[Bug 104479] New: [CI] igt at kms_cursor_legacy@all-pipes-single-move - Incomplete - INFO: task kswapd0:52 blocked for more than 60 seconds
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Jan 3 14:05:31 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=104479
Bug ID: 104479
Summary: [CI] igt at kms_cursor_legacy@all-pipes-single-move -
Incomplete - INFO: task kswapd0:52 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_4109/shard-glkb6/igt@kms_cursor_legacy@all-pipes-single-move.html
<7>[ 115.915180] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 01
<3>[ 123.918946] INFO: task kswapd0:52 blocked for more than 60 seconds.
<3>[ 123.918960] Tainted: G U 4.15.0-rc6-CI-CI_DRM_3589+
#1
<3>[ 123.918963] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
<6>[ 123.918967] kswapd0 D 0 52 2 0x80000000
<4>[ 123.918973] Call Trace:
<4>[ 123.918985] ? __schedule+0x3c3/0xaf0
<4>[ 123.918994] schedule+0x37/0x90
<4>[ 123.919000] io_schedule+0xd/0x30
<4>[ 123.919005] __lock_page+0x107/0x130
<4>[ 123.919011] ? add_to_page_cache_lru+0xc0/0xc0
<4>[ 123.919019] deferred_split_scan+0x25a/0x2b0
<4>[ 123.919027] shrink_slab.part.17+0x201/0x5d0
<4>[ 123.919041] shrink_node+0x2fd/0x310
<4>[ 123.919050] kswapd+0x31c/0x910
<4>[ 123.919064] kthread+0xfb/0x130
<4>[ 123.919067] ? mem_cgroup_shrink_node+0x300/0x300
<4>[ 123.919070] ? _kthread_create_on_node+0x30/0x30
<4>[ 123.919075] ret_from_fork+0x24/0x30
<4>[ 123.919087]
<4>[ 123.919087] Showing all locks held in the system:
<4>[ 123.919092] 2 locks held by khungtaskd/39:
<4>[ 123.919097] #0: (rcu_read_lock){....}, at: [<0000000013272121>]
watchdog+0x9b/0x5e0
<4>[ 123.919111] #1: (tasklist_lock){.+.+}, at: [<000000004959d449>]
debug_show_all_locks+0x37/0x190
<4>[ 123.919125] 1 lock held by kswapd0/52:
<4>[ 123.919127] #0: (shrinker_rwsem){++++}, at: [<00000000dd3d5ed5>]
shrink_slab.part.17+0x46/0x5d0
<4>[ 123.919158] 1 lock held by in:imklog/572:
<4>[ 123.919160] #0: (&f->f_pos_lock){+.+.}, at: [<00000000bc87fec0>]
__fdget_pos+0x3a/0x50
<4>[ 123.919185] 1 lock held by dmesg/1126:
<4>[ 123.919187] #0: (&user->lock){+.+.}, at: [<000000005b6470df>]
devkmsg_read+0x35/0x2f0
<4>[ 123.919202]
<4>[ 123.919204] =============================================
<4>[ 123.919204]
<4>[ 123.919207] NMI backtrace for cpu 1
<4>[ 123.919211] CPU: 1 PID: 39 Comm: khungtaskd Tainted: G U
4.15.0-rc6-CI-CI_DRM_3589+ #1
<4>[ 123.919213] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07),
BIOS GELKRVPA.X64.0069.B31.1710111133 10/11/2017
<4>[ 123.919215] Call Trace:
<4>[ 123.919220] dump_stack+0x5f/0x86
<4>[ 123.919225] nmi_cpu_backtrace+0xb4/0xc0
<4>[ 123.919230] ? lapic_can_unplug_cpu+0x90/0x90
<4>[ 123.919234] nmi_trigger_cpumask_backtrace+0xb8/0xf0
<4>[ 123.919238] watchdog+0x43e/0x5e0
<4>[ 123.919245] kthread+0xfb/0x130
<4>[ 123.919247] ? reset_hung_task_detector+0x10/0x10
<4>[ 123.919250] ? _kthread_create_on_node+0x30/0x30
<4>[ 123.919255] ret_from_fork+0x24/0x30
<6>[ 123.919267] Sending NMI from CPU 1 to CPUs 0,2-3:
<4>[ 123.919272] NMI backtrace for cpu 0
<4>[ 123.919274] CPU: 0 PID: 1473 Comm: kms_cursor_lega Tainted: G U
4.15.0-rc6-CI-CI_DRM_3589+ #1
<4>[ 123.919274] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07),
BIOS GELKRVPA.X64.0069.B31.1710111133 10/11/2017
<4>[ 123.919277] RIP: 0010:lock_release+0x2e/0x300
<4>[ 123.919278] RSP: 0018:ffffc90000bbba08 EFLAGS: 00000082
<4>[ 123.919279] RAX: ffff880171de2740 RBX: ffffffff82289bc0 RCX:
ffff880166a1ed40
<4>[ 123.919280] RDX: ffffffff8145d3c1 RSI: 0000000000000001 RDI:
ffffffff82289bd8
<4>[ 123.919280] RBP: ffffffff82289bd8 R08: ffff880171de3068 R09:
00000000d615ee8d
<4>[ 123.919281] R10: 0000000000000000 R11: 0000000000000003 R12:
ffffffff8145d3c1
<4>[ 123.919281] R13: 0000000000000082 R14: 00000000000f9d40 R15:
ffff8801714398b0
<4>[ 123.919282] FS: 00007f4470bf4a40(0000) GS:ffff88017fc00000(0000)
knlGS:0000000000000000
<4>[ 123.919283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 123.919283] CR2: 00007f446edf3580 CR3: 00000001784f6000 CR4:
0000000000340ef0
<4>[ 123.919284] Call Trace:
<4>[ 123.919287] _raw_spin_unlock+0x17/0x40
<4>[ 123.919290] __debug_object_init+0x171/0x430
<4>[ 123.919371] ? haswell_crtc_compute_clock+0x5c/0x5c [i915]
<4>[ 123.919402] __i915_sw_fence_init+0x29/0x50 [i915]
<4>[ 123.919440] intel_atomic_commit+0x49/0x320 [i915]
<4>[ 123.919444] drm_atomic_helper_update_plane+0xeb/0x100
<4>[ 123.919465] __setplane_internal+0x193/0x260
<4>[ 123.919467] ? __mutex_lock+0x432/0x9b0
<4>[ 123.919468] ? drm_mode_cursor_common+0x7a/0x1d0
<4>[ 123.919470] ? drm_modeset_lock+0x3b/0x110
<4>[ 123.919472] drm_mode_cursor_universal+0xdc/0x1c0
<4>[ 123.919474] drm_mode_cursor_common+0x168/0x1d0
<4>[ 123.919476] ? drm_mode_setplane+0x1a0/0x1a0
<4>[ 123.919477] drm_mode_cursor_ioctl+0x3f/0x50
<4>[ 123.919480] drm_ioctl_kernel+0x60/0xa0
<4>[ 123.919481] drm_ioctl+0x290/0x330
<4>[ 123.919482] ? drm_mode_setplane+0x1a0/0x1a0
<4>[ 123.919485] ? lock_acquire+0xaf/0x200
<4>[ 123.919487] do_vfs_ioctl+0x8a/0x670
<4>[ 123.919489] ? entry_SYSCALL_64_fastpath+0x5/0x89
<4>[ 123.919490] ? trace_hardirqs_on_caller+0xde/0x1c0
<4>[ 123.919492] SyS_ioctl+0x36/0x70
<4>[ 123.919493] entry_SYSCALL_64_fastpath+0x1c/0x89
Since igt at gem_tiled_swapping@non-threaded was run before this test, maybe this
is related to bug 104218.
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