[Webkit-unassigned] [Bug 66519] ASSERTION FAILED: WebCore/platform/graphics/FontCache.cpp(280)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=66519


Nikolas Zimmermann <zimmermann at kde.org> changed:

           What    |Removed                     |Added
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                 CC|                            |zimmermann at kde.org




--- Comment #5 from Nikolas Zimmermann <zimmermann at kde.org>  2012-03-09 03:54:05 PST ---
(In reply to comment #4)
> Is this a duplicate of bug 66774?

I've also seen this, when running layout tests under guard malloc. nrwt -p -g svg, reproduce this for me cleanly:

ASSERTION FAILED: m_purgePreventCount
/Users/nzimmermann/Coding/WebKit/Source/WebCore/platform/graphics/FontCache.cpp(280) : WebCore::SimpleFontData *WebCore::FontCache::getCachedFontData(const WebCore::FontPlatformData *, WebCore::FontCache::ShouldRetain)
1   0x1117c9154 WebCore::FontCache::getCachedFontData(WebCore::FontPlatformData const*, WebCore::FontCache::ShouldRetain)
2   0x1117d9711 WebCore::FontCache::getFontDataForCharacters(WebCore::Font const&, unsigned short const*, int)
3   0x1117dfd2d WebCore::Font::glyphDataAndPageForCharacter(int, bool, WebCore::FontDataVariant) const
4   0x1124f0769 WebCore::SVGTextRunRenderingContext::glyphDataForCharacter(WebCore::Font const&, WebCore::TextRun const&, WebCore::WidthIterator&, int, bool, int, unsigned int&)
5   0x112973d96 WebCore::WidthIterator::glyphDataForCharacter(int, bool, int, unsigned int&)
6   0x1129740b9 WebCore::WidthIterator::advance(int, WebCore::GlyphBuffer*)
7   0x1124f18b1 WebCore::SVGTextMetricsBuilder::advanceSimpleText()
8   0x1124f163c WebCore::SVGTextMetricsBuilder::advance()
9   0x1124f1e77 WebCore::SVGTextMetricsBuilder::measureTextRenderer(WebCore::RenderSVGInlineText*, WebCore::MeasureTextData*)
10  0x1124f228a WebCore::SVGTextMetricsBuilder::walkTree(WebCore::RenderObject*, WebCore::RenderSVGInlineText*, WebCore::MeasureTextData*)
11  0x1124eb10e WebCore::SVGTextMetricsBuilder::measureTextRenderer(WebCore::RenderSVGInlineText*)
12  0x1124d80ef WebCore::SVGTextLayoutAttributesBuilder::rebuildMetricsForTextRenderer(WebCore::RenderSVGInlineText*)
13  0x1124c132b WebCore::RenderSVGText::rebuildLayoutAttributes(WTF::Vector<WebCore::SVGTextLayoutAttributes*, 0ul>&)
14  0x1124c109e WebCore::RenderSVGInlineText::willBeDestroyed()
15  0x11248909d WebCore::RenderObject::destroy()
16  0x112488f8d WebCore::RenderObject::destroyAndCleanupAnonymousWrappers()
17  0x112243f24 WebCore::Node::detach()
18  0x1112fbf37 WebCore::ContainerNode::detachChildren()
19  0x1112f99d9 WebCore::ContainerNode::detach()
20  0x11173c032 WebCore::Element::detach()
21  0x1112fbf37 WebCore::ContainerNode::detachChildren()
22  0x1112f99d9 WebCore::ContainerNode::detach()
23  0x11173c032 WebCore::Element::detach()
24  0x1112fbf37 WebCore::ContainerNode::detachChildren()
25  0x1112f99d9 WebCore::ContainerNode::detach()
26  0x11173c032 WebCore::Element::detach()
27  0x1112fbf37 WebCore::ContainerNode::detachChildren()
28  0x1112f99d9 WebCore::ContainerNode::detach()
29  0x1115473dc WebCore::Document::detach()
30  0x111804f42 WebCore::Frame::setView(WTF::PassRefPtr<WebCore::FrameView>)
31  0x110aea1c1 WebFrameLoaderClient::transitionToCommittedForNewPage()

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