[Bug 103540] [CI][HSW only] igt@* - Incomplete - timeout/system hang

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Jan 2 08:23:09 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=103540

--- Comment #20 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3557/shard-hsw2/igt@kms_frontbuffer_tracking@fbcpsr-modesetfrombusy.html

<14>[  123.880728] [IGT] kms_frontbuffer_tracking: starting subtest
fbcpsr-modesetfrombusy
<14>[  123.880948] [IGT] kms_frontbuffer_tracking: exiting, ret=77
<3>[  123.922867] INFO: task kswapd0:80 blocked for more than 60 seconds.
<3>[  123.922902]       Tainted: G     U           4.15.0-rc4-CI-CI_DRM_3557+
#1
<3>[  123.922912] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
<6>[  123.922924] kswapd0         D    0    80      2 0x80000000
<4>[  123.922927] Call Trace:
<4>[  123.922933]  ? __schedule+0x3c3/0xaf0
<4>[  123.922937]  schedule+0x37/0x90
<4>[  123.922939]  io_schedule+0xd/0x30
<4>[  123.922942]  __lock_page+0x107/0x130
<4>[  123.922945]  ? add_to_page_cache_lru+0xc0/0xc0
<4>[  123.922948]  deferred_split_scan+0x25a/0x2b0
<4>[  123.922953]  shrink_slab.part.17+0x201/0x5d0
<4>[  123.922959]  shrink_node+0x2fd/0x310
<4>[  123.922963]  kswapd+0x31c/0x910
<4>[  123.922970]  kthread+0xfb/0x130
<4>[  123.922971]  ? mem_cgroup_shrink_node+0x300/0x300
<4>[  123.922973]  ? _kthread_create_on_node+0x30/0x30
<4>[  123.922975]  ret_from_fork+0x24/0x30
<4>[  123.922980] 
<4>[  123.922980] Showing all locks held in the system:
<4>[  123.922987] 2 locks held by khungtaskd/67:
<4>[  123.922990]  #0:  (rcu_read_lock){....}, at: [<00000000062ec395>]
watchdog+0x9b/0x5e0
<4>[  123.922996]  #1:  (tasklist_lock){.+.+}, at: [<000000003320a277>]
debug_show_all_locks+0x37/0x190
<4>[  123.923004] 1 lock held by kswapd0/80:
<4>[  123.923005]  #0:  (shrinker_rwsem){++++}, at: [<00000000f7094996>]
shrink_slab.part.17+0x46/0x5d0
<4>[  123.923021] 1 lock held by in:imklog/645:
<4>[  123.923022]  #0:  (&f->f_pos_lock){+.+.}, at: [<000000005f7af38c>]
__fdget_pos+0x3a/0x50
<4>[  123.923044] 1 lock held by dmesg/1081:
<4>[  123.923044]  #0:  (&user->lock){+.+.}, at: [<000000009066b1f6>]
devkmsg_read+0x35/0x2f0
<4>[  123.923051] 
<4>[  123.923052] =============================================
<4>[  123.923052] 
<4>[  123.923053] NMI backtrace for cpu 0
<4>[  123.923055] CPU: 0 PID: 67 Comm: khungtaskd Tainted: G     U          
4.15.0-rc4-CI-CI_DRM_3557+ #1
<4>[  123.923056] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[  123.923057] Call Trace:
<4>[  123.923059]  dump_stack+0x5f/0x86
<4>[  123.923061]  nmi_cpu_backtrace+0xb4/0xc0
<4>[  123.923065]  ? lapic_can_unplug_cpu+0x90/0x90
<4>[  123.923066]  nmi_trigger_cpumask_backtrace+0xb8/0xf0
<4>[  123.923069]  watchdog+0x43e/0x5e0
<4>[  123.923072]  kthread+0xfb/0x130
<4>[  123.923073]  ? reset_hung_task_detector+0x10/0x10
<4>[  123.923074]  ? _kthread_create_on_node+0x30/0x30
<4>[  123.923077]  ret_from_fork+0x24/0x30
<6>[  123.923082] Sending NMI from CPU 0 to CPUs 1-7:
<4>[  123.923087] NMI backtrace for cpu 6
<4>[  123.923098] CPU: 6 PID: 960 Comm: java Tainted: G     U          
4.15.0-rc4-CI-CI_DRM_3557+ #1
<4>[  123.923098] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[  123.923100] RIP: 0010:lock_acquire+0xc4/0x200
<4>[  123.923101] RSP: 0018:ffffc90000a17d40 EFLAGS: 00000086
<4>[  123.923102] RAX: ffff8804016e4f40 RBX: 0000000000000086 RCX:
99d2db9e00000000
<4>[  123.923102] RDX: 0000000000000001 RSI: 00000000ef4af4e7 RDI:
0000000000000000
<4>[  123.923103] RBP: 0000000000000000 R08: ffff8804016e5818 R09:
00000000e0c4a53a
<4>[  123.923103] R10: ffffc90000a17d40 R11: ffffffff810d0e42 R12:
0000000000000000
<4>[  123.923104] R13: 0000000000000002 R14: 0000000000000000 R15:
0000000000000000
<4>[  123.923104] FS:  00007f338b5f5700(0000) GS:ffff88041fb80000(0000)
knlGS:0000000000000000
<4>[  123.923105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  123.923105] CR2: 00007f33a95dc000 CR3: 00000003fccfb006 CR4:
00000000001606e0
<4>[  123.923106] Call Trace:
<4>[  123.923108]  ? cpuacct_charge+0x32/0x1f0
<4>[  123.923109]  cpuacct_charge+0x5b/0x1f0
<4>[  123.923110]  ? cpuacct_charge+0x32/0x1f0
<4>[  123.923112]  update_curr+0x17b/0x460
<4>[  123.923113]  pick_next_task_fair+0xa9/0x8a0
<4>[  123.923116]  __schedule+0x123/0xaf0
<4>[  123.923117]  schedule+0x37/0x90
<4>[  123.923118]  sys_sched_yield+0x8c/0xa0
<4>[  123.923120]  entry_SYSCALL_64_fastpath+0x1c/0x89
<4>[  123.923121] RIP: 0033:0x7f33a9d1f0a7
<4>[  123.923121] RSP: 002b:00007f338b5f4c78 EFLAGS: 00000293 ORIG_RAX:
0000000000000018
<4>[  123.923122] RAX: ffffffffffffffda RBX: 00007f3320014800 RCX:
00007f33a9d1f0a7
<4>[  123.923122] RDX: 00007f33a95a0170 RSI: 00007f3391005300 RDI:
0000000003885b5a
<4>[  123.923123] RBP: 00007f338b5f4d00 R08: 0000000000000000 R09:
00007f33a95df800
<4>[  123.923123] R10: 0000000000000001 R11: 0000000000000293 R12:
00007f332000f2d0
<4>[  123.923124] R13: 0000000003883ac3 R14: 0000000000000002 R15:
0000000003883ac2
<4>[  123.923125] Code: 49 89 d9 89 ee 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8
41 dd ff ff 65 48 8b 04 25 80 c5 00 00 c7 80 ac 08 00 00 00 00 00 00 53 9d <48>
83 c4 20 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f f3 c3 65 
<4>[  123.923141] NMI backtrace for cpu 2 skipped: idling at
intel_idle+0x6f/0x120
<4>[  123.923143] NMI backtrace for cpu 5
<4>[  123.923144] CPU: 5 PID: 200 Comm: jbd2/sda2-8 Tainted: G     U          
4.15.0-rc4-CI-CI_DRM_3557+ #1
<4>[  123.923144] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[  123.923147] RIP: 0010:jbd2_journal_commit_transaction+0x12e6/0x1f40
<4>[  123.923148] RSP: 0018:ffffc90000333d00 EFLAGS: 00000282
<4>[  123.923149] RAX: 0000000000000000 RBX: ffff8803e5bd9bd0 RCX:
0000000000000002
<4>[  123.923149] RDX: ffff8803e5bd9b88 RSI: ffffc90000333cd0 RDI:
ffffffff81e07c38
<4>[  123.923150] RBP: ffffc90000333e90 R08: 0000000000000001 R09:
0000000000000001
<4>[  123.923150] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000000
<4>[  123.923150] R13: ffff8803e5bd9b88 R14: ffff88040a980008 R15:
ffff880400400b40
<4>[  123.923151] FS:  0000000000000000(0000) GS:ffff88041fb40000(0000)
knlGS:0000000000000000
<4>[  123.923152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  123.923152] CR2: 00007f4da7afe080 CR3: 0000000003e0f004 CR4:
00000000001606e0
<4>[  123.923153] Call Trace:
<4>[  123.923157]  ? kjournald2+0xb4/0x270
<4>[  123.923158]  kjournald2+0xb4/0x270
<4>[  123.923160]  ? wait_woken+0x90/0x90
<4>[  123.923161]  kthread+0xfb/0x130
<4>[  123.923163]  ? commit_timeout+0x10/0x10
<4>[  123.923163]  ? _kthread_create_on_node+0x30/0x30
<4>[  123.923165]  ret_from_fork+0x24/0x30
<4>[  123.923166] Code: 81 e8 4f 5b dc ff 48 8b 43 b8 4c 8d 6b b8 a8 04 0f 84
6f ff ff ff 4c 89 ef e8 27 98 f5 ff e9 62 ff ff ff 4c 89 ef e8 1a 98 f5 ff <e9>
93 fe ff ff 0f 0b 0f 0b 89 c6 4c 89 f7 e8 e7 66 00 00 e9 20 
<4>[  123.923182] NMI backtrace for cpu 1 skipped: idling at
intel_idle+0x6f/0x120
<4>[  123.923184] NMI backtrace for cpu 4 skipped: idling at
intel_idle+0x6f/0x120
<4>[  123.923187] NMI backtrace for cpu 7 skipped: idling at
intel_idle+0x6f/0x120
<4>[  123.923188] NMI backtrace for cpu 3 skipped: idling at
intel_idle+0x6f/0x120
<0>[  123.924088] Kernel panic - not syncing: hung_task: blocked tasks
<4>[  123.924099] CPU: 0 PID: 67 Comm: khungtaskd Tainted: G     U          
4.15.0-rc4-CI-CI_DRM_3557+ #1
<4>[  123.924112] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[  123.924123] Call Trace:
<4>[  123.924129]  dump_stack+0x5f/0x86
<4>[  123.924136]  panic+0xcf/0x20d
<4>[  123.924145]  watchdog+0x44a/0x5e0
<4>[  123.924153]  kthread+0xfb/0x130
<4>[  123.924159]  ? reset_hung_task_detector+0x10/0x10
<4>[  123.924166]  ? _kthread_create_on_node+0x30/0x30
<4>[  123.924175]  ret_from_fork+0x24/0x30
<0>[  123.924426] Dumping ftrace buffer:
<0>[  123.924485]    (ftrace buffer empty)
<0>[  123.924492] Kernel Offset: disabled

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