igt@gem_exec_big@single - Incomplete - INFO: task kworker/.* blocked for more than 30 seconds.
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_975/fi-apl-guc/igt@gem_exec_big@single.html
Stdout
IGT-Version: 1.26-g2f59b36a4 (x86_64) (Linux: 5.16.0-rc6-drmtip_975-g3b881b5409d1+ x86_64)
Starting subtest: single
Submitting a 3617MiB batch, aperture size 268435456MiB
runner: This test was killed due to a kernel taint (0x240).
Stderr
Starting subtest: single
Received signal SIGQUIT.
Stack trace:
#0 [fatal_sig_handler+0xd6]
#1 [killpg+0x40]
#2 [ioctl+0xb]
#3 [drmIoctl+0x28]
#4 [__gem_execbuf+0x12]
#5 [gem_execbuf+0x9]
#6 [execN+0x1d3]
#7 [__igt_unique____real_main310+0x195]
#8 [main+0x27]
#9 [__libc_start_main+0xf3]
#10 [_start+0x2a]
Dmesg
<6> [439.960232] Console: switching to colour dummy device 80x25
<6> [439.961549] [IGT] gem_exec_big: executing
<6> [440.020219] [IGT] gem_exec_big: starting subtest single
<6> [440.020933] gem_exec_big (1761): drop_caches: 4
<3> [485.266258] INFO: task kworker/u8:22:1027 blocked for more than 30 seconds.
<3> [485.266449] Tainted: G U W 5.16.0-rc6-drmtip_975-g3b881b5409d1+ #1
<3> [485.266545] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
<6> [485.266638] task:kworker/u8:22 state:D stack:11952 pid: 1027 ppid: 2 flags:0x00004000
<6> [485.266656] Workqueue: i915 __i915_gem_free_work [i915]
<6> [485.266999] Call Trace:
<6> [485.267004] <TASK>
<6> [485.267016] __schedule+0x42c/0xa90
<6> [485.267052] ? __ww_mutex_lock.constprop.21+0x824/0x1000
<6> [485.267069] schedule+0x3f/0xc0
<6> [485.267076] schedule_preempt_disabled+0xf/0x20
<6> [485.267894] __ww_mutex_lock.constprop.21+0x829/0x1000
<6> [485.267918] ? __i915_gem_free_objects.isra.42+0x7b/0x150 [i915]
<6> [485.268629] ? ww_mutex_lock+0x33/0xf0
<6> [485.268667] ww_mutex_lock+0x33/0xf0
<6> [485.268677] __i915_gem_free_objects.isra.42+0x7b/0x150 [i915]
<6> [485.269382] process_one_work+0x278/0x5d0
<6> [485.269437] worker_thread+0x37/0x390
<6> [485.269449] ? process_one_work+0x5d0/0x5d0
<6> [485.269457] kthread+0x170/0x1a0
<6> [485.269464] ? set_kthread_struct+0x40/0x40
<6> [485.269496] ret_from_fork+0x22/0x30
<6> [485.269558] </TASK>
<4> [485.269572]
Showing all locks held in the system:
<4> [485.269582] 1 lock held by khungtaskd/34:
<4> [485.269664] #0: ffffffff82737960 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0x17a
<4> [485.269727] 1 lock held by in:imklog/406:
<4> [485.269733] #0: ffff888108604f30 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x45/0x50
<4> [485.269778] 4 locks held by rs:main Q:Reg/407:
<4> [485.269803] 4 locks held by dmesg/942:
<4> [485.269808] 3 locks held by kworker/u8:22/1027:
<4> [485.269893] #0: ffff88810c75e538 ((wq_completion)i915){+.+.}-{0:0}, at: process_one_work+0x1ee/0x5d0
<4> [485.269916] #1: ffffc90000b9be70 ((work_completion)(&i915->mm.free_work)){+.+.}-{0:0}, at: process_one_work+0x1ee/0x5d0
<4> [485.269961] #2: ffff88813a76d278 (reservation_ww_class_mutex){+.+.}-{3:3}, at: __i915_gem_free_objects.isra.42+0x7b/0x150 [i915]
<4> [485.270803] 3 locks held by gem_exec_big/1761:
<4> [485.270815]
<4> [485.270818] =============================================