[Webkit-unassigned] [Bug 66375] New: http/tests/misc/font-face-in-multiple-segmented-faces.html assertion failure on Chromium

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Aug 17 06:45:10 PDT 2011 

https://bugs.webkit.org/show_bug.cgi?id=66375

           Summary: http/tests/misc/font-face-in-multiple-segmented-faces.
                    html assertion failure on Chromium
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: steveblock at google.com
                CC: joepeck at webkit.org


We're hitting an assertion failure due to m_purgePreventCount on multiple Chromium bots when running this LayoutTest. I suspect this is due to http://trac.webkit.org/changeset/93140. See also Bug 66328.

For example, a recent failure on a DEPS bot - http://build.chromium.org/p/chromium.webkit/builders/Webkit%20Win%20%28deps%29%28dbg%29%282%29/builds/6430

Stack trace from a debug build on a canary bot - http://build.chromium.org/p/chromium.webkit/builders/Webkit%20Win%20(dbg)(2)/builds/4810/steps/webkit_tests/logs/stdio ...

ASSERTION FAILED: m_purgePreventCount
Backtrace:
    WebCore::FontCache::getCachedFontData [0x016472A8+88] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\fontcache.cpp:280)
    WebCore::FontCache::getCachedFontData [0x01647239+73] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\fontcache.cpp:271)
    WebCore::FontCache::getLastResortFallbackFont [0x0167D8CB+283] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\chromium\fontcachechromiumwin.cpp:540)
    WebCore::FontCache::getNonRetainedLastResortFallbackFont [0x0164762C+28] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\fontcache.cpp:316)
    WebCore::CSSFontFaceSource::getFontData [0x01598D33+1443] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\css\cssfontfacesource.cpp:188)
    WebCore::CSSFontFace::getFontData [0x01595683+227] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\css\cssfontface.cpp:112)
    WebCore::CSSSegmentedFontFace::getFontData [0x0159C58D+445] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\css\csssegmentedfontface.cpp:106)
    WebCore::CSSFontSelector::getFontData [0x014F6EBC+1340] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\css\cssfontselector.cpp:575)
    WebCore::FontCache::getFontData [0x01647E43+211] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\fontcache.cpp:414)
    WebCore::FontFallbackList::fontDataAt [0x015F27ED+221] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\fontfallbacklist.cpp:105)
    WebCore::FontFallbackList::primaryFontData [0x00A5B6BC+28] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\fontfallbacklist.h:75)
    WebCore::FontFallbackList::primarySimpleFontData [0x00A5B667+87] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\fontfallbacklist.h:71)
    WebCore::Font::primaryFont [0x00A5B5F7+87] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\font.h:247)
    WebCore::Font::fontMetrics [0x00A5B566+22] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\platform\graphics\font.h:132)
    WebCore::RenderStyle::fontMetrics [0x00E99A03+35] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\rendering\style\renderstyle.h:479)
    WebCore::RenderTextControlSingleLine::createInnerTextStyle [0x02463F8C+236] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\rendering\rendertextcontrolsingleline.cpp:509)
    WebCore::TextControlInnerTextElement::styleForRenderer [0x0179B322+82] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\shadow\textcontrolinnerelements.cpp:110)
    WebCore::NodeRendererFactory::createRendererAndStyle [0x017F2AFA+202] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\dom\noderenderingcontext.cpp:299)
    WebCore::NodeRendererFactory::createRendererIfNeeded [0x017F2CB6+102] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\dom\noderenderingcontext.cpp:348)
    WebCore::Node::createRendererIfNeeded [0x0182A58E+46] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\dom\node.cpp:1463)
    WebCore::Element::attach [0x017EC529+57] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\dom\element.cpp:1017)
    WebCore::ContainerNode::attach [0x0185BA36+70] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\dom\containernode.cpp:767)
    WebCore::ShadowRoot::attach [0x0189FC88+104] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\dom\shadowroot.cpp:144)
    WebCore::Element::attach [0x017EC57C+140] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\dom\element.cpp:1025)
    WebCore::HTMLFormControlElement::attach [0x0172BDE8+88] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\htmlformcontrolelement.cpp:160)
    WebCore::HTMLInputElement::attach [0x01708F63+67] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\htmlinputelement.cpp:878)
    WebCore::HTMLConstructionSite::attach<WebCore::Element> [0x017E10A1+449] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmlconstructionsite.cpp:111)
    WebCore::HTMLConstructionSite::attachToCurrent [0x017DF5C8+56] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmlconstructionsite.cpp:265)
    WebCore::HTMLConstructionSite::insertSelfClosingHTMLElement [0x017DF9FE+110] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmlconstructionsite.cpp:301)
    WebCore::HTMLTreeBuilder::processStartTagForInBody [0x017C9D82+3442] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmltreebuilder.cpp:918)
    WebCore::HTMLTreeBuilder::processStartTag [0x017CB1D2+1282] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmltreebuilder.cpp:1231)
    WebCore::HTMLTreeBuilder::processToken [0x017C7BEC+108] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmltreebuilder.cpp:482)
    WebCore::HTMLTreeBuilder::constructTreeFromAtomicToken [0x017C79C3+35] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmltreebuilder.cpp:467)
    WebCore::HTMLTreeBuilder::constructTreeFromToken [0x017C7847+87] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmltreebuilder.cpp:454)
    WebCore::HTMLDocumentParser::pumpTokenizer [0x017AA6DF+479] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmldocumentparser.cpp:277)
    WebCore::HTMLDocumentParser::pumpTokenizerIfPossible [0x017AA02F+127] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmldocumentparser.cpp:176)
    WebCore::HTMLDocumentParser::append [0x017AAF35+277] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\html\parser\htmldocumentparser.cpp:369)
    WebCore::DecodedDataDocumentParser::flush [0x0189A01F+111] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\dom\decodeddatadocumentparser.cpp:60)
    WebCore::DocumentWriter::endIfNotLoadingMainResource [0x01129915+165] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\loader\documentwriter.cpp:227)
    WebCore::DocumentWriter::end [0x01129857+39] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\loader\documentwriter.cpp:210)
    WebCore::DocumentLoader::finishedLoading [0x0121F824+84] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\loader\documentloader.cpp:291)
    WebCore::FrameLoader::finishedLoading [0x0115E3D2+82] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\loader\frameloader.cpp:2060)
    WebCore::MainResourceLoader::didFinishLoading [0x014819B0+304] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\loader\mainresourceloader.cpp:486)
    WebCore::ResourceLoader::didFinishLoading [0x0147A7B1+97] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webcore\loader\resourceloader.cpp:474)
    WebCore::ResourceHandleInternal::didFinishLoading [0x00A6C2E0+144] (e:\b\build\slave\webkit_win__dbg__2_\build\src\third_party\webkit\source\webkit\chromium\src\resourcehandle.cpp:149)
    webkit_glue::WebURLLoaderImpl::Context::OnCompletedRequest [0x00B6F4A5+533] (e:\b\build\slave\webkit_win__dbg__2_\build\src\webkit\glue\weburlloader_impl.cc:631)
    `anonymous namespace'::RequestProxy::NotifyCompletedRequest [0x00AEE2D9+57] (e:\b\build\slave\webkit_win__dbg__2_\build\src\webkit\tools\test_shell\simple_resource_loader_bridge.cc:275)
     [0x00AF5921+33] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\tuple.h:564)
     [0x00AF4045+53] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\task.h:338)
    base::subtle::TaskClosureAdapter::Run [0x01F5A432+50] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\task.cc:56)
    base::internal::Invoker1<0,base::internal::InvokerStorage1<void (__thiscall base::subtle::TaskClosureAdapter::*)(void),base::subtle::TaskClosureAdapter *>,void (__thiscall base::subtle::TaskClosureAdapter::*)(void)>::DoInvoke [0x01F54A6D+45] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\bind_internal.h:595)
    base::Callback<void __cdecl(void)>::Run [0x00E152FF+47] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\callback.h:265)
    MessageLoop::RunTask [0x01F4B145+293] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\message_loop.cc:478)
    MessageLoop::DeferOrRunPendingTask [0x01F4B283+51] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\message_loop.cc:495)
    MessageLoop::DoWork [0x01F4BC5D+221] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\message_loop.cc:683)
    base::MessagePumpForUI::DoRunLoop [0x01FB7324+84] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\message_pump_win.cc:203)
    base::MessagePumpWin::RunWithDispatcher [0x01FB6BA2+130] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\message_pump_win.cc:51)
    base::MessagePumpWin::Run [0x01FB6E0C+28] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\message_pump_win.h:80)
    MessageLoop::RunInternal [0x01F4AE97+247] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\message_loop.cc:443)
    MessageLoop::RunHandler [0x01F4AC6E+46] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\message_loop.cc:417)
    MessageLoop::Run [0x01F4A57A+58] (e:\b\build\slave\webkit_win__dbg__2_\build\src\base\message_loop.cc:341)
    webkit_support::RunMessageLoop [0x008FAACF+15] (e:\b\build\slave\webkit_win__dbg__2_\build\src\webkit\support\webkit_support.cc:383)

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