NEW306380
[ MacOS arm64 release ] imported/w3c/web-platform-tests/media-source/mediasource-config-change-webm-av-audio-bitrate.html is a flaky text failure. 
https://bugs.webkit.org/show_bug.cgi?id=306380
Summary [ MacOS arm64 release ] imported/w3c/web-platform-tests/media-source/mediasou...
Diego De La Toba
Reported 2026-01-27 16:33:02 PST
imported/w3c/web-platform-tests/media-source/mediasource-config-change-webm-av-audio-bitrate.html is a flakey text failure on macOS release. HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fmedia-source%2Fmediasource-config-change-webm-av-audio-bitrate.html TEXT DIFF: --- /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-config-change-webm-av-audio-bitrate-expected.txt +++ /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-config-change-webm-av-audio-bitrate-actual.txt @@ -1,3 +1,5 @@ -PASS Tests webm audio bitrate changes in multiplexed content. +Harness Error (TIMEOUT), message = null +TIMEOUT Tests webm audio bitrate changes in multiplexed content. Test timed out + DIFF URL: https://build.webkit.org/results/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/306296@main%20(1307)/imported/w3c/web-platform-tests/media-source/mediasource-config-change-webm-av-audio-bitrate-pretty-diff.html STEPS TO REPRODUCE: I was able to reproduce on Tahoe ToT with the following: run-webkit-test --release --no-retry --force --iterations 20 imported/w3c/web-platform-tests/media-source/mediasource-config-change-webm-av-audio-bitrate.html I am going to mark expectations as pass fail while this pends investigation.
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Radar WebKit Bug Importer
Comment 1 2026-01-27 16:33:33 PST
<rdar://problem/169047138>
Diego De La Toba
Comment 2 2026-01-27 16:38:08 PST
Pull request: https://github.com/WebKit/WebKit/pull/57370
Diego De La Toba
Comment 3 2026-03-05 16:19:54 PST
Pull request: https://github.com/WebKit/WebKit/pull/60027
EWS
Comment 4 2026-03-05 16:22:04 PST
Test gardening commit 308759@main (3383215864b9): <https://commits.webkit.org/308759@main> Reviewed commits have been landed. Closing PR #60027 and removing active labels.
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