287987 2025-02-19 11:38:53 -0800 [ macOS WK2 ] media/media-source/media-source-minimumupcomingpresentationtime.html is a flaky text failure 2026-05-08 13:35:31 -0700 1 1 1 Unclassified WebKit Media WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 313712 InRadar P2 Normal --- 1 jenner webkit-unassigned jer.noble webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 2095965 0 jenner 2025-02-19 11:38:53 -0800 media/media-source/media-source-minimumupcomingpresentationtime.html is a flaky text failure on MacOS WK2. As of this writing it is flaky on macOS Ventura and higher. HISTORY: https://results.webkit.org/?suite=layout-tests&test=media%2Fmedia-source%2Fmedia-source-minimumupcomingpresentationtime.html DIFF: https://build.webkit.org/results/Apple-Sequoia-Release-AppleSilicon-WK2-Tests/290607@main%20(1695)/media/media-source/media-source-minimumupcomingpresentationtime-pretty-diff.html RUN(internals.setMaximumQueueDepthForTrackID(sourceBuffer, 1, 3)) RUN(sourceBuffer.appendBuffer(samples)) EVENT(updateend) -EXPECTED (internals.minimumUpcomingPresentationTimeForTrackID(sourceBuffer, 1) == '1') OK +EXPECTED (internals.minimumUpcomingPresentationTimeForTrackID(sourceBuffer, 1) == '1'), OBSERVED '0' FAIL RUN(video.currentTime = 4) EVENT(seeked) EXPECTED (internals.minimumUpcomingPresentationTimeForTrackID(sourceBuffer, 1) == '8') OK RUN(sourceBuffer.appendBuffer(samples)) EVENT(updateend) -EXPECTED (internals.minimumUpcomingPresentationTimeForTrackID(sourceBuffer, 1) == '7') OK +EXPECTED (internals.minimumUpcomingPresentationTimeForTrackID(sourceBuffer, 1) == '7'), OBSERVED '8' FAIL END OF TEST 2095969 1 jenner 2025-02-19 11:40:06 -0800 It should be noted that this test ONLY runs in WK2, not WK1. 2095970 2 jenner 2025-02-19 11:41:04 -0800 I was able to reproduce the failure at macOS Sequoia Production ToT running the test as follows: run-webkit-tests media/media-source/media-source-minimumupcomingpresentationtime.html --iterations 1000 Of 1000 iterations it reproduces approximately 13 times. 2095971 3 webkit-bug-importer 2025-02-19 11:41:27 -0800 <rdar://problem/145156323> 2095974 4 ews-feeder 2025-02-19 11:48:05 -0800 Test gardening commit 290630@main (c446f3429528): <https://commits.webkit.org/290630@main> Reviewed commits have been landed. Closing PR #40882 and removing active labels. 2209063 5 jer.noble 2026-05-08 10:55:32 -0700 > result-analysis confidence-check media/media-source/media-source-minimumupcomingpresentationtime.html Results for media/media-source/media-source-minimumupcomingpresentationtime.html PASS 100.00% This test no longer flakes. 2209145 6 jer.noble 2026-05-08 13:35:31 -0700 *** This bug has been marked as a duplicate of bug 313712 ***