igt@kms_cursor_legacy@torture subtests - incomplete - Received signal SIGQUIT.

https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_106522v1/shard-kbl4/igt@kms_cursor_legacy@torture-move@all-pipes.html

Err	
Starting dynamic subtest: all-pipes
Received signal SIGQUIT.
Stack trace: 
 #0 [fatal_sig_handler+0xd6]
 #1 [killpg+0x40]
 #2 [wait4+0x18]
 #3 [__igt_waitchildren+0x59]
 #4 [igt_waitchildren+0x9]
 #5 [stress.constprop.15+0x3f5]
 #6 [__igt_unique____real_main1508+0x2f74]
 #7 [main+0x27]
 #8 [__libc_start_main+0xf3]
 #9 [_start+0x2a]
Dmesg	
<6> [407.283672] [IGT] kms_cursor_legacy: starting dynamic subtest all-pipes
<3> [493.031773] INFO: task kms_cursor_lega:6684 blocked for more than 61 seconds.
<3> [493.031819]       Tainted: G        W         5.19.0-rc7-Patchwork_106522v1-g8aa875373055+ #1
<3> [493.031823] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
<6> [493.031826] task:kms_cursor_lega state:D stack:13264 pid: 6684 ppid:  6652 flags:0x00000000
<6> [493.031832] Call Trace:
<6> [493.031834]  <TASK>
<6> [493.031838]  __schedule+0x483/0xb40
<6> [493.031847]  ? down_write+0x20e/0x750
<6> [493.031851]  schedule+0x3f/0xb0
<6> [493.031854]  down_write+0x213/0x750
<6> [493.031857]  ? down_write+0x63/0x750
<6> [493.031866]  ? unlink_anon_vmas+0xa9/0x1f0
<6> [493.031870]  unlink_anon_vmas+0xa9/0x1f0
<6> [493.031876]  free_pgtables+0xb1/0x110
<6> [493.031882]  exit_mmap+0xab/0x1b0
<6> [493.031892]  mmput+0x5c/0x110
<6> [493.031897]  do_exit+0x301/0xce0
<6> [493.031903]  do_group_exit+0x2e/0xb0
<6> [493.031907]  __x64_sys_exit_group+0xf/0x10
<6> [493.031909]  do_syscall_64+0x3a/0x90
<6> [493.031912]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
<6> [493.031916] RIP: 0033:0x7f6c6b4f42c6
<6> [493.031918] RSP: 002b:00007ffd5a73d8a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7