[Webkit-unassigned] [Bug 93443] Web Inspector: Protocol Extension: Add "regionLayoutUpdate" event

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=93443


Jessie Berlin <jberlin at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jberlin at webkit.org




--- Comment #19 from Jessie Berlin <jberlin at webkit.org>  2012-09-04 10:27:09 PST ---
(In reply to comment #18)
> Committed r127468: <http://trac.webkit.org/changeset/127468>

This caused assertion failures - "crashes" on the ML Debug WK1 Tests:

http://build.webkit.org/builders/Apple%20MountainLion%20Debug%20WK1%20%28Tests%29/builds/492
http://build.webkit.org/results/Apple%20MountainLion%20Debug%20WK1%20(Tests)/r127468%20(493)/inspector/styles/protocol-css-regions-commands-crash-log.txt

Please fix this soon or I will have to roll out this patch.

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000bbadbeef

VM Regions Near 0xbbadbeef:
--> 
    __TEXT                 000000010a816000-000000010a8b7000 [  644K] r-x/rwx SM=COW  /Volumes/VOLUME/*

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x000000010c3216eb WebCore::Document::updateStyleIfNeeded() + 219 (Document.cpp:1901)
1   com.apple.WebCore                 0x000000010c32192b WebCore::Document::updateLayout() + 155 (Document.cpp:1933)
2   com.apple.WebCore                 0x000000010c321a82 WebCore::Document::updateLayoutIgnorePendingStylesheets() + 210 (Document.cpp:1969)
3   com.apple.WebCore                 0x000000010d7c2dc6 WebCore::WebKitNamedFlow::getContent() + 118 (WebKitNamedFlow.cpp:164)
4   com.apple.WebCore                 0x000000010c8c38e4 WebCore::InspectorCSSAgent::buildObjectForNamedFlow(WTF::String*, WebCore::WebKitNamedFlow*, int) + 68 (InspectorCSSAgent.cpp:1111)
5   com.apple.WebCore                 0x000000010c8c3c25 WebCore::InspectorCSSAgent::didUpdateRegionLayout(WebCore::Document*, WebCore::WebKitNamedFlow*) + 117 (InspectorCSSAgent.cpp:566)
6   com.apple.WebCore                 0x000000010c928720 WebCore::InspectorInstrumentation::didUpdateRegionLayoutImpl(WebCore::InstrumentingAgents*, WebCore::Document*, WebCore::WebKitNamedFlow*) + 64 (InspectorInstrumentation.cpp:250)
7   com.apple.WebCore                 0x000000010d233d5e WebCore::InspectorInstrumentation::didUpdateRegionLayout(WebCore::Document*, WebCore::WebKitNamedFlow*) + 78 (InspectorInstrumentation.h:591)
8   com.apple.WebCore                 0x000000010d23301b WebCore::RenderNamedFlowThread::dispatchRegionLayoutUpdateEvent() + 75 (RenderNamedFlowThread.cpp:342)
9   com.apple.WebCore                 0x000000010d1a2c25 WebCore::RenderFlowThread::layout() + 1429 (RenderFlowThread.cpp:196)
10  com.apple.WebCore                 0x000000010c5b3326 WebCore::RenderObject::layoutIfNeeded() + 54 (RenderObject.h:655)
11  com.apple.WebCore                 0x000000010c5b28a6 WebCore::FlowThreadController::layoutRenderNamedFlowThreads() + 1126 (FlowThreadController.cpp:134)
12  com.apple.WebCore                 0x000000010d354aaa WebCore::RenderView::layout() + 1066 (RenderView.cpp:159)
13  com.apple.WebCore                 0x000000010c63f2db WebCore::FrameView::layout(bool) + 3147 (FrameView.cpp:1182)
14  com.apple.WebCore                 0x000000010c63b1a0 WebCore::FrameView::layoutTimerFired(WebCore::Timer<WebCore::FrameView>*) + 32 (FrameView.cpp:2105)
15  com.apple.WebCore                 0x000000010c6563b3 WebCore::Timer<WebCore::FrameView>::fired() + 115 (Timer.h:100)
16  com.apple.WebCore                 0x000000010d71f37d WebCore::ThreadTimers::sharedTimerFiredInternal() + 285 (ThreadTimers.cpp:118)
17  com.apple.WebCore                 0x000000010d71f119 WebCore::ThreadTimers::sharedTimerFired() + 25 (ThreadTimers.cpp:94)
18  com.apple.WebCore                 0x000000010d460553 WebCore::timerFired(__CFRunLoopTimer*, void*) + 67 (SharedTimerMac.mm:167)

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