Starting dynamic subtest: D-HDMI-A1
(kms_flip:2190) CRITICAL: Test assertion failure function run_test_step, file ...
(kms_flip:2190) CRITICAL: Failed assertion: end - start < 500
(kms_flip:2190) CRITICAL: Last errno: 4, Interrupted system call
Dynamic subtest D-HDMI-A1 failed.
**** DEBUG ****
(kms_flip:2190) DEBUG: Vblank took 29us
(kms_flip:2190) DEBUG: name = flip
last_ts = 238.254852
last_received_ts = 238.254532
last_seq = 724
current_ts = 238.263199
current_received_ts = 238.262985
current_seq = 725
count = 710
seq_step = 1
(kms_flip:2190) DEBUG: Vblank took 31us
...

Starting dynamic subtest: D-HDMI-A1
(kms_flip:2096) CRITICAL: Test assertion failure function run_test_step, file ...
(kms_flip:2096) CRITICAL: Failed assertion: end - start < 500
(kms_flip:2096) CRITICAL: Last errno: 4, Interrupted system call
Dynamic subtest D-HDMI-A1 failed.
**** DEBUG ****
(kms_flip:2096) igt_fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=10...
(kms_flip:2096) drmtest-DEBUG: Test requirement passed: is_intel_device(fd)
(kms_flip:2096) drmtest-DEBUG: Test requirement passed: is_intel_device(fd)
(kms_flip:2096) igt_fb-DEBUG: igt_create_fb_with_bo_size(handle=1, pitch=7680)
(kms_flip:2096) ioctl_wrappers-DEBUG: Test requirement passed: igt_has_fb_modi...
(kms_flip:2096) igt_fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=10...
(kms_flip:2096) drmtest-DEBUG: Test requirement passed: is_intel_device(fd)
(kms_flip:2096) drmtest-DEBUG: Test requirement passed: is_intel_device(fd)
(kms_flip:2096) igt_fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=7680)
(kms_flip:2096) ioctl_wrappers-DEBUG: Test requirement passed: igt_has_fb_modi...
(kms_flip:2096) intel_blt-DEBUG: Test requirement passed: cmds_info
...