https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3984/shard-hsw3/igt@kms_cursor_legacy@2x-long-cursor-vs-flip-legacy.html (kms_cursor_legacy:8934) CRITICAL: Test assertion failure function two_screens_cursor_vs_flip, file ../tests/kms_cursor_legacy.c:1206: (kms_cursor_legacy:8934) CRITICAL: Failed assertion: shared[child] > vrefresh[child]*target[child] / 2 (kms_cursor_legacy:8934) CRITICAL: completed 11425 cursor updated in a period of 30 flips, we expect to complete approximately 30720 updates, with the threshold set at 15360 Subtest 2x-long-cursor-vs-flip-legacy failed.
Also seen on the -atomic version: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4107/shard-hsw3/igt@kms_cursor_legacy@2x-long-cursor-vs-flip-atomic.html (kms_cursor_legacy:2443) CRITICAL: Test assertion failure function two_screens_cursor_vs_flip, file ../tests/kms_cursor_legacy.c:1206: (kms_cursor_legacy:2443) CRITICAL: Failed assertion: shared[child] > vrefresh[child]*target[child] / 2 (kms_cursor_legacy:2443) CRITICAL: Last errno: 25, Inappropriate ioctl for device (kms_cursor_legacy:2443) CRITICAL: completed 9444 cursor updated in a period of 30 flips, we expect to complete approximately 30720 updates, with the threshold set at 15360 Subtest 2x-long-cursor-vs-flip-atomic failed.
Also seen on igt@kms_cursor_legacy@2x-cursor-vs-flip-atomic. https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4850/shard-hsw5/igt@kms_cursor_legacy@2x-cursor-vs-flip-atomic.html Starting subtest: 2x-cursor-vs-flip-atomic (kms_cursor_legacy:1160) CRITICAL: Test assertion failure function two_screens_cursor_vs_flip, file ../tests/kms_cursor_legacy.c:1207: (kms_cursor_legacy:1160) CRITICAL: Failed assertion: shared[child] > vrefresh[child]*target[child] / 2 (kms_cursor_legacy:1160) CRITICAL: Last errno: 25, Inappropriate ioctl for device (kms_cursor_legacy:1160) CRITICAL: completed 7274 cursor updated in a period of 30 flips, we expect to complete approximately 15360 updates, with the threshold set at 7680 Subtest 2x-cursor-vs-flip-atomic failed.
This failure still happens almost every day on shard HSW systems.
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