[Bug 101599] New: [BAT][BLB] igt at kms_flip@basic-flip-vs-wf_vblank fails in CI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101599

            Bug ID: 101599
           Summary: [BAT][BLB] igt at kms_flip@basic-flip-vs-wf_vblank fails
                    in CI
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Starting from CI_DRM_2765, the test igt at kms_flip@basic-flip-vs-wf_vblank
started being run on fi-blb-e6850.

After 5 successful runs, the test failed with the following message:

(kms_flip:3563) CRITICAL: Test assertion failure function calibrate_ts, file
kms_flip.c:1207:
(kms_flip:3563) CRITICAL: Failed assertion: ev.sequence == last_seq + 1
(kms_flip:3563) CRITICAL: error: 14892 != 14891
Subtest basic-flip-vs-wf_vblank failed.
**** DEBUG ****
(kms_flip:3563) DEBUG: Test requirement passed: (flags & TEST_HANG) == 0 ||
!is_wedged(drm_fd)
(kms_flip:3563) DEBUG: Test requirement passed: modes
(kms_flip:3563) INFO: Beginning basic-flip-vs-wf_vblank on pipe A, connector
VGA-1
(kms_flip:3563) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920,
height=1080, format=0x34325258, tiling=0x0, size=0)
(kms_flip:3563) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=7680)
(kms_flip:3563) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920,
height=1080, format=0x34325258, tiling=0x0, size=0)
(kms_flip:3563) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=3, pitch=7680)
(kms_flip:3563) igt-kms-INFO:   1920x1080 60 1920 2008 2052 2200 1080 1084 1089
1125 0x5 0x48 148500
(kms_flip:3563) CRITICAL: Test assertion failure function calibrate_ts, file
kms_flip.c:1207:
(kms_flip:3563) CRITICAL: Failed assertion: ev.sequence == last_seq + 1
(kms_flip:3563) CRITICAL: error: 14892 != 14891
****  END  ****

Full logs:
https://intel-gfx-ci.01.org/CI/CI_DRM_2770/fi-blb-e6850/igt@kms_flip@basic-flip-vs-wf_vblank.html

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