Starting subtest: flip-vs-expired-vblank
Starting dynamic subtest: A-DP3
[127.798092] (kms_flip:2099) CRITICAL: Test assertion failure function run_tes...
[127.798205] (kms_flip:2099) CRITICAL: Failed assertion: end - start < 500
Dynamic subtest A-DP3 failed.
**** DEBUG ****
[125.780068] (kms_flip:2099) DEBUG: name = flip
last_ts = 126.048767
last_received_ts = 126.048454
last_seq = 2682
current_ts = 126.065430
current_received_ts = 126.065178
current_seq = 2683
count = 141
seq_step = 1
[125.780147] (kms_flip:2099) DEBUG: Vblank took 61us
[125.796715] (kms_flip:2099) DEBUG: name = flip
...

Starting subtest: flip-vs-expired-vblank
Starting dynamic subtest: A-HDMI-A1
Dynamic subtest A-HDMI-A1: SUCCESS (7.704s)
Starting dynamic subtest: B-HDMI-A1
Dynamic subtest B-HDMI-A1: SUCCESS (7.675s)
Starting dynamic subtest: C-HDMI-A1
Dynamic subtest C-HDMI-A1: SUCCESS (7.667s)
Starting dynamic subtest: D-HDMI-A1
[128.697735] (kms_flip:2163) CRITICAL: Test assertion failure function run_tes...
[128.697789] (kms_flip:2163) CRITICAL: Failed assertion: end - start < 500
Dynamic subtest D-HDMI-A1 failed.
**** DEBUG ****
[127.688539] (kms_flip:2163) DEBUG: name = flip
last_ts = 127.880348
last_received_ts = 127.880135
last_seq = 1153
current_ts = 127.888687
...