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Message-ID: <ccafdbaf-7f8e-8616-5543-2a178bd63828@ristioja.ee>
Date: Tue, 24 Sep 2019 12:12:16 +0300
From: Jaak Ristioja <jaak@...tioja.ee>
To: Gerd Hoffmann <kraxel@...hat.com>
Cc: Dave Airlie <airlied@...hat.com>, David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
virtualization@...ts.linux-foundation.org,
spice-devel@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: Re: Xorg indefinitely hangs in kernelspace
On 05.09.19 15:34, Jaak Ristioja wrote:
> On 05.09.19 10:14, Gerd Hoffmann wrote:
>> On Tue, Aug 06, 2019 at 09:00:10PM +0300, Jaak Ristioja wrote:
>>> Hello!
>>>
>>> I'm writing to report a crash in the QXL / DRM code in the Linux kernel.
>>> I originally filed the issue on LaunchPad and more details can be found
>>> there, although I doubt whether these details are useful.
>>
>> Any change with kernel 5.3-rc7 ?
>
> Didn't try. Did you change something? I could try, but I've done so
> before and every time this bug manifests itself with MAJOR.MINOR-rc# I
> get asked to try version MAJOR.(MINOR+1)-rc# so I guess I could as well
> give up?
>
> Alright, I'll install 5.3-rc7, but once more it might take some time for
> this bug to expose itself.
Just got the issue with 5.3.0-050300rc7-generic:
[124212.547403] INFO: task Xorg:797 blocked for more than 120 seconds.
[124212.548639] Not tainted 5.3.0-050300rc7-generic #201909021831
[124212.549839] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[124212.547403] INFO: task Xorg:797 blocked for more than 120 seconds.
[124212.548639] Not tainted 5.3.0-050300rc7-generic #201909021831
[124212.549839] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[124212.551329] Xorg D 0 797 773 0x00404004
[124212.551331] Call Trace:
[124212.551336] __schedule+0x2b9/0x6c0
[124212.551337] schedule+0x42/0xb0
[124212.551338] schedule_preempt_disabled+0xe/0x10
[124212.551340] __ww_mutex_lock.isra.0+0x261/0x7f0
[124212.551345] ? ttm_bo_init+0x6b/0x100 [ttm]
[124212.551346] __ww_mutex_lock_slowpath+0x16/0x20
[124212.551347] ww_mutex_lock+0x38/0x90
[124212.551352] ttm_eu_reserve_buffers+0x1cc/0x2f0 [ttm]
[124212.551371] qxl_release_reserve_list+0x6d/0x150 [qxl]
[124212.551373] ? qxl_bo_pin+0xf4/0x190 [qxl]
[124212.551375] qxl_cursor_atomic_update+0x1ab/0x2e0 [qxl]
[124212.551376] ? qxl_bo_pin+0xf4/0x190 [qxl]
[124212.551384] drm_atomic_helper_commit_planes+0xd5/0x220 [drm_kms_helper]
[124212.551388] drm_atomic_helper_commit_tail+0x2c/0x70 [drm_kms_helper]
[124212.551392] commit_tail+0x68/0x70 [drm_kms_helper]
[124212.551395] drm_atomic_helper_commit+0x118/0x120 [drm_kms_helper]
[124212.551407] drm_atomic_commit+0x4a/0x50 [drm]
[124212.551411] drm_atomic_helper_update_plane+0xea/0x100 [drm_kms_helper]
[124212.551418] __setplane_atomic+0xcb/0x110 [drm]
[124212.551428] drm_mode_cursor_universal+0x140/0x260 [drm]
[124212.551435] drm_mode_cursor_common+0xcc/0x220 [drm]
[124212.551441] ? drm_mode_cursor_ioctl+0x60/0x60 [drm]
[124212.551447] drm_mode_cursor2_ioctl+0xe/0x10 [drm]
[124212.551452] drm_ioctl_kernel+0xae/0xf0 [drm]
[124212.551458] drm_ioctl+0x234/0x3d0 [drm]
[124212.551464] ? drm_mode_cursor_ioctl+0x60/0x60 [drm]
[124212.551466] ? timerqueue_add+0x5f/0xa0
[124212.551469] ? enqueue_hrtimer+0x3d/0x90
[124212.551471] do_vfs_ioctl+0x407/0x670
[124212.551473] ? fput+0x13/0x20
[124212.551475] ? __sys_recvmsg+0x88/0xa0
[124212.551476] ksys_ioctl+0x67/0x90
[124212.551477] __x64_sys_ioctl+0x1a/0x20
[124212.551479] do_syscall_64+0x5a/0x130
[124212.551480] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[124212.551481] RIP: 0033:0x7f07c79ee417
[124212.551485] Code: Bad RIP value.
[124212.551485] RSP: 002b:00007ffc6b1de1a8 EFLAGS: 00003246 ORIG_RAX:
0000000000000010
[124212.551486] RAX: ffffffffffffffda RBX: 00005612f109a610 RCX:
00007f07c79ee417
[124212.551487] RDX: 00007ffc6b1de1e0 RSI: 00000000c02464bb RDI:
000000000000000e
[124212.551487] RBP: 00007ffc6b1de1e0 R08: 0000000000000040 R09:
0000000000000004
[124212.551488] R10: 000000000000003f R11: 0000000000003246 R12:
00000000c02464bb
[124212.551488] R13: 000000000000000e R14: 0000000000000000 R15:
00005612f10981d0
[124333.376328] INFO: task Xorg:797 blocked for more than 241 seconds.
[124333.377474] Not tainted 5.3.0-050300rc7-generic #201909021831
[124333.378609] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[124333.376328] INFO: task Xorg:797 blocked for more than 241 seconds.
[124333.377474] Not tainted 5.3.0-050300rc7-generic #201909021831
[124333.378609] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[124333.380060] Xorg D 0 797 773 0x00404004
[124333.380062] Call Trace:
[124333.380067] __schedule+0x2b9/0x6c0
[124333.380068] schedule+0x42/0xb0
[124333.380069] schedule_preempt_disabled+0xe/0x10
[124333.380070] __ww_mutex_lock.isra.0+0x261/0x7f0
[124333.380076] ? ttm_bo_init+0x6b/0x100 [ttm]
[124333.380077] __ww_mutex_lock_slowpath+0x16/0x20
[124333.380077] ww_mutex_lock+0x38/0x90
[124333.380080] ttm_eu_reserve_buffers+0x1cc/0x2f0 [ttm]
[124333.380083] qxl_release_reserve_list+0x6d/0x150 [qxl]
[124333.380085] ? qxl_bo_pin+0xf4/0x190 [qxl]
[124333.380087] qxl_cursor_atomic_update+0x1ab/0x2e0 [qxl]
[124333.380088] ? qxl_bo_pin+0xf4/0x190 [qxl]
[124333.380096] drm_atomic_helper_commit_planes+0xd5/0x220 [drm_kms_helper]
[124333.380101] drm_atomic_helper_commit_tail+0x2c/0x70 [drm_kms_helper]
[124333.380105] commit_tail+0x68/0x70 [drm_kms_helper]
[124333.380109] drm_atomic_helper_commit+0x118/0x120 [drm_kms_helper]
[124333.380128] drm_atomic_commit+0x4a/0x50 [drm]
[124333.380132] drm_atomic_helper_update_plane+0xea/0x100 [drm_kms_helper]
[124333.380140] __setplane_atomic+0xcb/0x110 [drm]
[124333.380147] drm_mode_cursor_universal+0x140/0x260 [drm]
[124333.380153] drm_mode_cursor_common+0xcc/0x220 [drm]
[124333.380160] ? drm_mode_cursor_ioctl+0x60/0x60 [drm]
[124333.380166] drm_mode_cursor2_ioctl+0xe/0x10 [drm]
[124333.380171] drm_ioctl_kernel+0xae/0xf0 [drm]
[124333.380176] drm_ioctl+0x234/0x3d0 [drm]
[124333.380182] ? drm_mode_cursor_ioctl+0x60/0x60 [drm]
[124333.380184] ? timerqueue_add+0x5f/0xa0
[124333.380186] ? enqueue_hrtimer+0x3d/0x90
[124333.380188] do_vfs_ioctl+0x407/0x670
[124333.380190] ? fput+0x13/0x20
[124333.380192] ? __sys_recvmsg+0x88/0xa0
[124333.380193] ksys_ioctl+0x67/0x90
[124333.380194] __x64_sys_ioctl+0x1a/0x20
[124333.380195] do_syscall_64+0x5a/0x130
[124333.380197] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[124333.380198] RIP: 0033:0x7f07c79ee417
[124333.380202] Code: Bad RIP value.
[124333.380203] RSP: 002b:00007ffc6b1de1a8 EFLAGS: 00003246 ORIG_RAX:
0000000000000010
[124333.380204] RAX: ffffffffffffffda RBX: 00005612f109a610 RCX:
00007f07c79ee417
[124333.380204] RDX: 00007ffc6b1de1e0 RSI: 00000000c02464bb RDI:
000000000000000e
[124333.380205] RBP: 00007ffc6b1de1e0 R08: 0000000000000040 R09:
0000000000000004
[124333.380205] R10: 000000000000003f R11: 0000000000003246 R12:
00000000c02464bb
[124333.380206] R13: 000000000000000e R14: 0000000000000000 R15:
00005612f10981d0
Best regards,
J
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