[Webkit-unassigned] [Bug 178465] New: ASSERTION FAILED: !m_layerTreeStateIsFrozen in WebKit::TiledCoreAnimationDrawingArea::setRootCompositingLayer(CALayer *)
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Oct 18 09:24:46 PDT 2017
https://bugs.webkit.org/show_bug.cgi?id=178465
Bug ID: 178465
Summary: ASSERTION FAILED: !m_layerTreeStateIsFrozen in
WebKit::TiledCoreAnimationDrawingArea::setRootComposit
ingLayer(CALayer *)
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: New Bugs
Assignee: webkit-unassigned at lists.webkit.org
Reporter: ryanhaddad at apple.com
Created attachment 324122
--> https://bugs.webkit.org/attachment.cgi?id=324122&action=review
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
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