igt@runner@aborted - fail - INFO: task dmabuf/wait:\d+ blocked for more than \d+ seconds
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_12181/fi-tgl-dsi/dmesg0.txt
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_12181/fi-tgl-dsi/igt@runner@aborted.html
<3>[ 864.441232] INFO: task dmabuf/wait:6365 blocked for more than 61 seconds.
<3>[ 864.441418] Tainted: G U W 6.0.0-rc6-CI_DRM_12181-gd78ac7a86963+ #1
<3>[ 864.441445] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
<6>[ 864.441464] task:dmabuf/wait state:D stack:15256 pid: 6365 ppid: 2 flags:0x00004000
<6>[ 864.441511] Call Trace:
<6>[ 864.441524] <TASK>
<6>[ 864.441555] __schedule+0x30b/0xa80
<6>[ 864.441613] ? dma_fence_default_wait+0x105/0x240
<6>[ 864.441641] ? dma_fence_default_wait+0x1fa/0x240
<6>[ 864.441666] schedule+0x4e/0xd0
<6>[ 864.441877] schedule_timeout+0x237/0x2e0
<6>[ 864.441987] ? dma_fence_default_wait+0x21d/0x240
<6>[ 864.442052] ? _raw_spin_unlock_irqrestore+0x54/0x70
<6>[ 864.442094] ? dma_fence_default_wait+0x105/0x240
<6>[ 864.442172] ? dma_fence_default_wait+0x105/0x240
<6>[ 864.442233] ? dma_fence_default_wait+0x1fa/0x240
<6>[ 864.442265] dma_fence_default_wait+0x225/0x240
<6>[ 864.442313] ? dma_fence_add_callback+0xc0/0xc0
<6>[ 864.442382] ? seqno_inc2+0x10/0x10 [dmabuf_selftests]
<6>[ 864.442443] dma_fence_wait_timeout+0x1fd/0x220
<6>[ 864.442490] __wait_fence_chains+0x15/0x30 [dmabuf_selftests]
<6>[ 864.442537] kthread+0xed/0x120
<6>[ 864.442569] ? kthread_complete_and_exit+0x20/0x20
<6>[ 864.442623] ret_from_fork+0x1f/0x30
<6>[ 864.442861] </TASK>
<4>[ 864.442885]
Showing all locks held in the system:
<4>[ 864.442908] 1 lock held by rcu_tasks_kthre/10:
<4>[ 864.442932] #0: ffffffff82736f50 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0x3c0
<4>[ 864.443063] 1 lock held by khungtaskd/54:
<4>[ 864.443084] #0: ffffffff82737960 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0x17a
<4>[ 864.443206] 1 lock held by rs:main Q:Reg/408:
<4>[ 864.443244] 4 locks held by dmesg/898:
<4>[ 864.443270] 1 lock held by dmabuf/6351:
<4>[ 864.443309] =============================================