191030 2018-10-29 08:49:48 -0700 [ MacOS Debug ] Layout Test media/media-source/media-source-seek-redundant-append.html is flaky timeout 2018-10-29 14:05:09 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=190076 InRadar P2 Normal --- 1 tsavell webkit-unassigned aboya jlewis3 lforschler ryanhaddad webkit-bug-importer oldest_to_newest 1472919 0 tsavell 2018-10-29 08:49:48 -0700 The following layout test is flaky on Mac Debug media/media-source/media-source-seek-redundant-append.html Probable cause: This test appears to have become flakey recently. We need to try and find the regression point. Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Fmedia-source%2Fmedia-source-seek-redundant-append.html 1473035 1 webkit-bug-importer 2018-10-29 13:51:27 -0700 <rdar://problem/45647917> 1473048 2 aboya 2018-10-29 14:05:09 -0700 Note this is a relatively recent test, introduced in r236656 (Oct 1 2018), very close to the first (flaky) timeout, so it's very likely that the problem has been there for very long before the test existed. The test has not had any failures in GTK or WPE so far, so it is probably an issue in the Mac backend rather than in platform-independent code.