[Webkit-unassigned] [Bug 74511] [Qt][WK2] Assertion hit and crash with fast/multicol/pagination-* tests

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Dec 14 09:26:16 PST 2011


https://bugs.webkit.org/show_bug.cgi?id=74511





--- Comment #1 from Balazs Kelemen <kbalazs at webkit.org>  2011-12-14 09:26:16 PST ---
Backtrace of assertion hit.
Created by manually running tests (WebKitTestRunner LayoutTests/fast/multicol/pagination-*.html) and digging in the core dump. The assertion happened when rendering pagination-v-horizontal-bt.html.

Program terminated with signal 11, Segmentation fault.
#0  0x00007f7c06458675 in WebCore::RenderLayerCompositor::computeCompositingRequirements (this=0x8495a0, layer=0x86e518, overlapMap=0x7fffc43354d0, 
    compositingState=..., layersChanged=@0x7fffc433555f) at /home/balazs/master_clean/Source/WebCore/rendering/RenderLayerCompositor.cpp:758
758         ASSERT(willBeComposited == needsToBeComposited(layer));
(gdb) bt 20
#0  0x00007f7c06458675 in WebCore::RenderLayerCompositor::computeCompositingRequirements (this=0x8495a0, layer=0x86e518, overlapMap=0x7fffc43354d0, 
    compositingState=..., layersChanged=@0x7fffc433555f) at /home/balazs/master_clean/Source/WebCore/rendering/RenderLayerCompositor.cpp:758
#1  0x00007f7c064568dc in WebCore::RenderLayerCompositor::updateCompositingLayers (this=0x8495a0, updateType=
    WebCore::CompositingUpdateAfterLayoutOrStyleChange, updateRoot=0x86e518)
    at /home/balazs/master_clean/Source/WebCore/rendering/RenderLayerCompositor.cpp:306
#2  0x00007f7c0621ee61 in WebCore::FrameView::updateCompositingLayers (this=0x809260) at /home/balazs/master_clean/Source/WebCore/page/FrameView.cpp:662
#3  0x00007f7c0622070c in WebCore::FrameView::layout (this=0x809260, allowSubtree=true) at /home/balazs/master_clean/Source/WebCore/page/FrameView.cpp:1145
#4  0x00007f7c05daf188 in WebCore::Document::implicitClose (this=0x6e5730) at /home/balazs/master_clean/Source/WebCore/dom/Document.cpp:2261
#5  0x00007f7c0615e67d in WebCore::FrameLoader::checkCallImplicitClose (this=0x695930)
    at /home/balazs/master_clean/Source/WebCore/loader/FrameLoader.cpp:797
#6  0x00007f7c0615e431 in WebCore::FrameLoader::checkCompleted (this=0x695930) at /home/balazs/master_clean/Source/WebCore/loader/FrameLoader.cpp:745
#7  0x00007f7c0615e17d in WebCore::FrameLoader::finishedParsing (this=0x695930) at /home/balazs/master_clean/Source/WebCore/loader/FrameLoader.cpp:679
#8  0x00007f7c05db800c in WebCore::Document::finishedParsing (this=0x6e5730) at /home/balazs/master_clean/Source/WebCore/dom/Document.cpp:4296
#9  0x00007f7c060348cc in WebCore::HTMLTreeBuilder::finished (this=0x6bd6e0)
    at /home/balazs/master_clean/Source/WebCore/html/parser/HTMLTreeBuilder.cpp:2829
#10 0x00007f7c06008c60 in WebCore::HTMLDocumentParser::end (this=0x6c0460)
    at /home/balazs/master_clean/Source/WebCore/html/parser/HTMLDocumentParser.cpp:381
#11 0x00007f7c06008d5d in WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd (this=0x6c0460)
    at /home/balazs/master_clean/Source/WebCore/html/parser/HTMLDocumentParser.cpp:390
#12 0x00007f7c06007d34 in WebCore::HTMLDocumentParser::prepareToStopParsing (this=0x6c0460)
    at /home/balazs/master_clean/Source/WebCore/html/parser/HTMLDocumentParser.cpp:153
#13 0x00007f7c06008da2 in WebCore::HTMLDocumentParser::attemptToEnd (this=0x6c0460)
    at /home/balazs/master_clean/Source/WebCore/html/parser/HTMLDocumentParser.cpp:402
#14 0x00007f7c06008e5b in WebCore::HTMLDocumentParser::finish (this=0x6c0460)
    at /home/balazs/master_clean/Source/WebCore/html/parser/HTMLDocumentParser.cpp:429
#15 0x00007f7c061579dd in WebCore::DocumentWriter::endIfNotLoadingMainResource (this=0x6bdc80)
    at /home/balazs/master_clean/Source/WebCore/loader/DocumentWriter.cpp:233
#16 0x00007f7c061578f3 in WebCore::DocumentWriter::end (this=0x6bdc80) at /home/balazs/master_clean/Source/WebCore/loader/DocumentWriter.cpp:212
#17 0x00007f7c0614b729 in WebCore::DocumentLoader::finishedLoading (this=0x6bdb60) at /home/balazs/master_clean/Source/WebCore/loader/DocumentLoader.cpp:284
#18 0x00007f7c06165647 in WebCore::FrameLoader::finishedLoading (this=0x695930) at /home/balazs/master_clean/Source/WebCore/loader/FrameLoader.cpp:2074
#19 0x00007f7c061816f9 in WebCore::MainResourceLoader::didFinishLoading (this=0x6c28c0, finishTime=0)

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