This assertion failure is seen with multiple layout tests after it was added in https://trac.webkit.org/changeset/242113/webkit ASSERTION FAILED: m_mediaBufferingIsSuspended ./page/Page.cpp(1784) : void WebCore::Page::resumeAllMediaBuffering() 1 0x493aeaee9 WTFCrash 2 0x497bb9c5b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x49a78750b WebCore::Page::resumeAllMediaBuffering() 4 0x102bea184 WebKit::WebPage::resumeAllMediaBuffering() 5 0x1028a83a6 WebKit::WebProcess::resumeAllMediaBuffering() 6 0x1028a8e2a WebKit::WebProcess::processDidResume() see: https://build.webkit.org/results/Apple%20iOS%2012%20Simulator%20Debug%20WK2%20(Tests)/r242569%20(2612)/results.html It doesn't seem necessary since m_mediaBufferingIsSuspended is protected by an 'if' statement right below the ASSERT: void Page::resumeAllMediaBuffering() { #if ENABLE(VIDEO) ASSERT(m_mediaBufferingIsSuspended); if (!m_mediaBufferingIsSuspended) return; ...
Created attachment 363827 [details] Patch
<rdar://48642781>
<rdar://problem/48660996>
Comment on attachment 363827 [details] Patch Clearing flags on attachment: 363827 Committed r242586: <https://trac.webkit.org/changeset/242586>
All reviewed patches have been landed. Closing bug.