[Webkit-unassigned] [Bug 167051] ASSERTION FAILED: !isFullUpdate || !m_subframeScrollLayersNeedReattach in WebCore::RenderLayerCompositor::updateCompositingLayers on http://www.w3schools.com/cssref/css_selectors.asp

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=167051

Fujii Hironori <Hironori.Fujii at sony.com> changed:

           What    |Removed                     |Added
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                 CC|                            |Hironori.Fujii at sony.com

--- Comment #1 from Fujii Hironori <Hironori.Fujii at sony.com> ---
I saw the same assertion failure while using MiniBrowser of WinCairo port (Debug buld, trunk at 217917) in some web sites today.

Callstack:

> WTF.dll!WTFCrash() Line 292	C++
> WebKit.dll!WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType updateType, WebCore::RenderLayer * updateRoot) Line 752	C++
> WebKit.dll!WebCore::FrameView::updateCompositingLayersAfterScrolling() Line 2665	C++
> WebKit.dll!WebCore::ScrollView::completeUpdatesAfterScrollTo(const WebCore::IntSize & scrollDelta) Line 482	C++
> WebKit.dll!WebCore::ScrollView::scrollTo(const WebCore::IntPoint & newPosition) Line 475	C++
> WebKit.dll!WebCore::FrameView::scrollTo(const WebCore::IntPoint & newPosition) Line 3899	C++
> WebKit.dll!WebCore::ScrollView::setScrollOffset(const WebCore::IntPoint & offset) Line 414	C++
> WebKit.dll!WebCore::ScrollableArea::scrollPositionChanged(const WebCore::IntPoint & position) Line 171	C++
> WebKit.dll!WebCore::ScrollableArea::setScrollOffsetFromAnimation(const WebCore::IntPoint & offset) Line 233	C++
> WebKit.dll!WebCore::ScrollAnimator::notifyPositionChanged(const WebCore::FloatSize & delta) Line 196	C++
> WebKit.dll!WebCore::ScrollAnimator::scroll(WebCore::ScrollbarOrientation orientation, WebCore::ScrollGranularity __formal, float step, float multiplier) Line 77	C++
> WebKit.dll!WebCore::ScrollAnimator::handleWheelEvent(const WebCore::PlatformWheelEvent & e) Line 153	C++
> WebKit.dll!WebCore::ScrollableArea::handleWheelEvent(const WebCore::PlatformWheelEvent & wheelEvent) Line 203	C++
> WebKit.dll!WebCore::FrameView::wheelEvent(const WebCore::PlatformWheelEvent & wheelEvent) Line 5060	C++
> WebKit.dll!WebCore::EventHandler::platformCompleteWheelEvent(const WebCore::PlatformWheelEvent & event, WebCore::ContainerNode * __formal, const WTF::WeakPtr<WebCore::ScrollableArea> & __formal) Line 2642	C++
> WebKit.dll!WebCore::EventHandler::handleWheelEvent(const WebCore::PlatformWheelEvent & event) Line 2777	C++
> WebKit.dll!WebView::mouseWheel(unsigned __int64 wParam, __int64 lParam, bool isMouseHWheel) Line 2136	C++
> WebKit.dll!WebView::WebViewWndProc(HWND__ * hWnd, unsigned int message, unsigned __int64 wParam, __int64 lParam) Line 2613	C++
> [External Code]	
> WebKit.dll!WebKitMessageLoop::run(HACCEL__ * hAccelTable) Line 97	C++
> MiniBrowserLib.dll!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 189	C++
> MiniBrowserLib.dll!dllLauncherEntryPoint(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 857	C++
> MiniBrowser.exe!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 249	C++
> [External Code]

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