222371 2021-02-24 11:12:00 -0800 [ macOS Wk2 ] imported/w3c/web-platform-tests/media-source/mediasource-activesourcebuffers.html is a flakey text failure 2021-04-15 18:30:37 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified REOPENED https://bugs.webkit.org/show_bug.cgi?id=221310 https://bugs.webkit.org/show_bug.cgi?id=221830 InRadar P2 Normal --- 1 jenner webkit-unassigned aakash_jain eric.carlson jer.noble jonlee tsavell webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1732978 0 jenner 2021-02-24 11:12:00 -0800 imported/w3c/web-platform-tests/media-source/mediasource-activesourcebuffers.html is a flakey text failure in macOS in release and debug on Wk2. It Is also occurring on EWS, and slowing it down. HISTORY URL: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fmedia-source%2Fmediasource-activesourcebuffers.html&platform=mac DIFF URL: https://build.webkit.org/results/Apple-BigSur-Release-WK2-Tests/r273378%20(471)/imported/w3c/web-platform-tests/media-source/mediasource-activesourcebuffers-pretty-diff.html DIFF TEXT: --- /Volumes/Data/slave/bigsur-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-activesourcebuffers-expected.txt +++ /Volumes/Data/slave/bigsur-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/media-source/mediasource-activesourcebuffers-actual.txt @@ -5,6 +5,6 @@ PASS Active SourceBuffers must appear in the same order as they appear in the sourceBuffers attribute: audio is first sourceBuffer, video media appended first PASS Active SourceBuffers must appear in the same order as they appear in the sourceBuffers attribute: video is first sourceBuffer, audio media appended first PASS Active SourceBuffers must appear in the same order as they appear in the sourceBuffers attribute: video is first sourceBuffer, video media appended first -PASS Active SourceBuffers list reflects changes to selected audio/video tracks associated with separate SourceBuffers. +FAIL Active SourceBuffers list reflects changes to selected audio/video tracks associated with separate SourceBuffers. assert_equals: audio source buffer no longer in the activeSourceBuffers list expected 1 but got 2 PASS Active SourceBuffers list ignores changes to selected audio/video tracks that do not affect the activation of the SourceBuffer. 1732980 1 webkit-bug-importer 2021-02-24 11:13:01 -0800 <rdar://problem/74704447> 1733020 2 421438 jenner 2021-02-24 12:19:15 -0800 Created attachment 421438 Patch 1733024 3 jenner 2021-02-24 12:32:57 -0800 Was able to reproduce failure at tip of tree using the following test: run-webkit-test imported/w3c/web-platform-tests/media-source/mediasource-activesourcebuffers.html --iterations 1000 -f Same failure occurred: +FAIL Active SourceBuffers list reflects changes to selected audio/video tracks associated with separate SourceBuffers. assert_equals: audio source buffer no longer in the activeSourceBuffers list expected 1 but got 2 Have not tracked to an obvious regress point yet. The test has been flakey for a while, but there is a point where it started to fail more frequently. Currently investigating. 1733052 4 ews-feeder 2021-02-24 13:17:29 -0800 Committed r273433: <https://commits.webkit.org/r273433> All reviewed patches have been landed. Closing bug and clearing flags on attachment 421438. 1733055 5 tsavell 2021-02-24 13:27:46 -0800 reopen 1733084 6 jenner 2021-02-24 14:40:33 -0800 After investigating I have bisected to a regression point of r272842. Running the following test: run-webkit-test imported/w3c/web-platform-tests/media-source/mediasource-activesourcebuffers.html --iterations 1000 -f The same failure was reproduced. When running on r272841, the failure was not reproduced. The test was flakey failing before. However, it failed more frequently after r272842. 1750881 7 jenner 2021-04-15 18:30:37 -0700 I have added Crash to the test expectations for this test because it has been sporadically crashing. https://trac.webkit.org/changeset/276101/webkit 421438 2021-02-24 12:19:15 -0800 2021-02-24 13:17:30 -0800 Patch bug-222371-20210224121915.patch text/plain 1532 jenner U3VidmVyc2lvbiBSZXZpc2lvbjogMjczNDIxCmRpZmYgLS1naXQgYS9MYXlvdXRUZXN0cy9DaGFu Z2VMb2cgYi9MYXlvdXRUZXN0cy9DaGFuZ2VMb2cKaW5kZXggOTNmMmE1OGM1MWJiNDYwMWZmNDky NjM0Y2U3NGM2YjM4NjI2YzY1YS4uNDc0ZGExOGQ2ZDU3MTFmZDA0ZGM3ZmE0YTI5MTI2M2U0MzFh YmJlNSAxMDA2NDQKLS0tIGEvTGF5b3V0VGVzdHMvQ2hhbmdlTG9nCisrKyBiL0xheW91dFRlc3Rz L0NoYW5nZUxvZwpAQCAtMSwzICsxLDEyIEBACisyMDIxLTAyLTI0ICBSb2JlcnQgSmVubmVyICA8 amVubmVyQGFwcGxlLmNvbT4KKworICAgICAgICBbIG1hY09TIFdrMiBdIGltcG9ydGVkL3czYy93 ZWItcGxhdGZvcm0tdGVzdHMvbWVkaWEtc291cmNlL21lZGlhc291cmNlLWFjdGl2ZXNvdXJjZWJ1 ZmZlcnMuaHRtbCBpcyBhIGZsYWtleSB0ZXh0IGZhaWx1cmUKKyAgICAgICAgaHR0cHM6Ly9idWdz LndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTIyMjM3MQorCisgICAgICAgIFVucmV2aWV3ZWQg dGVzdCBnYXJkZW5pbmcuCisKKyAgICAgICAgKiBwbGF0Zm9ybS9tYWMtd2syL1Rlc3RFeHBlY3Rh dGlvbnM6CisKIDIwMjEtMDItMjQgIFNhbSBXZWluaWcgIDx3ZWluaWdAYXBwbGUuY29tPgogCiAg ICAgICAgIEZpeCBtb2RlbCB0ZXN0IGRpZmZlcmVuY2VzIGJldHdlZW4gcGxhdGZvcm1zCmRpZmYg LS1naXQgYS9MYXlvdXRUZXN0cy9wbGF0Zm9ybS9tYWMtd2syL1Rlc3RFeHBlY3RhdGlvbnMgYi9M YXlvdXRUZXN0cy9wbGF0Zm9ybS9tYWMtd2syL1Rlc3RFeHBlY3RhdGlvbnMKaW5kZXggOTRiYTcx NzM4YjAxODg1YTcyMzkzNjA5ZWRhN2FlODRhNjI3OTRjMC4uM2Q4YmUzMzNjYmY3OGIxNDFiMDhj N2U5NTkzNTFkMzRlYzgzMzJiMCAxMDA2NDQKLS0tIGEvTGF5b3V0VGVzdHMvcGxhdGZvcm0vbWFj LXdrMi9UZXN0RXhwZWN0YXRpb25zCisrKyBiL0xheW91dFRlc3RzL3BsYXRmb3JtL21hYy13azIv VGVzdEV4cGVjdGF0aW9ucwpAQCAtMTM4NSw0ICsxMzg1LDYgQEAgd2Via2l0Lm9yZy9iLzIyMjE4 MyBbIEJpZ1N1ciBdIGltcG9ydGVkL3czYy93ZWItcGxhdGZvcm0tdGVzdHMvbWVkaWEtc291cmNl L21lZGkKIAogd2Via2l0Lm9yZy9iLzIyMjMzMiBbIFJlbGVhc2UgXSBjb21wb3NpdGluZy92aWRl by92aWRlby1ib3JkZXItcmFkaXVzLWNsaXBwaW5nLmh0bWwgWyBQYXNzIEltYWdlT25seUZhaWx1 cmUgXQogCi13ZWJraXQub3JnL2IvMjIyMzY1IGluc3BlY3Rvci9kb20vYXR0cmlidXRlTW9kaWZp ZWQuaHRtbCBbIFBhc3MgVGltZW91dCBdClwgTm8gbmV3bGluZSBhdCBlbmQgb2YgZmlsZQord2Vi a2l0Lm9yZy9iLzIyMjM2NSBpbnNwZWN0b3IvZG9tL2F0dHJpYnV0ZU1vZGlmaWVkLmh0bWwgWyBQ YXNzIFRpbWVvdXQgXQorCit3ZWJraXQub3JnL2IvMjIyMzcxIGltcG9ydGVkL3czYy93ZWItcGxh dGZvcm0tdGVzdHMvbWVkaWEtc291cmNlL21lZGlhc291cmNlLWFjdGl2ZXNvdXJjZWJ1ZmZlcnMu aHRtbCBbIFBhc3MgRmFpbHVyZSBdClwgTm8gbmV3bGluZSBhdCBlbmQgb2YgZmlsZQo=