igt@gem_eio@ subtests - timeout - Received signal SIGQUIT. Per-test timeout exceeded. Killing the current test with SIGQUIT.

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_768/fi-tgl-u2/igt@gem_eio@unwedge-stress.html#dmesg-warnings4325

Starting subtest: unwedge-stress
Received signal SIGQUIT.
Stack trace: 
 #0 [fatal_sig_handler+0xd6]
 #1 [killpg+0x40]
 #2 [write+0x45]
 #3 [writeN+0x2d]
 #4 [igt_sysfs_vprintf+0x11c]
 #5 [igt_sysfs_printf+0x8f]
 #6 [igt_drop_caches_set+0x2a]
 #7 [trigger_reset+0x91]
 #8 [reset_stress+0x265]
 #9 [test_reset_stress+0x67]
 #10 [__real_main950+0x1721]
 #11 [main+0x27]
 #12 [__libc_start_main+0xe7]
 #13 [_start+0x2a]

<7> [270.529687] [IGT] Checking that the GPU recovered
<4> [361.642860] [IGT] Per-test timeout exceeded. Killing the current test with SIGQUIT.
<6> [361.642917] sysrq: Show State
<6> [361.643016] task:systemd         state:S stack:11984 pid:    1 ppid:     0 flags:0x00000000
<6> [361.643038] Call Trace:
<6> [361.643049]  __schedule+0x3f4/0x990
<6> [361.643067]  schedule+0x38/0xe0
<6> [361.643074]  schedule_hrtimeout_range_clock+0x11b/0x130
<6> [361.643082]  ? do_epoll_wait+0x743/0x900
<6> [361.643092]  ? _raw_write_unlock_irq+0x1f/0x40
<6> [361.643100]  ? lockdep_hardirqs_on+0xbf/0x130
<6> [361.643111]  do_epoll_wait+0x754/0x900
<6> [361.643131]  ? finish_wait+0x80/0x80
<6> [361.643147]  __x64_sys_epoll_wait+0x50/0x90
<6> [361.643153]  ? lockdep_hardirqs_on+0xbf/0x130
<6> [361.643163]  do_syscall_64+0x33/0x80
<6> [361.643170]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
<6> [361.643177] RIP: 0033:0x7f9cf9c6bbb7
<6> [361.643182] RSP: 002b:00007ffc3b1bff10 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
<6> [361.643191] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9cf9c6bbb7
<6> [361.643196] RDX: 0000000000000036 RSI: 00007ffc3b1bff50 RDI: 0000000000000004
<6> [361.643200] RBP: 00007ffc3b1bff50 R08: 0000000000000000 R09: 7465677261742e79
<6> [361.643205] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000036
<6> [361.643209] R13: 00000000ffffffff R14: 00007ffc3b1bff50 R15: 0000000000000001
<6> [361.643233] task:kthreadd        state:S stack:13776 pid:    2 ppid:     0 flags:0x00004000