RESOLVED FIXED 178465
ASSERTION FAILED: !m_layerTreeStateIsFrozen in WebKit::TiledCoreAnimationDrawingArea::setRootCompositingLayer(CALayer *) 
https://bugs.webkit.org/show_bug.cgi?id=178465
Summary ASSERTION FAILED: !m_layerTreeStateIsFrozen in WebKit::TiledCoreAnimationDraw...
Ryan Haddad
Reported 2017-10-18 09:24:46 PDT
Created attachment 324122 [details] Crash log This assertion failure is seen on macOS debug bots with LayoutTest fast/html/marquee-scroll.html ASSERTION FAILED: !m_layerTreeStateIsFrozen /Volumes/Data/slave/elcapitan-debug/build/Source/WebKit/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm(637) : void WebKit::TiledCoreAnimationDrawingArea::setRootCompositingLayer(CALayer *) 1 0x11dcdca50 WTFCrash 2 0x10b1d2593 WebKit::TiledCoreAnimationDrawingArea::setRootCompositingLayer(CALayer*) 3 0x10b1d3b4e WebKit::TiledCoreAnimationDrawingArea::flushLayers() 4 0x10b1d436c non-virtual thunk to WebKit::TiledCoreAnimationDrawingArea::flushLayers() 5 0x110f93615 WebCore::LayerFlushScheduler::layerFlushCallback() 6 0x110f93d0b WebCore::LayerFlushScheduler::LayerFlushScheduler(WebCore::LayerFlushSchedulerClient*)::$_0::operator()() const 7 0x110f93c9c WTF::Function<void ()>::CallableWrapper<WebCore::LayerFlushScheduler::LayerFlushScheduler(WebCore::LayerFlushSchedulerClient*)::$_0>::call() 8 0x10f09782e WTF::Function<void ()>::operator()() const 9 0x11186f4fe WebCore::RunLoopObserver::runLoopObserverFired() 10 0x11186f480 WebCore::RunLoopObserver::runLoopObserverFired(__CFRunLoopObserver*, unsigned long, void*) 11 0x7fff9e948fc7 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ 12 0x7fff9e948f37 __CFRunLoopDoObservers 13 0x7fff9e927e48 CFRunLoopRunSpecific 14 0x7fff9f4cf935 RunCurrentEventLoopInMode 15 0x7fff9f4cf76f ReceiveNextEventCommon 16 0x7fff9f4cf5af _BlockUntilNextEventMatchingListInModeWithFilter 17 0x7fff96047df6 _DPSNextEvent 18 0x7fff96047226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] 19 0x7fff9603bd80 -[NSApplication run] 20 0x7fff96005368 NSApplicationMain 21 0x7fff91d24194 _xpc_objc_main 22 0x7fff91d22bbe xpc_main 23 0x10abb7fdd main 24 0x7fff9551c5ad start 25 0x1 https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/r223569%20(3681)/results.html https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=fast%2Fhtml%2Fmarquee-scroll.html
Attachments
Crash log (78.61 KB, text/plain)
2017-10-18 09:24 PDT, Ryan Haddad 		no flags
Details
Patch (1.50 KB, patch)
2018-05-31 16:23 PDT, Brent Fulgham 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2017-10-18 09:26:40 PDT
<rdar://problem/35052953>
Ryan Haddad
Comment 2 2017-10-18 09:28:18 PDT
The log attributes the crash to fast/html/marquee-reparent-check.html, which was added with https://trac.webkit.org/changeset/223313/webkit
Ryan Haddad
Comment 3 2017-10-24 13:22:25 PDT
Skipped test in https://trac.webkit.org/changeset/223915/webkit
Brent Fulgham
Comment 4 2018-05-31 16:23:04 PDT
Created attachment 341700 [details] Patch
Geoffrey Garen
Comment 5 2018-05-31 17:21:52 PDT
Comment on attachment 341700 [details] Patch r=me
WebKit Commit Bot
Comment 6 2018-06-01 09:00:51 PDT
Comment on attachment 341700 [details] Patch Clearing flags on attachment: 341700 Committed r232395: <https://trac.webkit.org/changeset/232395>
WebKit Commit Bot
Comment 7 2018-06-01 09:00:52 PDT
All reviewed patches have been landed. Closing bug.
Brent Fulgham
Comment 9 2018-06-01 14:23:33 PDT
(In reply to Brent Fulgham from comment #8) > So far, showing now flakiness: s/now/NO/ NO flakiness.
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