<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@gem_exec_suspend@basic-s4-devices - incomplete - INFO: task dmesg:1072 blocked for more than 60 seconds"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104874">104874</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI] igt@gem_exec_suspend@basic-s4-devices - incomplete - INFO: task dmesg:1072 blocked for more than 60 seconds
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg 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><a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3701/shard-hsw4/igt@gem_exec_suspend@basic-s4-devices.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3701/shard-hsw4/igt@gem_exec_suspend@basic-s4-devices.html</a>
<3>[ 431.276629] INFO: task dmesg:1072 blocked for more than 60 seconds.
<3>[ 431.276701] Tainted: G U W 4.15.0-CI-CI_DRM_3701+ #1
<3>[ 431.276753] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
<6>[ 431.276814] dmesg D 0 1072 995 0x00000000
<4>[ 431.276828] Call Trace:
<4>[ 431.276853] ? __schedule+0x3c3/0xaf0
<4>[ 431.276871] ? bit_wait+0x50/0x50
<4>[ 431.276884] schedule+0x37/0x90
<4>[ 431.276896] io_schedule+0xd/0x30
<4>[ 431.276906] bit_wait_io+0x8/0x50
<4>[ 431.276916] __wait_on_bit+0x4e/0x80
<4>[ 431.276931] out_of_line_wait_on_bit+0x78/0x80
<4>[ 431.276943] ? bit_waitqueue+0x30/0x30
<4>[ 431.276956] do_get_write_access+0x1f4/0x660
<4>[ 431.276975] ? ext4_dirty_inode+0x3e/0x60
<4>[ 431.276984] jbd2_journal_get_write_access+0x27/0x50
<4>[ 431.276996] __ext4_journal_get_write_access+0x5e/0xb0
<4>[ 431.277009] ext4_reserve_inode_write+0x88/0xb0
<4>[ 431.277021] ext4_mark_inode_dirty+0x63/0x270
<4>[ 431.277031] ? rcu_read_lock_sched_held+0x6f/0x80
<4>[ 431.277047] ext4_dirty_inode+0x3e/0x60
<4>[ 431.277058] __mark_inode_dirty+0x67/0x690
<4>[ 431.277073] generic_update_time+0x73/0xc0
<4>[ 431.277082] ? current_time+0x2d/0x60
<4>[ 431.277094] file_update_time+0x90/0xe0
<4>[ 431.277111] __generic_file_write_iter+0x94/0x1b0
<4>[ 431.277129] ext4_file_write_iter+0x10f/0x3a0
<4>[ 431.277144] ? lock_acquire+0xaf/0x200
<4>[ 431.277160] __vfs_write+0xc5/0x130
<4>[ 431.277180] vfs_write+0xbd/0x1b0
<4>[ 431.277192] SyS_write+0x40/0xa0
<4>[ 431.277207] entry_SYSCALL_64_fastpath+0x22/0x8f
<4>[ 431.277215] RIP: 0033:0x7f1ea54f88f0
<4>[ 431.277221] RSP: 002b:00007ffe26a7fc78 EFLAGS: 00000246
<4>[ 431.277247]
<4>[ 431.277247] Showing all locks held in the system:
<4>[ 431.277269] 2 locks held by khungtaskd/67:
<4>[ 431.277280] #0: (rcu_read_lock){....}, at: [<00000000319d6f30>]
watchdog+0x9b/0x5e0
<4>[ 431.277312] #1: (tasklist_lock){.+.+}, at: [<0000000007d1d642>]
debug_show_all_locks+0x37/0x1a0
<4>[ 431.277353] 1 lock held by systemd-udevd/250:
<4>[ 431.277357] #0: (&type->i_mutex_dir_key){++++}, at:
[<0000000077ad1826>] lookup_slow+0xaf/0x1b0
<4>[ 431.277393] 1 lock held by in:imklog/575:
<4>[ 431.277398] #0: (&f->f_pos_lock){+.+.}, at: [<00000000b20b5414>]
__fdget_pos+0x3a/0x50
<4>[ 431.277431] 2 locks held by NetworkManager/665:
<4>[ 431.277436] #0: (sb_writers#3){.+.+}, at: [<00000000a50e88f8>]
mnt_want_write+0x1b/0x50
<4>[ 431.277466] #1: (&type->i_mutex_dir_key/1){+.+.}, at:
[<00000000e3fb6276>] do_unlinkat+0x107/0x2d0
<4>[ 431.277575] 3 locks held by dmesg/1072:
<4>[ 431.277580] #0: (sb_writers#3){.+.+}, at: [<000000004d6f3c87>]
vfs_write+0x158/0x1b0
<4>[ 431.277619] #1: (&sb->s_type->i_mutex_key#14){+.+.}, at:
[<00000000d9faa4ef>] ext4_file_write_iter+0x64/0x3a0
<4>[ 431.277668] #2: (jbd2_handle){++++}, at: [<000000003cfde8e9>]
start_this_handle+0xff/0x440
<4>[ 431.277709] 3 locks held by python3/1301:
<4>[ 431.277715] #0: (sb_writers#3){.+.+}, at: [<00000000a50e88f8>]
mnt_want_write+0x1b/0x50
<4>[ 431.277758] #1: (&type->i_mutex_dir_key){++++}, at:
[<000000002af914c9>] path_openat+0x440/0x9d0
<4>[ 431.277794] #2: (jbd2_handle){++++}, at: [<000000003cfde8e9>]
start_this_handle+0xff/0x440
<4>[ 431.277847] 4 locks held by kworker/u16:60/3002:
<4>[ 431.277852] #0: ((wq_completion)"writeback"){+.+.}, at:
[<00000000d741bf6b>] process_one_work+0x191/0x640
<4>[ 431.277882] #1: ((work_completion)(&(&wb->dwork)->work)){+.+.}, at:
[<00000000d741bf6b>] process_one_work+0x191/0x640
<4>[ 431.277909] #2: (&type->s_umount_key#33){++++}, at:
[<000000000bde5a54>] trylock_super+0x11/0x50
<4>[ 431.277941] #3: (&sbi->s_journal_flag_rwsem){.+.+}, at:
[<000000007cf99b19>] do_writepages+0x1b/0x70
<4>[ 431.277973] 2 locks held by cron/3012:
<4>[ 431.277978] #0: (sb_writers#3){.+.+}, at: [<00000000a50e88f8>]
mnt_want_write+0x1b/0x50
<4>[ 431.278007] #1: (&type->i_mutex_dir_key){++++}, at:
[<000000002af914c9>] path_openat+0x440/0x9d0
<4>[ 431.278034]
<4>[ 431.278040] =============================================
<4>[ 431.278040]
<4>[ 431.278047] NMI backtrace for cpu 5
<4>[ 431.278058] CPU: 5 PID: 67 Comm: khungtaskd Tainted: G U W
4.15.0-CI-CI_DRM_3701+ #1
<4>[ 431.278067] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 431.278074] Call Trace:
<4>[ 431.278089] dump_stack+0x5f/0x86
<4>[ 431.278104] nmi_cpu_backtrace+0xb4/0xc0
<4>[ 431.278121] ? lapic_can_unplug_cpu+0x90/0x90
<4>[ 431.278134] nmi_trigger_cpumask_backtrace+0xb8/0xf0
<4>[ 431.278148] watchdog+0x43e/0x5e0
<4>[ 431.278165] kthread+0xfb/0x130
<4>[ 431.278173] ? reset_hung_task_detector+0x10/0x10
<4>[ 431.278180] ? _kthread_create_on_node+0x30/0x30
<4>[ 431.278193] ret_from_fork+0x3a/0x50
<6>[ 431.278223] Sending NMI from CPU 5 to CPUs 0-4,6-7:
<4>[ 431.278240] NMI backtrace for cpu 2
<4>[ 431.278247] CPU: 2 PID: 228 Comm: systemd-journal Tainted: G U W
4.15.0-CI-CI_DRM_3701+ #1
<4>[ 431.278250] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 431.278262] RIP: 0010:debug_check_no_locks_freed+0xa9/0x140
<4>[ 431.278265] RSP: 0018:ffffc900003bfe88 EFLAGS: 00000002
<4>[ 431.278270] RAX: 0000000000000000 RBX: ffff8804057a9200 RCX:
0000000000d20c83
<4>[ 431.278272] RDX: 0000000000000000 RSI: ffffffff821087b1 RDI:
ffffffff811deecb
<4>[ 431.278275] RBP: ffff8804057a9200 R08: 0000000000000000 R09:
0000000000000001
<4>[ 431.278277] R10: 0000000000000000 R11: 0000000000000001 R12:
0000000000001000
<4>[ 431.278280] R13: 0000000000000002 R14: ffff88040c9c27c0 R15:
0000559475442bf0
<4>[ 431.278284] FS: 00007fc2694428c0(0000) GS:ffff88041fa80000(0000)
knlGS:0000000000000000
<4>[ 431.278286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 431.278289] CR2: 00007fc2640fa008 CR3: 00000004099c8005 CR4:
00000000001606e0
<4>[ 431.278291] Call Trace:
<4>[ 431.278303] ? do_sys_open+0x197/0x1f0
<4>[ 431.278309] kmem_cache_free+0x8b/0x320
<4>[ 431.278317] do_sys_open+0x197/0x1f0
<4>[ 431.278326] do_syscall_64+0x59/0x1a0
<4>[ 431.278333] entry_SYSCALL64_slow_path+0x25/0x25
<4>[ 431.278337] RIP: 0033:0x7fc2689f7d70
<4>[ 431.278339] RSP: 002b:00007fff979ff788 EFLAGS: 00000246 ORIG_RAX:
0000000000000002
<4>[ 431.278344] RAX: ffffffffffffffda RBX: 00007fff979ffa90 RCX:
00007fc2689f7d70
<4>[ 431.278346] RDX: 00000000000001a0 RSI: 0000000000080042 RDI:
0000559475442dd0
<4>[ 431.278349] RBP: 000000000000000d R08: 00000000000001c0 R09:
00000000ffffffff
<4>[ 431.278351] R10: 00007fc2689e1b58 R11: 0000000000000246 R12:
00000000ffffffff
<4>[ 431.278354] R13: 000055947542c040 R14: 00007fff979ffa50 R15:
0000559475442bf0
<4>[ 431.278361] Code: 85 c0 74 34 41 f7 c5 00 02 00 00 74 16 48 8b 7c 24 28
e8 1b fc ff ff 41 55 9d 5b 5d 41 5c 41 5d 41 5e c3 41 55 9d 48 8b 7c 24 28 <5b>
5d 41 5c 41 5d 41 5e e9 0a cc ff ff 48 c7 c7 44 6e 07 82 e8
<4>[ 431.278445] NMI backtrace for cpu 6 skipped: idling at
intel_idle+0x6f/0x120
<4>[ 431.278451] NMI backtrace for cpu 3
<4>[ 431.278459] CPU: 3 PID: 576 Comm: rs:main Q:Reg Tainted: G U W
4.15.0-CI-CI_DRM_3701+ #1
<4>[ 431.278461] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 431.278471] RIP: 0010:lock_release+0x134/0x300
<4>[ 431.278474] RSP: 0018:ffffc900004df9c0 EFLAGS: 00000046
<4>[ 431.278479] RAX: ffff880406f0cf40 RBX: ffff880406f0cf40 RCX:
1028129d00000000
<4>[ 431.278481] RDX: 0000000000000003 RSI: 000000004e9f6afb RDI:
0000000000000000
<4>[ 431.278484] RBP: ffffffff822464a0 R08: ffff880406f0d840 R09:
000000004fa73c86
<4>[ 431.278487] R10: 0000000000000000 R11: ffffffff81138170 R12:
ffffffff811381fd
<4>[ 431.278489] R13: 0000000000000082 R14: 0000000000000003 R15:
ffff88040ae420c0
<4>[ 431.278495] FS: 00007f359b41e700(0000) GS:ffff88041fac0000(0000)
knlGS:0000000000000000
<4>[ 431.278499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 431.278503] CR2: 00007fc3d5ad8ed8 CR3: 0000000409a5c001 CR4:
00000000001606e0
<4>[ 431.278505] Call Trace:
<4>[ 431.278517] __is_insn_slot_addr+0xaa/0x120
<4>[ 431.278524] kernel_text_address+0xab/0xd0
<4>[ 431.278534] ? unwind_next_frame+0x42f/0x6b0
<4>[ 431.278539] __kernel_text_address+0x9/0x30
<4>[ 431.278546] unwind_get_return_address+0x16/0x30
<4>[ 431.278552] __save_stack_trace+0x7e/0xd0
<4>[ 431.278563] ? jbd2__journal_start+0x69/0x2b0
<4>[ 431.278569] ? jbd2__journal_start+0x69/0x2b0
<4>[ 431.278574] set_track+0x5c/0x120
<4>[ 431.278581] alloc_debug_processing+0x156/0x1a0
<4>[ 431.278588] ___slab_alloc.constprop.30+0x3a8/0x3d0
<4>[ 431.278594] ? jbd2__journal_start+0x69/0x2b0
<4>[ 431.278602] ? lock_acquire+0xaf/0x200
<4>[ 431.278610] ? __lock_acquire+0x4ab/0x1b60
<4>[ 431.278617] ? jbd2__journal_start+0x69/0x2b0
<4>[ 431.278623] ? __slab_alloc.isra.24.constprop.29+0x3d/0x70
<4>[ 431.278627] __slab_alloc.isra.24.constprop.29+0x3d/0x70
<4>[ 431.278633] ? jbd2__journal_start+0x69/0x2b0
<4>[ 431.278638] kmem_cache_alloc+0x21a/0x2b0
<4>[ 431.278645] jbd2__journal_start+0x69/0x2b0
<4>[ 431.278653] ext4_dirty_inode+0x28/0x60
<4>[ 431.278659] __mark_inode_dirty+0x67/0x690
<4>[ 431.278667] generic_update_time+0x73/0xc0
<4>[ 431.278672] ? current_time+0x2d/0x60
<4>[ 431.278678] file_update_time+0x90/0xe0
<4>[ 431.278687] __generic_file_write_iter+0x94/0x1b0
<4>[ 431.278696] ext4_file_write_iter+0x10f/0x3a0
<4>[ 431.278703] ? lock_acquire+0xaf/0x200
<4>[ 431.278709] __vfs_write+0xc5/0x130
<4>[ 431.278717] vfs_write+0xbd/0x1b0
<4>[ 431.278722] SyS_write+0x40/0xa0
<4>[ 431.278730] entry_SYSCALL_64_fastpath+0x22/0x8f
<4>[ 431.278737] RIP: 0033:0x7f359e06b68d
<4>[ 431.278740] RSP: 002b:00007f359b41d5c0 EFLAGS: 00000293
<4>[ 431.278747] Code: 85 d2 0f 84 f4 00 00 00 65 48 8b 3c 25 80 4e 01 00 e8
a1 a4 ff ff 65 48 8b 04 25 80 4e 01 00 c7 80 ac 08 00 00 00 00 00 00 41 55 <9d>
48 83 c4 10 5b 5d 41 5c 41 5d 41 5e f3 c3 65 8b 05 16 5b f3
<4>[ 431.278826] NMI backtrace for cpu 4
<4>[ 431.278832] CPU: 4 PID: 575 Comm: in:imklog Tainted: G U W
4.15.0-CI-CI_DRM_3701+ #1
<4>[ 431.278834] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 431.278843] RIP: 0010:preempt_count_sub+0x0/0x90
<4>[ 431.278846] RSP: 0018:ffffc900005cfd30 EFLAGS: 00000246
<4>[ 431.278851] RAX: ffff880406f08040 RBX: 0000000000000246 RCX:
0000000000000006
<4>[ 431.278853] RDX: 0000000000000ec4 RSI: ffffffff821087b1 RDI:
0000000000000001
<4>[ 431.278856] RBP: ffffffff8379cd88 R08: ffff880406f088f0 R09:
000000003638e619
<4>[ 431.278859] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8803f85a13f8
<4>[ 431.278864] R13: ffffffff8379cd80 R14: 0000000000000001 R15:
ffffffff8379cd88
<4>[ 431.278868] FS: 00007f359bc1f700(0000) GS:ffff88041fb00000(0000)
knlGS:0000000000000000
<4>[ 431.278872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 431.278876] CR2: 00007fc3d5ade080 CR3: 0000000409a5c001 CR4:
00000000001606e0
<4>[ 431.278879] Call Trace:
<4>[ 431.278887] _raw_spin_unlock_irqrestore+0x39/0x60
<4>[ 431.278896] debug_check_no_obj_freed+0x11f/0x230
<4>[ 431.278905] ? mark_held_locks+0x64/0x90
<4>[ 431.278911] ? do_syslog+0x450/0x4f0
<4>[ 431.278917] kfree+0x1bd/0x2d0
<4>[ 431.278923] do_syslog+0x450/0x4f0
<4>[ 431.278933] kmsg_read+0x39/0x50
<4>[ 431.278941] proc_reg_read+0x38/0x60
<4>[ 431.278946] __vfs_read+0x1e/0x120
<4>[ 431.278954] vfs_read+0x9e/0x150
<4>[ 431.278960] SyS_read+0x40/0xa0
<4>[ 431.278968] entry_SYSCALL_64_fastpath+0x22/0x8f
<4>[ 431.278972] RIP: 0033:0x7f359e06b6ed
<4>[ 431.278975] RSP: 002b:00007f359bbfe580 EFLAGS: 00000293
<4>[ 431.278983] Code: 80 02 00 00 48 89 83 88 02 00 00 8b 05 9e b2 19 01 89
83 a0 02 00 00 31 c0 66 89 83 a4 02 00 00 5b 5d c3 0f 1f 84 00 00 00 00 00 <8b>
0d 72 56 5c 02 85 c9 75 1b 65 8b 15 7f d5 f6 7e 89 d1 81 e1
<4>[ 431.279071] NMI backtrace for cpu 7 skipped: idling at
intel_idle+0x6f/0x120
<4>[ 431.279082] NMI backtrace for cpu 0 skipped: idling at
intel_idle+0x6f/0x120
<4>[ 431.279092] NMI backtrace for cpu 1 skipped: idling at
intel_idle+0x6f/0x120
<0>[ 431.279248] Kernel panic - not syncing: hung_task: blocked tasks
<4>[ 431.279304] CPU: 5 PID: 67 Comm: khungtaskd Tainted: G U W
4.15.0-CI-CI_DRM_3701+ #1
<4>[ 431.279373] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 431.279433] Call Trace:
<4>[ 431.279466] dump_stack+0x5f/0x86
<4>[ 431.279503] panic+0xcf/0x20d
<4>[ 431.279549] watchdog+0x44a/0x5e0
<4>[ 431.279594] kthread+0xfb/0x130
<4>[ 431.279629] ? reset_hung_task_detector+0x10/0x10
<4>[ 431.279671] ? _kthread_create_on_node+0x30/0x30
<4>[ 431.279717] ret_from_fork+0x3a/0x50
<0>[ 431.279798] Dumping ftrace buffer:
<0>[ 431.279939] (ftrace buffer empty)</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>