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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@gem_tiled_swapping@non-threaded - Incomplete - INFO: task gem_tiled_swapp:6686 blocked for more than 60 seconds."
href="https://bugs.freedesktop.org/show_bug.cgi?id=103525">103525</a>
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</tr>
<tr>
<th>Summary</th>
<td>[CI] igt@gem_tiled_swapping@non-threaded - Incomplete - INFO: task gem_tiled_swapp:6686 blocked for more than 60 seconds.
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>marta.lofstedt@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>On CI_DRM_3294 shard-hsw2 igt@gem_tiled_swapping@non-threaded
<14>[ 495.250162] [IGT] gem_tiled_swapping: executing
<3>[ 615.691911] INFO: task gem_tiled_swapp:6686 blocked for more than 60
seconds.
<3>[ 615.691963] Tainted: G U 4.14.0-rc6-CI-CI_DRM_3294+ #1
<3>[ 615.691996] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
<6>[ 615.692033] gem_tiled_swapp D 0 6686 3317 0x00000000
<4>[ 615.692042] Call Trace:
<4>[ 615.692054] __schedule+0x3c3/0xaf0
<4>[ 615.692064] schedule+0x40/0x90
<4>[ 615.692071] io_schedule+0x16/0x40
<4>[ 615.692077] __lock_page+0x10d/0x140
<4>[ 615.692085] ? add_to_page_cache_lru+0xd0/0xd0
<4>[ 615.692094] deferred_split_scan+0x25e/0x2b0
<4>[ 615.692104] shrink_slab.part.17+0x202/0x5e0
<4>[ 615.692118] shrink_node+0x2f7/0x300
<4>[ 615.692129] do_try_to_free_pages+0xc6/0x310
<4>[ 615.692138] try_to_free_pages+0x122/0x330
<4>[ 615.692147] __alloc_pages_nodemask+0x6f9/0x1380
<4>[ 615.692167] ksm_might_need_to_copy+0x84/0x210
<4>[ 615.692176] do_swap_page+0x1c0/0x7f0
<4>[ 615.692185] __handle_mm_fault+0x7ef/0xed0
<4>[ 615.692198] handle_mm_fault+0x156/0x300
<4>[ 615.692204] __get_user_pages+0x10a/0x5c0
<4>[ 615.692210] ? lock_acquire+0xb0/0x200
<4>[ 615.692221] populate_vma_page_range+0x71/0x80
<4>[ 615.692226] __mm_populate+0x97/0x110
<4>[ 615.692233] do_mlock+0xf5/0x230
<4>[ 615.692240] SyS_mlock+0x13/0x20
<4>[ 615.692247] entry_SYSCALL_64_fastpath+0x1c/0xb1
<4>[ 615.692251] RIP: 0033:0x7fdabda9cdc7
<4>[ 615.692254] RSP: 002b:00007ffee3c75e28 EFLAGS: 00000246 ORIG_RAX:
0000000000000095
<4>[ 615.692261] RAX: ffffffffffffffda RBX: ffffffff81491ef3 RCX:
00007fdabda9cdc7
<4>[ 615.692265] RDX: 0000000000000000 RSI: 00000003a9100000 RDI:
00007fd71367c010
<4>[ 615.692268] RBP: ffffc90000707f88 R08: 0000561cce907480 R09:
0000000000000000
<4>[ 615.692271] R10: 0000000000000073 R11: 0000000000000246 R12:
0000000000000000
<4>[ 615.692275] R13: 00007ffee3c75fc0 R14: 0000000000000003 R15:
0000000000001000
<4>[ 615.692282] ? __this_cpu_preempt_check+0x13/0x20
<4>[ 615.692290]
<4>[ 615.692290] Showing all locks held in the system:
<4>[ 615.692305] 2 locks held by khungtaskd/66:
<4>[ 615.692312] #0: (rcu_read_lock){....}, at: [<ffffffff8113f083>]
watchdog+0xa3/0x610
<4>[ 615.692331] #1: (tasklist_lock){.+.+}, at: [<ffffffff810d945d>]
debug_show_all_locks+0x3d/0x1a0
<4>[ 615.692358] 1 lock held by in:imklog/538:
<4>[ 615.692361] #0: (&f->f_pos_lock){+.+.}, at: [<ffffffff81243233>]
__fdget_pos+0x43/0x50
<4>[ 615.692390] 1 lock held by dmesg/3085:
<4>[ 615.692393] #0: (&user->lock){+.+.}, at: [<ffffffff810eefce>]
devkmsg_read+0x3e/0x300
<4>[ 615.692419] 2 locks held by gem_tiled_swapp/6686:
<4>[ 615.692422] #0: (&mm->mmap_sem){++++}, at: [<ffffffff811cbb73>]
__mm_populate+0xc3/0x110
<4>[ 615.692438] #1: (shrinker_rwsem){++++}, at: [<ffffffff811a8dff>]
shrink_slab.part.17+0x4f/0x5e0
<4>[ 615.692456]
<4>[ 615.692459] =============================================
<4>[ 615.692459]
<4>[ 615.692463] NMI backtrace for cpu 5
<4>[ 615.692468] CPU: 5 PID: 66 Comm: khungtaskd Tainted: G U
4.14.0-rc6-CI-CI_DRM_3294+ #1
<4>[ 615.692471] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 615.692474] Call Trace:
<4>[ 615.692481] dump_stack+0x68/0x9f
<4>[ 615.692487] nmi_cpu_backtrace+0xbe/0xc0
<4>[ 615.692495] ? irq_force_complete_move+0xe0/0xe0
<4>[ 615.692499] nmi_trigger_cpumask_backtrace+0xc0/0x100
<4>[ 615.692506] arch_trigger_cpumask_backtrace+0x19/0x20
<4>[ 615.692510] watchdog+0x454/0x610
<4>[ 615.692517] kthread+0x114/0x150
<4>[ 615.692521] ? reset_hung_task_detector+0x20/0x20
<4>[ 615.692525] ? kthread_create_on_node+0x40/0x40
<4>[ 615.692532] ret_from_fork+0x27/0x40
<6>[ 615.692544] Sending NMI from CPU 5 to CPUs 0-4,6-7:
<4>[ 615.692557] NMI backtrace for cpu 1 skipped: idling at pc
0xffffffff819106fe
<4>[ 615.692574] NMI backtrace for cpu 6 skipped: idling at pc
0xffffffff819106fe
<4>[ 615.692578] NMI backtrace for cpu 0 skipped: idling at pc
0xffffffff819106fe
<4>[ 615.692582] NMI backtrace for cpu 2 skipped: idling at pc
0xffffffff819106fe
<4>[ 615.692586] NMI backtrace for cpu 4 skipped: idling at pc
0xffffffff819106fe
<4>[ 615.692591] NMI backtrace for cpu 7 skipped: idling at pc
0xffffffff819106fe
<4>[ 615.692595] NMI backtrace for cpu 3 skipped: idling at pc
0xffffffff819106fe
<0>[ 615.693737] Kernel panic - not syncing: hung_task: blocked tasks
<4>[ 615.693795] CPU: 5 PID: 66 Comm: khungtaskd Tainted: G U
4.14.0-rc6-CI-CI_DRM_3294+ #1
<4>[ 615.693872] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 615.693936] Call Trace:
<4>[ 615.693966] dump_stack+0x68/0x9f
<4>[ 615.694002] panic+0xd4/0x21d
<4>[ 615.694041] watchdog+0x460/0x610
<4>[ 615.694079] kthread+0x114/0x150
<4>[ 615.694111] ? reset_hung_task_detector+0x20/0x20
<4>[ 615.694155] ? kthread_create_on_node+0x40/0x40
<4>[ 615.694200] ret_from_fork+0x27/0x40
<0>[ 615.694959] Kernel Offset: disabled
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3294/shard-hsw2/igt@gem_tiled_swapping@non-threaded.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3294/shard-hsw2/igt@gem_tiled_swapping@non-threaded.html</a></pre>
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