igt@kms_plane_scaling@planes-downscale-factor* - timeout - Per-test timeout exceeded. Killing the current test with SIGQUIT.

https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_10589/shard-mtlp-6/igt@kms_plane_scaling@planes-downscale-factor-0-5-unity-scaling.html

Err	
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_main1289+0x912]
 #10 [main+0x45]
 #11 [__libc_start_main+0xf3]
 #12 [_start+0x2e]
Dmesg	
<6> [404.733822] Console: switching to colour dummy device 80x25
<6> [404.733898] [IGT] kms_plane_scaling: executing
<7> [404.740623] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7> [404.741785] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<4> [524.889093] [IGT] Per-test timeout exceeded. Killing the current test with SIGQUIT.
<6> [524.889153] 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> [524.924119] sysrq: Show State
<6> [524.927095] task:systemd         state:S stack:11112 pid:1     tgid:1     ppid:0      flags:0x00000000
<6> [524.927102] Call Trace:
<6> [524.927103]  <TASK>
<6> [524.927105]  __schedule+0x3bb/0xd80
<6> [524.927115]  schedule+0x43/0x110
<6> [524.927117]  schedule_hrtimeout_range_clock+0x13a/0x150
<6> [524.927122]  ? _raw_write_unlock_irq+0x23/0x50
<6> [524.927126]  do_epoll_wait+0x707/0x8f0
<6> [524.927134]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
<6> [524.927138]  __x64_sys_epoll_wait+0x54/0x90
<6> [524.927140]  ? do_syscall_64+0x2e/0x140
<6> [524.927144]  do_syscall_64+0x6f/0x140
<6> [524.927146]  entry_SYSCALL_64_after_hwframe+0x6e/0x76
<6> [524.927151] RIP: 0033:0x7fac9224046e
<6> [524.927153] RSP: 002b:00007fff0c4eece0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
<6> [524.927155] RAX: ffffffffffffffda RBX: 000055663c894e40 RCX: 00007fac9224046e
<6> [524.927157] RDX: 0000000000000051 RSI: 000055663c9cf180 RDI: 0000000000000004
<6> [524.927158] RBP: ffffffffffffffff R08: 0000000000000000 R09: 0000000000000f40
<6> [524.927159] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000001
<6> [524.927160] R13: 0000000000000051 R14: 000055663b820863 R15: 0000000000000000
<6> [524.927165]  </TASK>
<6> [524.927166] task:kthreadd        state:S stack:13768 pid:2     tgid:2     ppid:0      flags:0x00004000
<6> [524.927172] Call Trace:
<6> [524.927173]  <TASK>
<6> [524.927175]  __schedule+0x3bb/0xd80
<6> [524.927179]  schedule+0x43/0x110
<6> [524.927181]  kthreadd+0x146/0x160
<6> [524.927184]  ? __pfx_kthreadd+0x10/0x10
<6> [524.927187]  ret_from_fork+0x2c/0x50
<6> [524.927190]  ? __pfx_kthreadd+0x10/0x10
<6> [524.927191]  ret_from_fork_asm+0x1b/0x30
<6> [524.927198]  </TASK>
<6> [524.927199] task:pool_workqueue_ state:S stack:14472 pid:3     tgid:3     ppid:2      flags:0x00004000
<6> [524.927204] Call Trace:
<6> [524.927205]  <TASK>
<6> [524.927207]  __schedule+0x3bb/0xd80
<6> [524.927211]  schedule+0x43/0x110
<6> [524.927213]  kthread_worker_fn+0x196/0x310
<6> [524.927216]  ? __pfx_pwq_release_workfn+0x10/0x10
<6> [524.927219]  ? __pfx_kthread_worker_fn+0x10/0x10
<6> [524.927222]  kthread+0xfe/0x130
<6> [524.927224]  ? __pfx_kthread+0x10/0x10
<6> [524.927227]  ret_from_fork+0x2c/0x50
<6> [524.927228]  ? __pfx_kthread+0x10/0x10
<6> [524.927230]  ret_from_fork_asm+0x1b/0x30
<6> [524.927236]  </TASK>
<6> [524.927237] task:kworker/R-rcu_g state:I stack:14904 pid:4     tgid:4     ppid:2      flags:0x00004000
<6> [524.927243] Call Trace:
<6> [524.927243]  <TASK>
<6> [524.927245]  __schedule+0x3bb/0xd80
<6> [524.927249]  ? __pfx_rescuer_thread+0x10/0x10
<6> [524.927252]  schedule+0x43/0x110
<6> [524.927254]  rescuer_thread+0x283/0x340
<6> [524.927257]  ? rescuer_thread+0x74/0x340
<6> [524.927259]  ? _raw_spin_unlock_irqrestore+0x41/0x70
<6> [524.927261]  ? __pfx_rescuer_thread+0x10/0x10
<6> [524.927263]  kthread+0xfe/0x130
<6> [524.927265]  ? __pfx_kthread+0x10/0x10
<6> [524.927268]  ret_from_fork+0x2c/0x50
<6> [524.927270]  ? __pfx_kthread+0x10/0x10
<6> [524.927272]  ret_from_fork_asm+0x1b/0x30
<6> [524.927278]  </TASK>
<6> [524.927279] task:kworker/R-rcu_p state:I stack:15400 pid:5     tgid:5     ppid:2      flags:0x00004000
<6> [524.927285] Call Trace: