The following layout test is failing on Mojave Debug WK1 media/track/video-track-addition-and-frame-removal.html Probable cause: Unknown, crash has been occurring for the whole history. Test is hitting an assertion Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Ftrack%2Fvideo-track-addition-and-frame-removal.html Log: https://build.webkit.org/results/Apple%20Mojave%20Debug%20WK1%20(Tests)/r237349%20(308)/media/track/video-track-addition-and-frame-removal-crash-log.txt Excerpt: Application Specific Information: CRASHING TEST: media/track/video-track-addition-and-frame-removal.html Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.JavaScriptCore 0x000000010fbc0030 WTFCrash + 16 (Assertions.cpp:255) 1 com.apple.WebCore 0x000000011e3a6afb WTFCrashWithInfo(int, char const*, char const*, int) + 27 2 com.apple.WebCore 0x0000000120eb501a WebCore::FrameView::paintContents(WebCore::GraphicsContext&, WebCore::IntRect const&, WebCore::Widget::SecurityOriginPaintPolicy) + 602 (FrameView.cpp:4155) 3 com.apple.WebKitLegacy 0x0000000116431e5e -[WebFrame(WebInternal) _drawRect:contentsOnly:] + 1342 (WebFrame.mm:665)
ASSERTION FAILED: !needsLayout() ./page/FrameView.cpp(4155) : virtual void WebCore::FrameView::paintContents(WebCore::GraphicsContext &, const WebCore::IntRect &, WebCore::Widget::SecurityOriginPaintPolicy) We have multiple bugs about this assertion failing, but I don't know how to tell which ones are dupes.
*** Bug 206714 has been marked as a duplicate of this bug. ***
<rdar://problem/58853165>
Created attachment 389039 [details] Update Test Expectations
Comment on attachment 389039 [details] Update Test Expectations Clearing flags on attachment: 389039 Committed r255266: <https://trac.webkit.org/changeset/255266>
This only asserts in WK1. Please adjust the expectations accordingly.
Oh nm, you did.