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[CI] igt@kms_cursor_legacy@*flip-vs-cursor-* Failed assertion: get_vblank(display->drm_fd, pipe, 0) == *

    • Closed Issue created by Bugzilla Migration User @bugzilla-migration

    Submitted by Marta Löfstedt

    Assigned to Default DRI bug account

    Link to original bug (#102670)

    Description

    On CI_DRM_3074 HSW-shard:

    (kms_cursor_legacy:1579) CRITICAL: Test assertion failure function flip_vs_cursor, file kms_cursor_legacy.c:833:
    (kms_cursor_legacy:1579) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start + 1
    (kms_cursor_legacy:1579) CRITICAL: error: 1068 != 1067
    Subtest flip-vs-cursor-toggle failed.


    https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3074/shard-hsw1/igt@kms_cursor_legacy@flip-vs-cursor-toggle.html

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    • Activity

    • Bugzilla Migration User added priority::medium severity::major + 1 deleted label

      added priority::medium severity::major + 1 deleted label

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Jani Saarinen said:

      This has failed only once so far. And based on priority drop it major.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      Now also on the igt@kms_cursor_legacy@flip-vs-cursor-legacy

      https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3104/shard-hsw5/igt@kms_cursor_legacy@flip-vs-cursor-legacy.html

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3245/shard-apl5/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions.html
      https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3245/shard-apl8/igt@kms_cursor_legacy@flip-vs-cursor-atomic.html

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3249/shard-kbl7/igt@kms_cursor_legacy@flip-vs-cursor-atomic.html

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3345/shard-hsw5/igt@kms_cursor_legacy@flip-vs-cursor-varying-size.html

      (kms_cursor_legacy:4316) CRITICAL: Test assertion failure function flip_vs_cursor, file kms_cursor_legacy.c:747:
      (kms_cursor_legacy:4316) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start + 1
      (kms_cursor_legacy:4316) CRITICAL: error: 22978 != 22977
      Subtest flip-vs-cursor-varying-size failed.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3368/shard-apl7/igt@kms_cursor_legacy@basic-flip-after-cursor-varying-size.html

      (kms_cursor_legacy:7572) CRITICAL: Test assertion failure function basic_flip_cursor, file kms_cursor_legacy.c:525:
      (kms_cursor_legacy:7572) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start
      (kms_cursor_legacy:7572) CRITICAL: error: 35891 != 35889
      Subtest basic-flip-after-cursor-varying-size failed.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3495/shard-snb5/igt@kms_cursor_legacy@flip-vs-cursor-toggle.html


      (kms_cursor_legacy:1351) CRITICAL: Test assertion failure function flip_vs_cursor, file kms_cursor_legacy.c:747:
      (kms_cursor_legacy:1351) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start + 1
      (kms_cursor_legacy:1351) CRITICAL: error: 1148 != 1147
      Subtest flip-vs-cursor-toggle failed.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4141/shard-apl1/igt@kms_cursor_legacy@short-flip-after-cursor-atomic-transitions-varying-size.html

      (kms_cursor_legacy:1786) CRITICAL: Test assertion failure function basic_flip_cursor, file kms_cursor_legacy.c:525:
      (kms_cursor_legacy:1786) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start
      (kms_cursor_legacy:1786) CRITICAL: error: 8766 != 8765
      Subtest short-flip-after-cursor-atomic-transitions-varying-size failed.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3683/shard-apl7/igt@kms_cursor_legacy@flip-vs-cursor-crc-atomic.html

      (kms_cursor_legacy:2734) CRITICAL: Test assertion failure function flip_vs_cursor_crc, file kms_cursor_legacy.c:1259:
      (kms_cursor_legacy:2734) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start + 1
      (kms_cursor_legacy:2734) CRITICAL: error: 7789 != 7787
      Subtest flip-vs-cursor-crc-atomic failed.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      This issue has only been reproduced on HSW-shards within reasonable time. I cleared out some impact from cibuglog.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_7/fi-skl-6770hq/igt@kms_cursor_legacy@flip-vs-cursor-toggle.html

      (kms_cursor_legacy:1947) CRITICAL: Test assertion failure function flip_vs_cursor, file ../tests/kms_cursor_legacy.c:746:
      (kms_cursor_legacy:1947) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start + 1
      (kms_cursor_legacy:1947) CRITICAL: error: 9723 != 9722
      Subtest flip-vs-cursor-toggle failed.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_7/fi-cfl-s3/igt@kms_cursor_legacy@flip-vs-cursor-legacy.html

      (kms_cursor_legacy:2984) CRITICAL: Test assertion failure function flip_vs_cursor, file ../tests/kms_cursor_legacy.c:738:
      (kms_cursor_legacy:2984) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start
      (kms_cursor_legacy:2984) CRITICAL: error: 6101 != 6100
      Subtest flip-vs-cursor-legacy failed.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Marta Löfstedt said:

      https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3986/shard-hsw4/igt@kms_cursor_legacy@flip-vs-cursor-crc-atomic.html

      (kms_cursor_legacy:6438) CRITICAL: Test assertion failure function flip_vs_cursor_crc, file ../tests/kms_cursor_legacy.c:1259:
      (kms_cursor_legacy:6438) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start + 1
      (kms_cursor_legacy:6438) CRITICAL: error: 28717 != 28716
      Subtest flip-vs-cursor-crc-atomic failed.

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Francesco Balestrieri said:

      Marteen, are you looking at this?

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Jani Saarinen said:

      Lowering priority, low occurrence

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Lakshmi said:

      https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_146/fi-gdg-551/igt@kms_cursor_legacy@flip-vs-cursor-toggle.html

      Starting subtest: flip-vs-cursor-toggle
      (kms_cursor_legacy:1103) CRITICAL: Test assertion failure function flip_vs_cursor, file ../tests/kms_cursor_legacy.c:741:
      (kms_cursor_legacy:1103) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) <= vblank_start + 1
      (kms_cursor_legacy:1103) CRITICAL: error: 4631 > 4630
      Subtest flip-vs-cursor-toggle failed.
      **** DEBUG ****
      (kms_cursor_legacy:1103) DEBUG: Test requirement passed: found
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: VGA-1: set_pipe(A)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: VGA-1: Selecting pipe A
      (kms_cursor_legacy:1103) igt_fb-DEBUG: igt_create_fb_with_bo_size(width=1024, height=768, format=0x34325258, tiling=0x0, size=0)
      (kms_cursor_legacy:1103) igt_fb-DEBUG: igt_create_fb_with_bo_size(handle=1, pitch=4096)
      (kms_cursor_legacy:1103) ioctl_wrappers-DEBUG: Test requirement passed: igt_has_fb_modifiers(fd)
      (kms_cursor_legacy:1103) igt_fb-DEBUG: Test requirement passed: cairo_surface_status(fb->cairo_surface) == CAIRO_STATUS_SUCCESS
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: A.0: plane_set_fb(42)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: A.0: plane_set_size (1024x768)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: A.0: fb_set_position(0,0)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: A.0: fb_set_size(1024x768)
      (kms_cursor_legacy:1103) DEBUG: Test requirement passed: set_fb_on_crtc(display, pipe, &fb_info)
      (kms_cursor_legacy:1103) igt_fb-DEBUG: igt_create_fb_with_bo_size(width=64, height=64, format=0x34325241, tiling=0x0, size=0)
      (kms_cursor_legacy:1103) igt_fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=256)
      (kms_cursor_legacy:1103) ioctl_wrappers-DEBUG: Test requirement passed: igt_has_fb_modifiers(fd)
      (kms_cursor_legacy:1103) igt_fb-DEBUG: Test requirement passed: cairo_surface_status(fb->cairo_surface) == CAIRO_STATUS_SUCCESS
      (kms_cursor_legacy:1103) DEBUG: Test requirement passed: cursor
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: A.1: plane_set_fb(51)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: A.1: plane_set_size (64x64)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: A.1: fb_set_position(0,0)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: A.1: fb_set_size(64x64)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: commit {
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: VGA-1: SetCrtc pipe A, fb 42, src (0, 0), mode 1024x768
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: SetCursor pipe A, fb 2 64x64
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: MoveCursor pipe A, (0, 0)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: SetCrtc pipe B, disabling
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: SetCursor pipe B, disabling
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: MoveCursor pipe B, (0, 0)
      (kms_cursor_legacy:1103) igt_kms-DEBUG: display: }
      (kms_cursor_legacy:1103) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
      (kms_cursor_legacy:1103) DEBUG: Test requirement passed: target > 1
      (kms_cursor_legacy:1103) DEBUG: Using a target of 32 cursor updates per quarter-vblank
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) igt_kms-DEBUG: Test requirement passed: plane_idx >= 0 && plane_idx < pipe->n_planes
      (kms_cursor_legacy:1103) CRITICAL: Test assertion failure function flip_vs_cursor, file ../tests/kms_cursor_legacy.c:741:
      (kms_cursor_legacy:1103) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) <= vblank_start + 1
      (kms_cursor_legacy:1103) CRITICAL: error: 4631 > 4630
      (kms_cursor_legacy:1103) igt_core-INFO: Stack trace:
      (kms_cursor_legacy:1103) igt_core-INFO: #0 ../lib/igt_core.c:1467 __igt_fail_assert()
      (kms_cursor_legacy:1103) igt_core-INFO: #1 ../tests/kms_cursor_legacy.c:743 flip_vs_cursor()
      (kms_cursor_legacy:1103) igt_core-INFO: #2 ../tests/kms_cursor_legacy.c:1494 __real_main1358()
      (kms_cursor_legacy:1103) igt_core-INFO: #3 (closed) ../tests/kms_cursor_legacy.c:1358 main()
      (kms_cursor_legacy:1103) igt_core-INFO: #4 (closed) ../csu/libc-start.c:344 __libc_start_main()
      (kms_cursor_legacy:1103) igt_core-INFO: #5 (closed) [_start+0x2a]
      **** END ****
      Subtest flip-vs-cursor-toggle: FAIL (13.472s)

    • Bugzilla Migration User
      Bugzilla Migration User @bugzilla-migration ·
      Author

      :speech_balloon: Arek Hiler said:

      The test seems to be very prone to race conditions and this may explain the sporadic failures we see (few instances every week, affects all the machines):

      1. we try to figure out experimentally how many cursor updates we can squeeze between vblanks, by starting with a high number and lowering it until we fit. Our target is a quarter of that
      2. we pin our process to a CPU and fork a busy loop with sched_yield();
      3. 150 loops of trying to squeeze target cursor updates within one vblank

      This doesn't take power and thermal budged into account and makes a lot of assumptions about process scheduling on a non-RTOS.

      User impact is low. We loose some coverage. Test needs to be reworked.

      Immediate steps:
      1. log the delta between vblanks, so we can regain some coverage by having better filters
      2. log our target
      3. don't exit early, show how many iterations of the 150 had failed

      This is related and it makes sense to work on both together: https://bugs.freedesktop.org/show_bug.cgi?id=103355
    • Bugzilla Migration User mentioned in issue #15 (closed)

      mentioned in issue #15 (closed)

    • Bugzilla Migration User mentioned in issue #17 (closed)

      mentioned in issue #17 (closed)

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