313273 2026-04-24 16:29:31 -0700 [GStreamer] 3 new failures on MVT tests hls-hlsjs-test/HLS_FMP4_MP3 after 310634@main 2026-05-12 06:27:24 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=311347 InRadar P2 Normal --- 1 clopez aboya aboya philn webkit-bug-importer oldest_to_newest 2204309 0 clopez 2026-04-24 16:29:31 -0700 310634@main caused around 29 new failures on the MVT tests run in the bot https://build.webkit.org/#/builders/WPE-Linux-64-bit-Release-MVT-Tests Last good run: https://build.webkit.org/#/builders/1553/builds/7332 First bad run: https://build.webkit.org/#/builders/1553/builds/7333 However, another commit in the range 311573@main-311565@main fixed all of those but 3 29 failures -> https://build.webkit.org/#/builders/1553/builds/7582 3 failures -> https://build.webkit.org/#/builders/1553/builds/7583 Candidates for the fix: $ git log --oneline e60220202a25de19758649614dd0611531782060..9d1f92e1a9caf9db069a66588c29f20ed4b95960 |grep -i gst ab80d3c3e3f2 [GStreamer] Gardening https://bugs.webkit.org/show_bug.cgi?id=312760 2566042879a7 [GStreamer] Report support for supported non-AAC mp4a codecs https://bugs.webkit.org/show_bug.cgi?id=312501 ab6652549a6d REGRESSION(308531@main): [GStreamer][1.28] Flaky crashes when running test fast/mediastream/error.html https://bugs.webkit.org/show_bug.cgi?id=312157 The 3 failures that remain are this ones: - 3 tests were unexpected failures: HLS_FMP4_MP3__Playback HLS_FMP4_MP3__Pause HLS_FMP4_MP3__Seek I have double checked locally that 310634@main introduced those by doing this: 1. checkout 310633@main, build wpe and run: $ Tools/Scripts/run-mvt-tests --wpe --headless--release --suite hls-hlsjs-test [Suite hls-hlsjs-test] Ran 38 tests, of which: - 38 tests passed. - 13 tests were unexpected passes: HLS_FMP4_AVC_EAC3__Playback HLS_CMAF_AVC_AAC__Playback HLS_CMAF_HEVC_EAC3__Playback HLS_FMP4_AVC_EAC3__Pause HLS_CMAF_AVC_AAC__Pause HLS_CMAF_HEVC_EAC3__Pause HLS_MP2TS_AVC_AAC__Seek HLS_FMP4_AVC_EAC3__Seek HLS_CMAF_AVC_AAC__Seek HLS_CMAF_HEVC_EAC3__Seek HLS_FMP4_AVC_EAC3__PlayRate HLS_CMAF_AVC_AAC__PlayRate HLS_CMAF_HEVC_EAC3__PlayRate 2. checkout 310634@main, build wpe and run: $ Tools/Scripts/run-mvt-tests --wpe --headless --release --suite hls-hlsjs-test [Suite hls-hlsjs-test] Ran 38 tests, of which: - 31 tests passed. - 13 tests were unexpected passes: HLS_FMP4_AVC_EAC3__Playback HLS_CMAF_AVC_AAC__Playback HLS_CMAF_HEVC_EAC3__Playback HLS_FMP4_AVC_EAC3__Pause HLS_CMAF_AVC_AAC__Pause HLS_CMAF_HEVC_EAC3__Pause HLS_MP2TS_AVC_AAC__Seek HLS_FMP4_AVC_EAC3__Seek HLS_CMAF_AVC_AAC__Seek HLS_CMAF_HEVC_EAC3__Seek HLS_FMP4_AVC_EAC3__PlayRate HLS_CMAF_AVC_AAC__PlayRate HLS_CMAF_HEVC_EAC3__PlayRate - 1 tests were expected failures: HLS_CMAF_AVC_MP3__Pause - 6 tests were unexpected failures: HLS_FMP4_MP3__Playback HLS_CMAF_AVC_MP3__Playback HLS_FMP4_MP3__Pause HLS_FMP4_MP3__Seek HLS_CMAF_AVC_MP3__Seek HLS_CMAF_AVC_MP3__PlayRate So in that MVT suite 310634@main adds 6 failures, of those 3 still remain on main as of 311982@main Run in main (311982@main): $ Tools/Scripts/run-mvt-tests --wpe --headless --release --suite hls-hlsjs-test [Suite hls-hlsjs-test] Ran 38 tests, of which: - 35 tests passed. - 13 tests were unexpected passes: HLS_FMP4_AVC_EAC3__Playback HLS_CMAF_AVC_AAC__Playback HLS_CMAF_HEVC_EAC3__Playback HLS_FMP4_AVC_EAC3__Pause HLS_CMAF_AVC_AAC__Pause HLS_CMAF_HEVC_EAC3__Pause HLS_MP2TS_AVC_AAC__Seek HLS_FMP4_AVC_EAC3__Seek HLS_CMAF_AVC_AAC__Seek HLS_CMAF_HEVC_EAC3__Seek HLS_FMP4_AVC_EAC3__PlayRate HLS_CMAF_AVC_AAC__PlayRate HLS_CMAF_HEVC_EAC3__PlayRate - 3 tests were unexpected failures: HLS_FMP4_MP3__Playback HLS_FMP4_MP3__Pause HLS_FMP4_MP3__Seek 2204929 1 aboya 2026-04-27 07:57:53 -0700 Pull request: https://github.com/WebKit/WebKit/pull/63699 2205296 2 ews-feeder 2026-04-28 01:42:23 -0700 Committed 312190@main (056c4c55fb09): <https://commits.webkit.org/312190@main> Reviewed commits have been landed. Closing PR #63699 and removing active labels. 2205297 3 webkit-bug-importer 2026-04-28 01:43:12 -0700 <rdar://problem/175741589> 2210119 4 ews-feeder 2026-05-12 06:27:24 -0700 Committed 305877.490@webkitglib/2.52 (d5043a96b5d0): <https://commits.webkit.org/305877.490@webkitglib/2.52> Reviewed commits have been landed. Closing PR #64750 and removing active labels.