igt@kms_flip@dpms-off-confusion - crash - Received signal SIGSEGV

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13643/re-mtlp-6/igt@kms_flip@dpms-off-confusion-interruptible@c-dp6.html

Starting dynamic subtest: C-DP6
Received signal SIGSEGV.
Stack trace: 
 #0 [fatal_sig_handler+0x10f]
 #1 [killpg+0x40]
 #2 [kmstest_set_connector_dpms+0x25]
 #3 [run_test_on_crtc_set+0x12af]
 #4 [run_test+0x29d]
 #5 [__igt_unique____real_main2068+0x61e]
 #6 [main+0x3a]
 #7 [__libc_start_main+0xf3]
 #8 [_start+0x2e]
Dynamic subtest C-DP6: CRASH (0.596s)