igt@i915_pm_rpm@modeset-.* - timeout - Received signal SIGQUIT, Per-test timeout exceeded. Killing the current test with SIGQUIT.

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_6668/shard-apl6/igt@i915_pm_rpm@modeset-stress-extra-wait.html

Starting subtest: modeset-stress-extra-wait
Received signal SIGQUIT.
Stack trace: 
 #0 [fatal_sig_handler+0x113]
 #1 [killpg+0x40]
 #2 [ioctl+0xb]
 #3 [drmIoctl+0x30]
 #4 [drmModeSetCrtc+0xa6]
 #5 [set_mode_for_params+0x25]
 #6 [modeset_subtest+0xac]
 #7 [__igt_unique____real_main2088+0xba7]
 #8 [main+0x3f]
 #9 [__libc_start_main+0xf3]
 #10 [_start+0x2e]

<7> [522.248145] i915 0000:00:02.0: [drm:drm_dp_read_dpcd_caps [drm_display_helper]] AUX B/DDI B/PHY B: DPCD: 12 14 c4 01 01 15 01 81 00 00 04 00 0f 00 04
<7> [522.248788] i915 0000:00:02.0: [drm:drm_dp_read_desc [drm_display_helper]] AUX B/DDI B/PHY B: DP branch: OUI 00-60-ad dev-ID MC2800 HW-rev 2.2 SW-rev 1.76 quirks 0x0000
<7> [522.249820] i915 0000:00:02.0: [drm:drm_dp_read_downstream_info [drm_display_helper]] AUX B/DDI B/PHY B: DPCD DFP: 0b f0 03 11
<4> [524.261070] [IGT] Per-test timeout exceeded. Killing the current test with SIGQUIT.
<6> [524.261562] sysrq: Show State
<6> [524.261596] task:systemd         state:S stack:12032 pid:    1 ppid:     0 flags:0x00000000
<6> [524.261638] Call Trace:
<6> [524.261644]  <TASK>
<6> [524.261658]  __schedule+0x30b/0xa80
<6> [524.261689]  schedule+0x4e/0xd0
<6> [524.261698]  schedule_hrtimeout_range_clock+0x11d/0x130
<6> [524.261709]  ? do_epoll_wait+0x759/0x8f0
<6> [524.261723]  ? _raw_write_unlock_irq+0x1f/0x50
<6> [524.261733]  ? lockdep_hardirqs_on+0xbf/0x140
<6> [524.261746]  do_epoll_wait+0x76a/0x8f0
<6> [524.261776]  ? ep_timeout_to_timespec.part.24+0xa0/0xa0
<6> [524.261798]  __x64_sys_epoll_wait+0x50/0x90
<6> [524.261806]  ? lockdep_hardirqs_on+0xbf/0x140
<6> [524.261820]  do_syscall_64+0x3a/0x90
<6> [524.261830]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
<6> [524.261838] RIP: 0033:0x7f87712525ce
<6> [524.261845] RSP: 002b:00007ffcde21f570 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
<6> [524.261856] RAX: ffffffffffffffda RBX: 000055dffd659510 RCX: 00007f87712525ce
<6> [524.261862] RDX: 0000000000000051 RSI: 000055dffd78fc10 RDI: 0000000000000004
<6> [524.261867] RBP: ffffffffffffffff R08: 0000000000000000 R09: 0000000000001da0
<6> [524.261873] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000001
<6> [524.261878] R13: 0000000000000051 R14: 000055dffbb62883 R15: 0000000000000000
<6> [524.261916]  </TASK>
<6> [524.261923] task:kthreadd        state:S stack:14144 pid:    2 ppid:     0 flags:0x00004000
<6> [524.261939] Call Trace:
<6> [524.261944]  <TASK>
<6> [524.261958]  __schedule+0x30b/0xa80
<6> [524.261967]  ? kthreadd+0x129/0x160
<6> [524.261984]  ? kthreadd+0x8b/0x160
<6> [524.261990]  ? kthreadd+0x64/0x160
<6> [524.261998]  schedule+0x4e/0xd0
<6> [524.262007]  kthreadd+0x14b/0x160
<6> [524.262014]  ? kthread_is_per_cpu+0x20/0x20
<6> [524.262028]  ret_from_fork+0x22/0x30
<6> [524.262068]  </TASK>
<6> [524.262076] task:rcu_gp          state:I stack:15032 pid:    3 ppid:     2 flags:0x00004000
<6> [524.262092] Call Trace:
<6> [524.262097]  <TASK>
<6> [524.262110]  __schedule+0x30b/0xa80
<6> [524.262120]  ? rescuer_thread+0x22f/0x390
<6> [524.262141]  schedule+0x4e/0xd0
<6> [524.262199]  rescuer_thread+0x24c/0x390
<6> [524.262214]  ? _raw_spin_unlock_irqrestore+0x3d/0x70
<6> [524.262231]  ? worker_thread+0x370/0x370
<6> [524.262240]  kthread+0xef/0x120
<6> [524.262246]  ? kthread_complete_and_exit+0x20/0x20
<6> [524.262261]  ret_from_fork+0x22/0x30
<6> [524.262300]  </TASK>
<6> [524.262306] task:rcu_par_gp      state:I stack:15432 pid:    4 ppid:     2 flags:0x00004000