igt@gem_exec_flush@basic-batch-kernel-default-wb|igt@gem_exec_flush@basic-wb-set-default - timeout - Per-test timeout exceeded. Killing the current test with SIGQUIT.

https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_7731/shard-glk2/igt@gem_exec_flush@basic-batch-kernel-default-wb.html

Err	
Received signal SIGQUIT.
Stack trace: 
 #0 [fatal_sig_handler+0xd6]
 #1 [killpg+0x40]
 #2 [write+0x15]
 #3 [igt_writen+0x33]
 #4 [igt_sysfs_vprintf+0x96]
 #5 [igt_sysfs_printf+0x8f]
 #6 [igt_drop_caches_set+0x35]
 #7 [drm_open_driver+0x60]
 #8 [__igt_unique____real_main576+0x2b1]
 #9 [main+0x27]
 #10 [__libc_start_main+0xf3]
 #11 [_start+0x2a]
Dmesg	
<6> [680.356659] Console: switching to colour dummy device 80x25
<6> [680.358425] [IGT] gem_exec_flush: executing
<4> [800.552337] [IGT] Per-test timeout exceeded. Killing the current test with SIGQUIT.
<6> [800.552415] sysrq: Show State
<6> [800.552450] task:systemd         state:S stack:11672 pid:    1 ppid:     0 flags:0x00000000
<6> [800.552464] Call Trace:
<6> [800.552468]  <TASK>
<6> [800.552478]  __schedule+0x30b/0xa80
<6> [800.552500]  schedule+0x4e/0xd0
<6> [800.552506]  schedule_hrtimeout_range_clock+0x11d/0x130
<6> [800.552513]  ? do_epoll_wait+0x759/0x8f0
<6> [800.552523]  ? _raw_write_unlock_irq+0x1f/0x50
<6> [800.552530]  ? lockdep_hardirqs_on+0xbf/0x140
<6> [800.552539]  do_epoll_wait+0x76a/0x8f0
<6> [800.552560]  ? ep_timeout_to_timespec.part.24+0xa0/0xa0
<6> [800.552574]  __x64_sys_epoll_wait+0x50/0x90
<6> [800.552579]  ? lockdep_hardirqs_on+0xbf/0x140
<6> [800.552589]  do_syscall_64+0x37/0x90
<6> [800.552595]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
<6> [800.552601] RIP: 0033:0x7fa325ac65ce
<6> [800.552606] RSP: 002b:00007ffebc2bd8d0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
<6> [800.552613] RAX: ffffffffffffffda RBX: 000055f32c829510 RCX: 00007fa325ac65ce
<6> [800.552617] RDX: 0000000000000051 RSI: 000055f32c965660 RDI: 0000000000000004
<6> [800.552621] RBP: ffffffffffffffff R08: 0000000000000000 R09: 0000000000000000
<6> [800.552624] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000001
<6> [800.552628] R13: 0000000000000051 R14: 000055f32b831883 R15: 0000000000000000
<6> [800.552652]  </TASK>
<6> [800.552656] task:kthreadd        state:S stack:14136 pid:    2 ppid:     0 flags:0x00004000
<6> [800.552667] Call Trace:
<6> [800.552670]  <TASK>
<6> [800.552679]  __schedule+0x30b/0xa80
<6> [800.552686]  ? kthreadd+0x129/0x160
<6> [800.552698]  ? kthreadd+0x8b/0x160
<6> [800.552702]  ? kthreadd+0x64/0x160
<6> [800.552707]  schedule+0x4e/0xd0
<6> [800.552713]  kthreadd+0x14b/0x160
<6> [800.552718]  ? kthread_is_per_cpu+0x20/0x20
<6> [800.552727]  ret_from_fork+0x1f/0x30
<6> [800.552754]  </TASK>
<6> [800.552757] task:rcu_gp          state:I stack:15032 pid:    3 ppid:     2 flags:0x00004000
<6> [800.552769] Call Trace:
<6> [800.552772]  <TASK>
<6> [800.552781]  __schedule+0x30b/0xa80
<6> [800.552788]  ? rescuer_thread+0x22f/0x390
<6> [800.552802]  schedule+0x4e/0xd0
<6> [800.552808]  rescuer_thread+0x24c/0x390
<6> [800.552816]  ? _raw_spin_unlock_irqrestore+0x3d/0x70
<6> [800.552827]  ? worker_thread+0x370/0x370
<6> [800.552832]  kthread+0xed/0x120
<6> [800.552837]  ? kthread_complete_and_exit+0x20/0x20
<6> [800.552846]  ret_from_fork+0x1f/0x30
<6> [800.552872]  </TASK>
<6> [800.552875] task:rcu_par_gp      state:I stack:15432 pid:    4 ppid:     2 flags:0x00004000
<6> [800.552886] Call Trace:
<6> [800.552889]  <TASK>
<6> [800.552898]  __schedule+0x30b/0xa80
<6> [800.552904]  ? rescuer_thread+0x22f/0x390
<6> [800.552917]  schedule+0x4e/0xd0
<6> [800.552923]  rescuer_thread+0x24c/0x390
<6> [800.552931]  ? _raw_spin_unlock_irqrestore+0x3d/0x70
<6> [800.552941]  ? worker_thread+0x370/0x370
<6> [800.552947]  kthread+0xed/0x120
<6> [800.552982]  ? kthread_complete_and_exit+0x20/0x20
<6> [800.552993]  ret_from_fork+0x1f/0x30
<6> [800.553018]  </TASK>
<6> [800.553022] task:netns           state:I stack:15432 pid:    5 ppid:     2 flags:0x00004000
<6> [800.553033] Call Trace:
<6> [800.553036]  <TASK>
<6> [800.553045]  __schedule+0x30b/0xa80
<6> [800.553051]  ? rescuer_thread+0x22f/0x390
<6> [800.553065]  schedule+0x4e/0xd0
<6> [800.553070]  rescuer_thread+0x24c/0x390
<6> [800.553078]  ? _raw_spin_unlock_irqrestore+0x3d/0x70
<6> [800.553088]  ? worker_thread+0x370/0x370
<6> [800.553094]  kthread+0xed/0x120
<6> [800.553098]  ? kthread_complete_and_exit+0x20/0x20
<6> [800.553107]  ret_from_fork+0x1f/0x30
<6> [800.553133]  </TASK>
<6> [800.553136] task:kworker/0:0H    state:I stack:14696 pid:    7 ppid:     2 flags:0x00004000
<6> [800.553146] Workqueue:  0x0 (events_highpri)
<6> [800.553156] Call Trace:
<6> [800.553159]  <TASK>
<6> [800.553168]  __schedule+0x30b/0xa80
<6> [800.553174]  ? worker_thread+0xb3/0x370
<6> [800.553188]  schedule+0x4e/0xd0
<6> [800.553194]  worker_thread+0xb8/0x370
<6> [800.553203]  ? process_one_work+0x5b0/0x5b0
<6> [800.553209]  kthread+0xed/0x120
<6> [800.553213]  ? kthread_complete_and_exit+0x20/0x20
<6> [800.553223]  ret_from_fork+0x1f/0x30
<6> [800.553248]  </TASK>
<6> [800.553251] task:kworker/0:1H    state:I stack:13624 pid:    9 ppid:     2 flags:0x00004000
<6> [800.553262] Workqueue:  0x0 (kblockd)
<6> [800.553271] Call Trace:
<6> [800.553274]  <TASK>
<6> [800.553283]  __schedule+0x30b/0xa80
<6> [800.553289]  ? worker_thread+0xb3/0x370
<6> [800.553302]  schedule+0x4e/0xd0
<6> [800.553308]  worker_thread+0xb8/0x370
<6> [800.553318]  ? process_one_work+0x5b0/0x5b0
<6> [800.553323]  kthread+0xed/0x120
<6> [800.553327]  ? kthread_complete_and_exit+0x20/0x20
<6> [800.553337]  ret_from_fork+0x1f/0x30
<6> [800.553362]  </TASK>
<6> [800.553365] task:mm_percpu_wq    state:I stack:15432 pid:   10 ppid:     2 flags:0x00004000