae]
(drv_suspend:12546) igt-core-INFO:   #2 [<unknown>+0x5ae]
****  END  ****
. . .



This is my configuration:

======================================
        Graphic stack
======================================
Component: drm
    tag: libdrm-2.4.81-56-g7c71188
    commit: 7c71188610b4ceba0339c2bc884320bcb749adee

Component: cairo
    tag: 1.15.6-42-gdccbed7
    commit: dccbed7d78d32bd3b912e8810379451dd94e6a1f

Component: intel-gpu-tools
    tag: intel-gpu-tools-1.19-332-g0a91a5e
    commit: 0a91a5e9624d41d23b79e2540eda111cb56d42d9

Component: piglit
    tag: piglit-v1
    commit: 95e2f51a28b6cf7ff77d84e1234121c98f10ef64
	
======================================
             Software
======================================
kernel version              : 4.14.0-rc2-drm-tip-ww39-commit-d76cbbc+
hostname                    : GLK-2-GLKRVP1DDR405
architecture                : x86_64
os version                  : Ubuntu 16.10
os codename                 : yakkety
kernel driver               : i915
bios revision               : 62.30
bios release date           : 08/22/2017
ksc                         : 1.41
hardware acceleration       : disabled
swap partition              : enabled on (/dev/sda3)

======================================
        Graphic drivers
======================================
grep: /opt/X11R7/var/log/Xorg.0.log: No such file or directory
libdrm                      : 2.4.83
cairo                       : 1.15.9
intel-gpu-tools (tag)       : intel-gpu-tools-1.19-332-g0a91a5e
intel-gpu-tools (commit)    : 0a91a5e

======================================
             Hardware
======================================
. . .

======================================
             Firmware
======================================
dmc fw loaded             : yes
dmc version               : 1.4
guc fw loaded             : SUCCESS
guc version wanted        : 10.56
guc version found         : 10.56
huc fw loaded             : yes

======================================
             kernel parameters
======================================
quiet drm.debug=0xe pci=pcie_bus_safe i915.alpha_support=1 i915.enable_guc_loading=2 i915.enable_guc_submission=2 intel_iommu=igfx_off auto panic=1 nmi_watchdog=panic resume=/dev/sda3 fastboot
Comment 10 Jari Tahvanainen 2017-10-02 09:37:50 UTC
High as not being BAT...
Comment 11 Marta Löfstedt 2017-10-02 13:45:14 UTC
The pattern with e1000e related incompletes for KBL-shards has stopped since 4.14.-0-rc2.
Comment 13 Marta Löfstedt 2017-10-18 09:57:46 UTC
CI_DRM_3253 GLK-shards dmesg-fail:

(drv_suspend:2655) igt-core-WARNING: [cmd] rtcwake: write error
(drv_suspend:2655) igt-aux-CRITICAL: Test assertion failure function suspend_via_rtcwake, file igt_aux.c:809:
(drv_suspend:2655) igt-aux-CRITICAL: Failed assertion: ret == 0
(drv_suspend:2655) igt-aux-CRITICAL: rtcwake failed with 1
Check dmesg for further details.

from dmesg:
[  224.209920] [drm:intel_dp_sink_crc [i915]] *ERROR* Panel is unable to calculate any CRC after 6 vblanks

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3253/shard-glkb4/igt@drv_suspend@debugfs-reader-hibernate.html
Comment 14 Marta Löfstedt 2017-10-19 08:25:40 UTC
Also, KBL-shards: igt@kms_flip@vblank-vs-suspend

(kms_flip:1361) igt-core-WARNING: [cmd] rtcwake: [cmd] write error
(kms_flip:1361) igt-aux-CRITICAL: Test assertion failure function suspend_via_rtcwake, file igt_aux.c:809:
(kms_flip:1361) igt-aux-CRITICAL: Failed assertion: ret == 0
(kms_flip:1361) igt-aux-CRITICAL: Last errno: 25, Inappropriate ioctl for device
(kms_flip:1361) igt-aux-CRITICAL: rtcwake failed with 1
Check dmesg for further details.
Subtest vblank-vs-suspend failed.

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3260/shard-kbl7/igt@kms_flip@vblank-vs-suspend.html
Comment 15 Marta Löfstedt 2017-10-20 14:01:06 UTC
(In reply to Marta Löfstedt from comment #8)
> After 4.14.0-rc1 KBL-shards either have the rtcwake failed with 256 or
> incompletes.
> 
> Some incomplete runs with pstore:
> 
> https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3102/shard-kbl4/
> igt@gem_exec_suspend@basic-S4.html
> https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3104/shard-kbl2/
> igt@gem_exec_suspend@basic-S4.html
> https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3108/shard-kbl5/
> igt@gem_exec_suspend@basic-S4.html
> https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3109/shard-kbl5/
> igt@gem_exec_suspend@basic-S4.html
> https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3112/shard-kbl4/
> igt@gem_exec_suspend@basic-S4.html
> https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3116/shard-kbl5/
> igt@gem_exec_suspend@basic-S4.html
> 
> The backtraces are not identical, but they all have:
> "e1000e 0000:00:1f.6 eno1: Detected Hardware Unit Hang:"

To clarify here is a run where don't get incomplete but hit the failure described in the first entry for this bug:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3107/shard-kbl2/igt@drv_suspend@debugfs-reader-hibernate.html

However, I have now discussed with Imre and according to him this bug requires the association with the backtrace that is included in the kernel bugzilla bug and/or? the string "[  680.783120] fstrim          D    0  1612   1611 0x00000004"

Also, the links from the original entry in this bug is dead.
Comment 16 Marta Löfstedt 2017-10-20 14:03:17 UTC
Also, comments 11 to 14 are referring to results where the fstrim issue is not reproduced and should be disregarded.
Comment 17 Marta Löfstedt 2017-10-20 15:31:31 UTC
CI_DRM_3269 APL-shards igt@gem_workarounds@hibernate-resume-fd

<3>[ 1334.253813] PM: Cannot find swap device, try swapon -a.
<3>[ 1334.253856] PM: Cannot get swap writer

(gem_workarounds:6731) igt-core-WARNING: [cmd] rtcwake: write error
(gem_workarounds:6731) igt-aux-CRITICAL: Test assertion failure function suspend_via_rtcwake, file igt_aux.c:809:
(gem_workarounds:6731) igt-aux-CRITICAL: Failed assertion: ret == 0
(gem_workarounds:6731) igt-aux-CRITICAL: rtcwake failed with 1
Check dmesg for further details.
Subtest hibernate-resume-fd failed.

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3269/shard-apl4/igt@gem_workarounds@hibernate-resume-fd.html
Comment 18 Marta Löfstedt 2017-11-01 08:31:16 UTC
The fstrim issue is no longer reproduced I will close this bug.
rtcwake issues related to swap are should be filed on bug 103375
Comment 19 Marta Löfstedt 2018-02-01 07:25:08 UTC
Fstrim issue is back:
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4207/shard-hsw8/igt@drv_suspend@forcewake.html

<6>[  644.741804] Freezing user space processes ... 
<3>[  664.748049] Freezing of tasks failed after 20.006 seconds (1 tasks refusing to freeze, wq_busy=0):
<6>[  664.748077] fstrim          D    0  4613   4612 0x00000004
<4>[  664.748086] Call Trace:
<4>[  664.748092]  ? __schedule+0x3c3/0xaf0
<4>[  664.748096]  ? wait_for_common_io.constprop.2+0xe2/0x180
<4>[  664.748099]  schedule+0x37/0x90
<4>[  664.748101]  schedule_timeout+0x21f/0x520
<4>[  664.748105]  ? trace_hardirqs_on_caller+0xde/0x1c0
<4>[  664.748110]  ? wait_for_common_io.constprop.2+0xe2/0x180
<4>[  664.748112]  io_schedule_timeout+0x14/0x40
<4>[  664.748114]  wait_for_common_io.constprop.2+0x101/0x180
<4>[  664.748117]  ? wake_up_q+0x70/0x70
<4>[  664.748122]  submit_bio_wait+0x4a/0x60
<4>[  664.748127]  blkdev_issue_discard+0x6c/0xb0
<4>[  664.748133]  ? ext4_trim_fs+0x489/0xbe0
<4>[  664.748135]  ext4_trim_fs+0x489/0xbe0
<4>[  664.748145]  ext4_ioctl+0xc7c/0xf10
<4>[  664.748151]  do_vfs_ioctl+0x8a/0x670
<4>[  664.748154]  ? entry_SYSCALL_64_fastpath+0x5/0x8f
<4>[  664.748156]  ? trace_hardirqs_on_caller+0xde/0x1c0
<4>[  664.748160]  SyS_ioctl+0x36/0x70
<4>[  664.748163]  entry_SYSCALL_64_fastpath+0x22/0x8f
<4>[  664.748165] RIP: 0033:0x7fc5d2008587
<4>[  664.748166] RSP: 002b:00007ffd499589c8 EFLAGS: 00000246
Comment 20 Marta Löfstedt 2018-02-01 07:25:47 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4207/shard-hsw2/igt@drv_suspend@sysfs-reader.html

<6>[  600.885325] Freezing user space processes ... 
<3>[  620.893284] Freezing of tasks failed after 20.007 seconds (1 tasks refusing to freeze, wq_busy=0):
<6>[  620.893324] fstrim          D    0  2954   2953 0x00000004
<4>[  620.893337] Call Trace:
<4>[  620.893347]  ? __schedule+0x3c3/0xaf0
<4>[  620.893355]  ? wait_for_common_io.constprop.2+0xe2/0x180
<4>[  620.893359]  schedule+0x37/0x90
<4>[  620.893363]  schedule_timeout+0x21f/0x520
<4>[  620.893369]  ? trace_hardirqs_on_caller+0xde/0x1c0
<4>[  620.893378]  ? wait_for_common_io.constprop.2+0xe2/0x180
<4>[  620.893382]  io_schedule_timeout+0x14/0x40
<4>[  620.893386]  wait_for_common_io.constprop.2+0x101/0x180
<4>[  620.893391]  ? wake_up_q+0x70/0x70
<4>[  620.893400]  submit_bio_wait+0x4a/0x60
<4>[  620.893409]  blkdev_issue_discard+0x6c/0xb0
<4>[  620.893420]  ? ext4_trim_fs+0x489/0xbe0
<4>[  620.893423]  ext4_trim_fs+0x489/0xbe0
<4>[  620.893441]  ext4_ioctl+0xc7c/0xf10
<4>[  620.893451]  do_vfs_ioctl+0x8a/0x670
<4>[  620.893456]  ? entry_SYSCALL_64_fastpath+0x5/0x8f
<4>[  620.893460]  ? trace_hardirqs_on_caller+0xde/0x1c0
<4>[  620.893466]  SyS_ioctl+0x36/0x70
<4>[  620.893472]  entry_SYSCALL_64_fastpath+0x22/0x8f
<4>[  620.893475] RIP: 0033:0x7fe76d208587
<4>[  620.893477] RSP: 002b:00007fffd45fa068 EFLAGS: 00000246
<6>[  620.893492] OOM killer enabled.
<6>[  620.893494] Restarting tasks ... done.
<6>[  620.896660] video LNXVIDEO:00: Restoring backlight state
<6>[  620.896667] PM: suspend exit
Comment 21 Imre Deak 2018-02-01 18:39:38 UTC
Based on the latest comment on

https://bugzilla.kernel.org/show_bug.cgi?id=196691

the proposed solution is to make the trim/discard operation more fine-grained by setting discard_max_bytes. Adding CI people, and changing the component accordingly.
Comment 22 Jani Saarinen 2018-02-15 08:21:46 UTC
CI should be now done, to be followed.
Comment 23 Jani Saarinen 2018-02-15 08:22:05 UTC
Imre, does this setting persist over suspend?
Comment 24 Imre Deak 2018-02-15 15:12:49 UTC
(In reply to Jani Saarinen from comment #23)
> Imre, does this setting persist over suspend?

/sys/block/<dev>/queue/discard_max_bytes ? I would assume it doesn't but you can easily check it by reading out after suspend and comparing it what you have set it to.
Comment 25 Imre Deak 2018-02-15 15:44:01 UTC
(In reply to Imre Deak from comment #24)
> (In reply to Jani Saarinen from comment #23)
> > Imre, does this setting persist over suspend?
> 
> /sys/block/<dev>/queue/discard_max_bytes ? I would assume it doesn't but you

Err, I'd assume it does persist.

> can easily check it by reading out after suspend and comparing it what you
> have set it to.
Comment 26 Marta Löfstedt 2018-02-26 07:18:44 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4297/shard-apl4/igt@drv_suspend@debugfs-reader.html

<3>[  599.936578] Freezing of tasks failed after 20.007 seconds (1 tasks refusing to freeze, wq_busy=0):
<6>[  599.936811] fstrim          D    0  2170   2169 0x00000004
<4>[  599.936836] Call Trace:
<4>[  599.936852]  ? __schedule+0x3c7/0xb00
<4>[  599.936865]  ? wait_for_common_io.constprop.2+0xe2/0x180
<4>[  599.936872]  schedule+0x37/0x90
<4>[  599.936878]  schedule_timeout+0x21d/0x510
<4>[  599.936886]  ? trace_hardirqs_on_caller+0xde/0x1c0
<4>[  599.936940]  ? wait_for_common_io.constprop.2+0xe2/0x180
<4>[  599.936946]  io_schedule_timeout+0x14/0x40
<4>[  599.936953]  wait_for_common_io.constprop.2+0x101/0x180
<4>[  599.936961]  ? wake_up_q+0x70/0x70
<4>[  599.936973]  submit_bio_wait+0x4a/0x60
<4>[  599.936988]  blkdev_issue_discard+0x6c/0xb0
<4>[  599.937005]  ? ext4_trim_fs+0x489/0xbe0
<4>[  599.937009]  ext4_trim_fs+0x489/0xbe0
<4>[  599.937042]  ext4_ioctl+0xc7c/0xf10
<4>[  599.937059]  do_vfs_ioctl+0x8a/0x670
<4>[  599.937065]  ? SyS_newfstat+0x29/0x40
<4>[  599.937074]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
<4>[  599.937083]  SyS_ioctl+0x36/0x70
<4>[  599.937093]  do_syscall_64+0x65/0x1a0
<4>[  599.937101]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
<4>[  599.937108] RIP: 0033:0x7f36ed006587
<4>[  599.937112] RSP: 002b:00007ffe74ab3a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  599.937121] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f36ed006587
<4>[  599.937125] RDX: 00007ffe74ab3a60 RSI: 00000000c0185879 RDI: 0000000000000004
<4>[  599.937129] RBP: 000055fbc4a25f90 R08: 000055fbc4a2c180 R09: 0000000000000000
<4>[  599.937133] R10: 000000000000000a R11: 0000000000000246 R12: 000055fbc4a26800
<4>[  599.937138] R13: 0000000000000000 R14: 00007f36ed71e250 R15: 000055fbc4a26800
<6>[  599.937165] OOM killer enabled.
<6>[  599.937169] Restarting tasks ... done.
Comment 27 Marta Löfstedt 2018-03-01 07:04:25 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3852/shard-hsw1/igt@kms_vblank@pipe-c-ts-continuation-dpms-suspend.html

<7>[  695.011079] [drm:intel_runtime_suspend [i915]] Device suspended
<3>[  695.719398] Freezing of tasks failed after 20.001 seconds (1 tasks refusing to freeze, wq_busy=0):
<6>[  695.719448] fstrim          D    0  3100   3099 0x00000004
<4>[  695.719459] Call Trace:
<4>[  695.719467]  ? __schedule+0x3c7/0xb00
<4>[  695.719475]  ? wait_for_common_io.constprop.2+0xe2/0x180
<4>[  695.719478]  schedule+0x37/0x90
<4>[  695.719483]  schedule_timeout+0x21d/0x510
<4>[  695.719487]  ? trace_hardirqs_on_caller+0xde/0x1c0
<4>[  695.719496]  ? wait_for_common_io.constprop.2+0xe2/0x180
<4>[  695.719500]  io_schedule_timeout+0x14/0x40
<4>[  695.719504]  wait_for_common_io.constprop.2+0x101/0x180
<4>[  695.719509]  ? wake_up_q+0x70/0x70
<4>[  695.719516]  submit_bio_wait+0x4a/0x60
<4>[  695.719526]  blkdev_issue_discard+0x6c/0xb0
<4>[  695.719536]  ? ext4_trim_fs+0x489/0xbe0
<4>[  695.719538]  ext4_trim_fs+0x489/0xbe0
<4>[  695.719558]  ext4_ioctl+0xc7c/0xf10
<4>[  695.719567]  do_vfs_ioctl+0x8a/0x670
<4>[  695.719571]  ? SyS_newfstat+0x29/0x40
<4>[  695.719577]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
<4>[  695.719582]  SyS_ioctl+0x36/0x70
<4>[  695.719588]  do_syscall_64+0x65/0x1a0
<4>[  695.719593]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
<4>[  695.719596] RIP: 0033:0x7fc4502e5587
<4>[  695.719598] RSP: 002b:00007ffdc5d77548 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  695.719603] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc4502e5587
<4>[  695.719605] RDX: 00007ffdc5d77550 RSI: 00000000c0185879 RDI: 0000000000000004
<4>[  695.719608] RBP: 000055e347ebbf90 R08: 000055e347ec2180 R09: 0000000000000000
<4>[  695.719610] R10: 000000000000000a R11: 0000000000000246 R12: 000055e347ebc800
<4>[  695.719612] R13: 0000000000000000 R14: 00007fc4509fd250 R15: 000055e347ebc800
Comment 28 Marta Löfstedt 2018-04-06 06:09:55 UTC
I will close and archive this again since it hasn't been seen since:
IGT_4317: 2018-03-02 / 238 runs ago

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