igt@kms_properties@plane-properties-atomic - timeout - Received signal SIGQUIT, Per-test timeout exceeded. Killing the current test with SIGQUIT

https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_9530/shard-dg2-1/igt@kms_properties@plane-properties-atomic.html

Received signal SIGQUIT.
Stack trace: 
 #0 [fatal_sig_handler+0x10f]
 #1 [killpg+0x40]
 #2 [write+0x17]
 #3 [igt_writen+0x33]
 #4 [igt_sysfs_vprintf+0x9a]
 #5 [igt_sysfs_printf+0x93]
 #6 [igt_drop_caches_set+0x3c]
 #7 [drm_open_driver+0x69]
 #8 [drm_open_driver_master+0xb]
 #9 [__igt_unique____real_main744+0x3d8]
 #10 [main+0x2d]
 #11 [__libc_start_main+0xf3]
 #12 [_start+0x2e]

6> [891.788061] Console: switching to colour dummy device 80x25
<6> [891.788290] [IGT] kms_properties: executing
<7> [891.790296] i915 0000:03:00.0: [drm:i915_gem_open [i915]] 
<7> [891.791059] i915 0000:03:00.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<4> [1011.923124] [IGT] Per-test timeout exceeded. Killing the current test with SIGQUIT.
<6> [1011.923147] sysrq: HELP : loglevel(0-9) reboot(b) crash(c) show-all-locks(d) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) force-fb(v) show-blocked-tasks(w) dump-ftrace-buffer(z) 
<6> [1011.923255] sysrq: Show State
<6> [1011.923264] task:systemd         state:S stack:11760 pid:1     ppid:0      flags:0x00000000
<6> [1011.923269] Call Trace:
<6> [1011.923271]  <TASK>
<6> [1011.923274]  __schedule+0x3a4/0xd70
<6> [1011.923283]  schedule+0x5c/0xd0
<6> [1011.923286]  schedule_hrtimeout_range_clock+0x13c/0x150
<6> [1011.923291]  ? _raw_write_unlock_irq+0x23/0x50
<6> [1011.923295]  do_epoll_wait+0x709/0x8f0
<6> [1011.923303]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
<6> [1011.923308]  __x64_sys_epoll_wait+0x54/0x90
<6> [1011.923311]  ? lockdep_hardirqs_on+0xc3/0x140
<6> [1011.923315]  do_syscall_64+0x3c/0x90
<6> [1011.923318]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
<6> [1011.923321] RIP: 0033:0x7f2e4aad746e
<6> [1011.923323] RSP: 002b:00007ffc05130fd0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
<6> [1011.923327] RAX: ffffffffffffffda RBX: 000055da2d5443b0 RCX: 00007f2e4aad746e
<6> [1011.923329] RDX: 0000000000000053 RSI: 000055da2d67e950 RDI: 0000000000000004
<6> [1011.923330] RBP: ffffffffffffffff R08: 0000000000000000 R09: 00000000000014a0
<6> [1011.923332] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000001
<6> [1011.923334] R13: 0000000000000053 R14: 000055da2cbec863 R15: 0000000000000000
<6> [1011.923341]  </TASK>
<6> [1011.923342] task:kthreadd        state:S stack:13960 pid:2     ppid:0      flags:0x00004000
<6> [1011.923347] Call Trace:
<6> [1011.923348]  <TASK>
<6> [1011.923351]  __schedule+0x3a4/0xd70
<6> [1011.923354]  ? find_held_lock+0x2b/0x80
<6> [1011.923359]  ? kthreadd+0x61/0x170
<6> [1011.923362]  schedule+0x5c/0xd0
<6> [1011.923365]  kthreadd+0x15a/0x170
<6> [1011.923368]  ? _raw_spin_unlock_irq+0x23/0x50
<6> [1011.923370]  ? __pfx_kthreadd+0x10/0x10
<6> [1011.923374]  ret_from_fork+0x2c/0x50
<6> [1011.923377]  ? __pfx_kthreadd+0x10/0x10
<6> [1011.923380]  ret_from_fork_asm+0x1b/0x30
<6> [1011.923388]  </TASK>
<6> [1011.923389] task:rcu_gp          state:I stack:14920 pid:3     ppid:2      flags:0x00004000
<6> [1011.923394] Call Trace:
<6> [1011.923395]  <TASK>
<6> [1011.923398]  __schedule+0x3a4/0xd70
<6> [1011.923401]  ? find_held_lock+0x2b/0x80
<6> [1011.923406]  schedule+0x5c/0xd0
<6> [1011.923409]  rescuer_thread+0x2b5/0x370
<6> [1011.923414]  ? _raw_spin_unlock_irqrestore+0x41/0x70
<6> [1011.923417]  ? __pfx_rescuer_thread+0x10/0x10
<6> [1011.923420]  kthread+0xff/0x130
<6> [1011.923423]  ? __pfx_kthread+0x10/0x10
<6> [1011.923426]  ret_from_fork+0x2c/0x50
<6> [1011.923429]  ? __pfx_kthread+0x10/0x10
<6> [1011.923432]  ret_from_fork_asm+0x1b/0x30
<6> [1011.923440]  </TASK>
<6> [1011.923441] task:rcu_par_gp      state:I stack:15448 pid:4     ppid:2      flags:0x00004000
<6> [1011.923445] Call Trace:
<6> [1011.923446]  <TASK>
<6> [1011.923449]  __schedule+0x3a4/0xd70
<6> [1011.923452]  ? find_held_lock+0x2b/0x80
<6> [1011.923457]  schedule+0x5c/0xd0
<6> [1011.923460]  rescuer_thread+0x2b5/0x370
<6> [1011.923465]  ? _raw_spin_unlock_irqrestore+0x41/0x70
<6> [1011.923468]  ? __pfx_rescuer_thread+0x10/0x10
<6> [1011.923471]  kthread+0xff/0x130
<6> [1011.923473]  ? __pfx_kthread+0x10/0x10
<6> [1011.923477]  ret_from_fork+0x2c/0x50
<6> [1011.923480]  ? __pfx_kthread+0x10/0x10
<6> [1011.923483]  ret_from_fork_asm+0x1b/0x30
<6> [1011.923490]  </TASK>
<6> [1011.923492] task:slub_flushwq    state:I stack:15448 pid:5     ppid:2      flags:0x00004000
<6> [1011.923496] Call Trace:
<6> [1011.923497]  <TASK>
<6> [1011.923500]  __schedule+0x3a4/0xd70
<6> [1011.923502]  ? find_held_lock+0x2b/0x80
<6> [1011.923508]  schedule+0x5c/0xd0
<6> [1011.923511]  rescuer_thread+0x2b5/0x370
<6> [1011.923515]  ? _raw_spin_unlock_irqrestore+0x41/0x70
<6> [1011.923518]  ? __pfx_rescuer_thread+0x10/0x10
<6> [1011.923521]  kthread+0xff/0x130
<6> [1011.923524]  ? __pfx_kthread+0x10/0x10
<6> [1011.923527]  ret_from_fork+0x2c/0x50
<6> [1011.923530]  ? __pfx_kthread+0x10/0x10
<6> [1011.923533]  ret_from_fork_asm+0x1b/0x30
<6> [1011.923540]  </TASK>
<6> [1011.923542] task:netns           state:I stack:15448 pid:6     ppid:2      flags:0x00004000