NEW 201588
Flaky Test: imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html 
https://bugs.webkit.org/show_bug.cgi?id=201588
Summary Flaky Test: imported/w3c/web-platform-tests/html/semantics/embedded-content/m...
WebKit Commit Bot
Reported 2019-09-07 22:22:46 PDT
This is an automatically generated bug from the commit-queue. imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html has been flaky on the commit-queue. imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html was authored by youennf@gmail.com. https://trac.webkit.org/browser/trunk/LayoutTests/imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html The commit-queue just saw imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html flake (text diff) while processing attachment 378311 [details] on bug 201584. Bot: webkit-cq-01 Port: <class 'webkitpy.common.config.ports.MacPort'> Platform: Mac OS X 10.13.6 The bots will update this with information from each new failure. If you believe this bug to be fixed or invalid, feel free to close. The bots will re-open if the flake re-occurs. If you would like to track this test fix with another bug, please close this bug as a duplicate. The bots will follow the duplicate chain when making future comments.
Attachments
Archive of layout-test-results from webkit-cq-01 (3.18 MB, application/zip)
2019-09-07 22:22 PDT, WebKit Commit Bot 		no flags
Details
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WebKit Commit Bot
Comment 1 2019-09-07 22:22:48 PDT
Created attachment 378319 [details] Archive of layout-test-results from webkit-cq-01
Alexey Proskuryakov
Comment 2 2019-09-10 08:58:36 PDT
This test has been very flaky on macOS Mojave for a long time, see bug 176929. Failures on High Sierra aren't new either, but post-commit bots only see them on WebKit1 or GuardMalloc bots, not on Release WebKit2 like here. The diff appears to always be the same though. @@ -1,4 +1,3 @@ -CONSOLE MESSAGE: line 31: TypeError: null is not an object (evaluating 'track.track.cues.length') CONSOLE MESSAGE: line 31: TypeError: null is not an object (evaluating 'track.track.cues.length') CONSOLE MESSAGE: line 31: TypeError: null is not an object (evaluating 'track.track.cues.length') CONSOLE MESSAGE: line 31: TypeError: null is not an object (evaluating 'track.track.cues.length')
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