[Webkit-unassigned] [Bug 36094] New: Assertion failure (!layer->m_zOrderListsDirty) in RenderLayerCompositor::rebuildCompositingLayerTree()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=36094

           Summary: Assertion failure (!layer->m_zOrderListsDirty) in
                    RenderLayerCompositor::rebuildCompositingLayerTree()
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
               URL: http://www.inhabitat.com/2010/03/11/scientists-find-wa
                    y-to-turn-led-lights-into-wireless-internet-source/
        OS/Version: Mac OS X 10.6
            Status: NEW
          Keywords: NeedsRadar, NeedsReduction
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mitz at webkit.org
                CC: simon.fraser at apple.com


Created an attachment (id=50667)
 --> (https://bugs.webkit.org/attachment.cgi?id=50667)
Web archive

Steps to reproduce:

1. Visit the URL or open the attached web archive
2. Start scrolling down and to the right. I find that it is easier to reproduce
with momentum scrolling

Result:


ASSERTION FAILED: !layer->m_zOrderListsDirty
(WebCore/rendering/RenderLayerCompositor.cpp:689 void
WebCore::RenderLayerCompositor::rebuildCompositingLayerTree(WebCore::RenderLayer*,
const WebCore::CompositingState&, WTF::Vector<WebCore::GraphicsLayer*, 0ul>&))

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