[Bug 104682] New: [CI] igt at kms_flip@vblank-vs-modeset-suspend - Incomplete - INFO: task java:992 blocked for more than 60 seconds
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Jan 18 07:17:25 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=104682
Bug ID: 104682
Summary: [CI] igt at kms_flip@vblank-vs-modeset-suspend -
Incomplete - INFO: task java:992 blocked for more than
60 seconds
Product: DRI
Version: DRI git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: marta.lofstedt at intel.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4152/shard-hsw7/igt@kms_flip@vblank-vs-modeset-suspend.html
pstore:
<3>[ 553.705051] INFO: task java:992 blocked for more than 60 seconds.
<3>[ 553.705064] Tainted: G U 4.15.0-rc8-CI-CI_DRM_3642+
#1
<3>[ 553.705068] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
<6>[ 553.705072] java D 0 992 938 0x00000000
<4>[ 553.705078] Call Trace:
<4>[ 553.705089] ? __schedule+0x3c3/0xaf0
<4>[ 553.705099] schedule+0x37/0x90
<4>[ 553.705104] io_schedule+0xd/0x30
<4>[ 553.705110] __lock_page+0x107/0x130
<4>[ 553.705116] ? add_to_page_cache_lru+0xc0/0xc0
<4>[ 553.705122] ? ext4_inode_attach_jinode.part.20+0xb0/0xb0
<4>[ 553.705127] block_page_mkwrite+0xd5/0xf0
<4>[ 553.705132] ext4_page_mkwrite+0x172/0x4e0
<4>[ 553.705142] do_page_mkwrite+0x26/0x90
<4>[ 553.705148] do_wp_page+0x16a/0x4a0
<4>[ 553.705155] __handle_mm_fault+0x610/0xdc0
<4>[ 553.705168] handle_mm_fault+0x14f/0x2f0
<4>[ 553.705174] __do_page_fault+0x2d1/0x560
<4>[ 553.705182] ? page_fault+0x36/0x60
<4>[ 553.705186] page_fault+0x4c/0x60
<4>[ 553.705190] RIP: 0033:0x7f7b7bed3f4e
<4>[ 553.705192] RSP: 002b:00007f7b5d8cfdd0 EFLAGS: 00010246
<4>[ 553.705204]
<4>[ 553.705204] Showing all locks held in the system:
<4>[ 553.705211] 2 locks held by khungtaskd/67:
<4>[ 553.705216] #0: (rcu_read_lock){....}, at: [<000000003ae03639>]
watchdog+0x9b/0x5e0
<4>[ 553.705231] #1: (tasklist_lock){.+.+}, at: [<00000000f1536e40>]
debug_show_all_locks+0x37/0x190
<4>[ 553.705246] 1 lock held by khugepaged/72:
<4>[ 553.705249] #0: (&mm->mmap_sem){++++}, at: [<00000000781e493a>]
khugepaged+0x2ef/0x2510
<4>[ 553.705266] 1 lock held by NetworkManager/577:
<4>[ 553.705268] #0: (&type->i_mutex_dir_key){++++}, at:
[<000000004070ee27>] lookup_slow+0xaf/0x1b0
<4>[ 553.705281] 1 lock held by in:imklog/611:
<4>[ 553.705283] #0: (&f->f_pos_lock){+.+.}, at: [<00000000a3a3cc68>]
__fdget_pos+0x3a/0x50
<4>[ 553.705297] 4 locks held by rs:main Q:Reg/614:
<4>[ 553.705299] #0: (&f->f_pos_lock){+.+.}, at: [<00000000a3a3cc68>]
__fdget_pos+0x3a/0x50
<4>[ 553.705311] #1: (sb_writers#3){.+.+}, at: [<00000000f6f656c6>]
vfs_write+0x158/0x1b0
<4>[ 553.705325] #2: (&sb->s_type->i_mutex_key#14){+.+.}, at:
[<0000000087205d7b>] ext4_file_write_iter+0x64/0x3a0
<4>[ 553.705341] #3: (jbd2_handle){++++}, at: [<00000000564e383b>]
start_this_handle+0xff/0x440
<4>[ 553.705356] 3 locks held by java/992:
<4>[ 553.705358] #0: (&mm->mmap_sem){++++}, at: [<00000000d6a07adb>]
__do_page_fault+0x106/0x560
<4>[ 553.705370] #1: (sb_pagefaults){.+.+}, at: [<0000000098ae8afa>]
ext4_page_mkwrite+0x46/0x4e0
<4>[ 553.705381] #2: (&ei->i_mmap_sem){++++}, at: [<0000000074bc246a>]
ext4_page_mkwrite+0x5a/0x4e0
<4>[ 553.705394] 1 lock held by java/1435:
<4>[ 553.705396] #0: (&mm->mmap_sem){++++}, at: [<000000008a74f261>]
vm_mmap_pgoff+0x51/0xd0
<4>[ 553.705409] 1 lock held by java/1545:
<4>[ 553.705411] #0: (&mm->mmap_sem){++++}, at: [<000000008a74f261>]
vm_mmap_pgoff+0x51/0xd0
<4>[ 553.705423] 3 locks held by dmesg/1154:
<4>[ 553.705425] #0: (sb_writers#3){.+.+}, at: [<00000000f6f656c6>]
vfs_write+0x158/0x1b0
<4>[ 553.705438] #1: (&sb->s_type->i_mutex_key#14){+.+.}, at:
[<0000000087205d7b>] ext4_file_write_iter+0x64/0x3a0
<4>[ 553.705452] #2: (jbd2_handle){++++}, at: [<00000000564e383b>]
start_this_handle+0xff/0x440
<4>[ 553.705470] 3 locks held by kworker/u16:15/1875:
<4>[ 553.705472] #0: ((wq_completion)"writeback"){+.+.}, at:
[<0000000071cb73d1>] process_one_work+0x191/0x640
<4>[ 553.705486] #1: ((work_completion)(&(&wb->dwork)->work)){+.+.}, at:
[<0000000071cb73d1>] process_one_work+0x191/0x640
<4>[ 553.705498] #2: (&sbi->s_journal_flag_rwsem){.+.+}, at:
[<000000005cd52949>] do_writepages+0x1b/0x70
<4>[ 553.705521] 2 locks held by nm-dispatcher/2118:
<4>[ 553.705523] #0: (&mm->mmap_sem){++++}, at: [<00000000d6a07adb>]
__do_page_fault+0x106/0x560
<4>[ 553.705534] #1: (&ei->i_mmap_sem){++++}, at: [<000000005a57c964>]
ext4_filemap_fault+0x1f/0x40
<4>[ 553.705547] 1 lock held by rtcwake/2138:
<4>[ 553.705549] #0: (&type->s_umount_key#33){++++}, at:
[<00000000a9db9c14>] iterate_supers+0x8d/0xf0
<4>[ 553.705564]
<4>[ 553.705566] =============================================
<4>[ 553.705566]
<4>[ 553.705569] NMI backtrace for cpu 0
<4>[ 553.705573] CPU: 0 PID: 67 Comm: khungtaskd Tainted: G U
4.15.0-rc8-CI-CI_DRM_3642+ #1
<4>[ 553.705575] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 553.705577] Call Trace:
<4>[ 553.705582] dump_stack+0x5f/0x86
<4>[ 553.705587] nmi_cpu_backtrace+0xb4/0xc0
<4>[ 553.705594] ? lapic_can_unplug_cpu+0x90/0x90
<4>[ 553.705598] nmi_trigger_cpumask_backtrace+0xb8/0xf0
<4>[ 553.705603] watchdog+0x43e/0x5e0
<4>[ 553.705611] kthread+0xfb/0x130
<4>[ 553.705614] ? reset_hung_task_detector+0x10/0x10
<4>[ 553.705617] ? _kthread_create_on_node+0x30/0x30
<4>[ 553.705623] ret_from_fork+0x37/0x50
<6>[ 553.705635] Sending NMI from CPU 0 to CPUs 1-7:
<4>[ 553.705646] NMI backtrace for cpu 4 skipped: idling at
intel_idle+0x6f/0x120
<4>[ 553.705662] NMI backtrace for cpu 1 skipped: idling at
intel_idle+0x6f/0x120
<4>[ 553.705667] NMI backtrace for cpu 6 skipped: idling at
intel_idle+0x6f/0x120
<4>[ 553.705671] NMI backtrace for cpu 2 skipped: idling at
intel_idle+0x6f/0x120
<4>[ 553.705676] NMI backtrace for cpu 3 skipped: idling at
intel_idle+0x6f/0x120
<4>[ 553.705681] NMI backtrace for cpu 7 skipped: idling at
intel_idle+0x6f/0x120
<4>[ 553.705685] NMI backtrace for cpu 5 skipped: idling at
intel_idle+0x6f/0x120
<0>[ 553.706646] Kernel panic - not syncing: hung_task: blocked tasks
<4>[ 553.706652] CPU: 0 PID: 67 Comm: khungtaskd Tainted: G U
4.15.0-rc8-CI-CI_DRM_3642+ #1
<4>[ 553.706656] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 553.706659] Call Trace:
<4>[ 553.706665] dump_stack+0x5f/0x86
<4>[ 553.706671] panic+0xcf/0x20d
<4>[ 553.706682] watchdog+0x44a/0x5e0
<4>[ 553.706690] kthread+0xfb/0x130
<4>[ 553.706694] ? reset_hung_task_detector+0x10/0x10
<4>[ 553.706698] ? _kthread_create_on_node+0x30/0x30
<4>[ 553.706705] ret_from_fork+0x37/0x50
<0>[ 553.707248] Dumping ftrace buffer:
<0>[ 553.707322] (ftrace buffer empty)
<0>[ 553.707326] Kernel Offset: disabled
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