Starting dynamic subtest: pipe-C-HDMI-A-4
[552.315931] (kms_async_flips:2623) CRITICAL: Test assertion failure function ...
[552.316051] (kms_async_flips:2623) CRITICAL: Failed assertion: data->flip_int...
[552.316141] (kms_async_flips:2623) CRITICAL: Flip interval not significantly ...
Flip interval: 3.629445ms, Refresh Rate = 60Hz, Threshold = 5
Dynamic subtest pipe-C-HDMI-A-4 failed.
**** DEBUG ****
[551.641891] (kms_async_flips:2623) igt_kms-DEBUG: Test requirement passed: di...
[551.641964] (kms_async_flips:2623) igt_kms-DEBUG: Test requirement passed: re...
[551.642151] (kms_async_flips:2623) DEBUG: Test requirement passed: !(is_joine...
[551.642153] (kms_async_flips:2623) igt_kms-DEBUG: display: C.0: plane_set_fb(...
[551.642154] (kms_async_flips:2623) igt_kms-DEBUG: display: C.0: plane_set_siz...
[551.642155] (kms_async_flips:2623) igt_kms-DEBUG: display: C.0: fb_set_positi...
[551.642156] (kms_async_flips:2623) igt_kms-DEBUG: display: C.0: fb_set_size(1...
[551.642158] (kms_async_flips:2623) igt_kms-DEBUG: display: C.0: plane_set_siz...
[551.642159] (kms_async_flips:2623) igt_kms-DEBUG: display: commit {
[551.642161] (kms_async_flips:2623) igt_kms-DEBUG: display:     populating pla...
...