Recent DRM-Tip kernels have rare occurrences of igt_core-INFO: Timed out: Stuck page flip on tests: igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy igt@kms_cursor_legacy@basic-flip-after-cursor-legacy Result links with logs: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4153/fi-bxt-j4205/igt@kms_cursor_legacy@basic-flip-after-cursor-legacy.html https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_33/fi-skl-guc/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4475/shard-apl2/igt@kms_cursor_legacy@basic-flip-after-cursor-varying-size.html IGT-Version: 1.22-g35f08c12 (x86_64) (Linux: 4.17.0-rc4-CI-CI_DRM_4163+ x86_64) Test requirement not met in function __real_main1358, file ../tests/kms_cursor_legacy.c:1378: Test requirement: !(n >= display.n_pipes) Timed out: Stuck page flip
This issue was seen 3 times on 3 different platforms, 3 months 3 weeks ago. This rules out hardware issues and points at high reproduction rate that has been fixed quickly.
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