[Webkit-unassigned] [Bug 79805] New: ASSERTION FAILED: !needsLayout() on wired.com

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 28 09:11:29 PST 2012 

https://bugs.webkit.org/show_bug.cgi?id=79805

           Summary: ASSERTION FAILED: !needsLayout() on wired.com
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: abecsi at webkit.org
                CC: zbujtas at gmail.com, jocelyn.turcotte at nokia.com,
                    noam.rosenthal at nokia.com


Reproducible with Qt MiniBrowser when loading wired.com.
Not sure if it is Qt only or not, someone needs to verify, but looks like a WebCore issue.

Program received signal SIGSEGV, Segmentation fault.                                                                                                 
[Switching to Thread 0x7fff9b1c9700 (LWP 3009)]                                                                                                      
0x00007ffff506447b in WebCore::FrameView::paintContents (this=0x134e370, p=0x17b5330, rect=...) at ../../../../Source/WebCore/page/FrameView.cpp:2877
2877        ASSERT(!needsLayout());
(gdb) bt
#0  0x00007ffff506447b in WebCore::FrameView::paintContents (this=0x134e370, p=0x17b5330, rect=...) at ../../../../Source/WebCore/page/FrameView.cpp:2877
#1  0x00007ffff5145768 in WebCore::ScrollView::paint (this=0x134e370, context=0x17b5330, rect=...) at ../../../../Source/WebCore/platform/ScrollView.cpp:1043
#2  0x00007ffff531a29a in WebCore::RenderWidget::paint (this=0x215b528, paintInfo=..., paintOffset=...) at ../../../../Source/WebCore/rendering/RenderWidget.cpp:290
#3  0x00007ffff518dc03 in WebCore::InlineBox::paint (this=0x18f9788, paintInfo=..., paintOffset=...) at ../../../../Source/WebCore/rendering/InlineBox.cpp:238
#4  0x00007ffff51951fb in WebCore::InlineFlowBox::paint (this=0x17180b8, paintInfo=..., paintOffset=..., lineTop=0, lineBottom=418) at ../../../../Source/WebCore/rendering/InlineFlowBox.cpp:1069
#5  0x00007ffff53209e0 in WebCore::RootInlineBox::paint (this=0x17180b8, paintInfo=..., paintOffset=..., lineTop=0, lineBottom=418) at ../../../../Source/WebCore/rendering/RootInlineBox.cpp:196
#6  0x00007ffff529c9b3 in WebCore::RenderLineBoxList::paint (this=0x11b4ff8, renderer=0x11b4f58, paintInfo=..., paintOffset=...) at ../../../../Source/WebCore/rendering/RenderLineBoxList.cpp:262
#7  0x00007ffff51b7251 in WebCore::RenderBlock::paintContents (this=0x11b4f58, paintInfo=..., paintOffset=...) at ../../../../Source/WebCore/rendering/RenderBlock.cpp:2696
#8  0x00007ffff51b7abe in WebCore::RenderBlock::paintObject (this=0x11b4f58, paintInfo=..., paintOffset=...) at ../../../../Source/WebCore/rendering/RenderBlock.cpp:2806
#9  0x00007ffff51b6294 in WebCore::RenderBlock::paint (this=0x11b4f58, paintInfo=..., paintOffset=...) at ../../../../Source/WebCore/rendering/RenderBlock.cpp:2549
#10 0x00007ffff527cd10 in WebCore::RenderLayer::paintLayerContents (this=0x11b51c8, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=224) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2925
#11 0x00007ffff527c543 in WebCore::RenderLayer::paintLayerContentsAndReflection (this=0x11b51c8, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=224) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2826
#12 0x00007ffff527c41d in WebCore::RenderLayer::paintLayer (this=0x11b51c8, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=224) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2807
#13 0x00007ffff527d273 in WebCore::RenderLayer::paintList (this=0x7bb418, list=0x11ff980, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=224) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2990
#14 0x00007ffff527cf3a in WebCore::RenderLayer::paintLayerContents (this=0x7bb418, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=224) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2946
#15 0x00007ffff527c543 in WebCore::RenderLayer::paintLayerContentsAndReflection (this=0x7bb418, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=224) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2826
#16 0x00007ffff527c41d in WebCore::RenderLayer::paintLayer (this=0x7bb418, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=224) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2807
#17 0x00007ffff527d273 in WebCore::RenderLayer::paintList (this=0x7b1a78, list=0xa2b5c0, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=224) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2990
#18 0x00007ffff527cf3a in WebCore::RenderLayer::paintLayerContents (this=0x7b1a78, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=224) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2946
#19 0x00007ffff527c543 in WebCore::RenderLayer::paintLayerContentsAndReflection (this=0x7b1a78, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=0) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2826
#20 0x00007ffff527c41d in WebCore::RenderLayer::paintLayer (this=0x7b1a78, rootLayer=0x7b1a78, context=0x17b5330, paintDirtyRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, 
    overlapTestRequests=0x7fffffffcbb0, paintFlags=0) at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2807
#21 0x00007ffff527b75e in WebCore::RenderLayer::paint (this=0x7b1a78, context=0x17b5330, damageRect=..., paintBehavior=0, paintingRoot=0x0, region=0x0, paintFlags=0)
    at ../../../../Source/WebCore/rendering/RenderLayer.cpp:2624
#22 0x00007ffff5064717 in WebCore::FrameView::paintContents (this=0x75d930, p=0x17b5330, rect=...) at ../../../../Source/WebCore/page/FrameView.cpp:2913
#23 0x00007ffff5145768 in WebCore::ScrollView::paint (this=0x75d930, context=0x17b5330, rect=...) at ../../../../Source/WebCore/platform/ScrollView.cpp:1043
#24 0x00007ffff482e306 in WebKit::WebPage::drawRect (this=0x7420a0, graphicsContext=..., rect=...) at ../../../../Source/WebKit2/WebProcess/WebPage/WebPage.cpp:905
#25 0x00007ffff48404ad in WebKit::LayerTreeHostQt::paintContents (this=0x69fa50, graphicsLayer=0x749650, graphicsContext=..., clipRect=...) at ../../../../Source/WebKit2/WebProcess/WebPage/qt/LayerTreeHostQt.cpp:373
#26 0x00007ffff50d8208 in WebCore::GraphicsLayer::paintGraphicsLayerContents (this=0x749650, context=..., clip=...) at ../../../../Source/WebCore/platform/graphics/GraphicsLayer.cpp:301
#27 0x00007ffff4809d1f in WebCore::WebGraphicsLayer::tiledBackingStorePaint (this=0x749650, context=0x17b5330, rect=...) at ../../../../Source/WebKit2/WebProcess/WebCoreSupport/WebGraphicsLayer.cpp:519
#28 0x00007ffff481cba8 in WebKit::TiledBackingStoreRemoteTile::updateBackBuffer (this=0x89f5a0) at ../../../../Source/WebKit2/WebProcess/WebPage/TiledBackingStoreRemoteTile.cpp:79
#29 0x00007ffff50ed91d in WebCore::TiledBackingStore::updateTileBuffers (this=0x7d4b60) at ../../../../Source/WebCore/platform/graphics/TiledBackingStore.cpp:128
#30 0x00007ffff480a2f4 in WebCore::WebGraphicsLayer::updateContentBuffers (this=0x749650) at ../../../../Source/WebKit2/WebProcess/WebCoreSupport/WebGraphicsLayer.cpp:599
#31 0x00007ffff480963d in WebCore::WebGraphicsLayer::syncCompositingStateForThisLayerOnly (this=0x749650) at ../../../../Source/WebKit2/WebProcess/WebCoreSupport/WebGraphicsLayer.cpp:434
#32 0x00007ffff483f85f in WebKit::LayerTreeHostQt::flushPendingLayerChanges (this=0x69fa50) at ../../../../Source/WebKit2/WebProcess/WebPage/qt/LayerTreeHostQt.cpp:224
#33 0x00007ffff483facd in WebKit::LayerTreeHostQt::performScheduledLayerFlush (this=0x69fa50) at ../../../../Source/WebKit2/WebProcess/WebPage/qt/LayerTreeHostQt.cpp:267
#34 0x00007ffff483fbc6 in WebKit::LayerTreeHostQt::layerFlushTimerFired (this=0x69fa50) at ../../../../Source/WebKit2/WebProcess/WebPage/qt/LayerTreeHostQt.cpp:289
#35 0x00007ffff4845d18 in WebCore::Timer<WebKit::LayerTreeHostQt>::fired (this=0x69fb60) at ../../../../Source/WebCore/platform/Timer.h:100
#36 0x00007ffff51630bb in WebCore::ThreadTimers::sharedTimerFiredInternal (this=0x70c1d0) at ../../../../Source/WebCore/platform/ThreadTimers.cpp:115
#37 0x00007ffff5162fe9 in WebCore::ThreadTimers::sharedTimerFired () at ../../../../Source/WebCore/platform/ThreadTimers.cpp:93
#38 0x00007ffff53ef5d4 in WebCore::SharedTimerQt::timerEvent (this=0x70bc90, ev=0x7fffffffddf0) at ../../../../Source/WebCore/platform/qt/SharedTimerQt.cpp:113
#39 0x00007ffff087d946 in QObject::event (this=0x70bc90, e=0x7fffffffddf0) at /home/abecsi/devel/git/qt5/qtbase/src/corelib/kernel/qobject.cpp:995
#40 0x00007ffff19bec8c in QApplicationPrivate::notify_helper (this=0x612330, receiver=0x70bc90, e=0x7fffffffddf0) at /home/abecsi/devel/git/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3716
#41 0x00007ffff19bc322 in QApplication::notify (this=0x601400, receiver=0x70bc90, e=0x7fffffffddf0) at /home/abecsi/devel/git/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3175
#42 0x00007ffff0849176 in QCoreApplication::notifyInternal (this=0x601400, receiver=0x70bc90, event=0x7fffffffddf0) at /home/abecsi/devel/git/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:699
#43 0x00007ffff084cee7 in QCoreApplication::sendEvent (receiver=0x70bc90, event=0x7fffffffddf0) at /home/abecsi/devel/git/qt5/qtbase/src/corelib/kernel/qcoreapplication.h:206
#44 0x00007ffff08b0896 in QTimerInfoList::activateTimers (this=0x6264a0) at /home/abecsi/devel/git/qt5/qtbase/src/corelib/kernel/qtimerinfo_unix.cpp:613
#45 0x00007ffff08b1a5d in timerSourceDispatch (source=0x626440) at /home/abecsi/devel/git/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:186
#46 0x00007fffeb8e78bd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#47 0x00007fffeb8e80b8 in ?? () from /usr/lib/libglib-2.0.so.0
#48 0x00007fffeb8e8289 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#49 0x00007ffff08b2507 in QEventDispatcherGlib::processEvents (this=0x619930, flags=...) at /home/abecsi/devel/git/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:424
#50 0x00007ffff0846506 in QEventLoop::processEvents (this=0x7fffffffe110, flags=...) at /home/abecsi/devel/git/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:135
#51 0x00007ffff08467fd in QEventLoop::exec (this=0x7fffffffe110, flags=...) at /home/abecsi/devel/git/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:211
#52 0x00007ffff0849837 in QCoreApplication::exec () at /home/abecsi/devel/git/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:953
#53 0x00007ffff53d9b2d in WebCore::RunLoop::run () at ../../../../Source/WebCore/platform/qt/RunLoopQt.cpp:69
#54 0x00007ffff485e5f6 in WebKit::WebProcessMainQt (argc=2, argv=0x7fffffffe408) at ../../../../Source/WebKit2/WebProcess/qt/WebProcessMainQt.cpp:209
#55 0x0000000000400734 in main (argc=2, argv=0x7fffffffe408) at ../../../../Source/WebKit2/qt/MainQt.cpp:38

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