[Webkit-unassigned] [Bug 96531] [Qt][WK2] REGRESSION(r128245): It made zillion API tests fail

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Sep 13 02:56:18 PDT 2012 

https://bugs.webkit.org/show_bug.cgi?id=96531


Andras Becsi <abecsi at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |abecsi at webkit.org




--- Comment #2 from Andras Becsi <abecsi at webkit.org>  2012-09-13 02:56:42 PST ---
(In reply to comment #1)
> It looks like the web process is crashing? Do you have web process crash logs?

(gdb) r
Starting program: /home/abecsi/devel/git/webkit-git-svn/WebKitBuild/Debug/Source/WebKit2/UIProcess/API/qt/tests/qmltests/tst_qmltests_WebView

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff977fc700 (LWP 26276)]
0x00007ffff4793fdf in WebKit::WebChromeClient::contentsSizeChanged (this=0x466720, frame=0x476d30, size=...) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp:448
448             m_page->drawingArea()->layerTreeHost()->sizeDidChange(m_page->size());
(gdb) bt
#0  0x00007ffff4793fdf in WebKit::WebChromeClient::contentsSizeChanged (this=0x466720, frame=0x476d30, size=...) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp:448
#1  0x00007ffff50678d9 in WebCore::Chrome::contentsSizeChanged (this=0x4680e0, frame=0x476d30, size=...) at /home/abecsi/devel/git/webkit-git-svn/Source/WebCore/page/Chrome.cpp:125
#2  0x00007ffff50c6814 in WebCore::FrameView::setContentsSize (this=0x4874c0, size=...) at /home/abecsi/devel/git/webkit-git-svn/Source/WebCore/page/FrameView.cpp:547
#3  0x00007ffff50c69eb in WebCore::FrameView::adjustViewSize (this=0x4874c0) at /home/abecsi/devel/git/webkit-git-svn/Source/WebCore/page/FrameView.cpp:567
#4  0x00007ffff50c88b6 in WebCore::FrameView::layout (this=0x4874c0, allowSubtree=false) at /home/abecsi/devel/git/webkit-git-svn/Source/WebCore/page/FrameView.cpp:1192
#5  0x00007ffff50d1625 in WebCore::FrameView::forceLayout (this=0x4874c0, allowSubtree=false) at /home/abecsi/devel/git/webkit-git-svn/Source/WebCore/page/FrameView.cpp:3371
#6  0x00007ffff47ea4f5 in WebKit::WebPage::setFixedLayoutSize (this=0x467560, size=...) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/WebPage/WebPage.cpp:1124
#7  0x00007ffff47e97f0 in WebKit::WebPage::setResizesToContentsUsingLayoutSize (this=0x467560, targetLayoutSize=...) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/WebPage/WebPage.cpp:911
#8  0x00007ffff47e9b56 in WebKit::WebPage::sendViewportAttributesChanged (this=0x467560) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/WebPage/WebPage.cpp:952
#9  0x00007ffff47e9c34 in WebKit::WebPage::setViewportSize (this=0x467560, size=...) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/WebPage/WebPage.cpp:965
#10 0x00007ffff4871125 in CoreIPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(WebCore::IntSize const&), WebCore::IntSize> (args=..., object=0x467560, function=
    (void (WebKit::WebPage::*)(WebKit::WebPage * const, const WebCore::IntSize &)) 0x7ffff47e9b9e <WebKit::WebPage::setViewportSize(WebCore::IntSize const&)>)
    at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/Platform/CoreIPC/HandleMessage.h:19
#11 0x00007ffff486e7e9 in CoreIPC::handleMessage<Messages::WebPage::SetViewportSize, WebKit::WebPage, void (WebKit::WebPage::*)(WebCore::IntSize const&)> (argumentDecoder=0x7fff98004a80, object=0x467560, function=
    (void (WebKit::WebPage::*)(WebKit::WebPage * const, const WebCore::IntSize &)) 0x7ffff47e9b9e <WebKit::WebPage::setViewportSize(WebCore::IntSize const&)>)
    at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/Platform/CoreIPC/HandleMessage.h:302
#12 0x00007ffff486be28 in WebKit::WebPage::didReceiveWebPageMessage (this=0x467560, messageID=..., arguments=0x7fff98004a80) at generated/WebPageMessageReceiver.cpp:280
#13 0x00007ffff47f04a8 in WebKit::WebPage::didReceiveMessage (this=0x467560, connection=0x451cd0, messageID=..., arguments=0x7fff98004a80) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/WebPage/WebPage.cpp:2692
#14 0x00007ffff4803658 in WebKit::WebProcess::didReceiveMessage (this=0x451800, connection=0x451cd0, messageID=..., arguments=0x7fff98004a80) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/WebProcess.cpp:711
#15 0x00007ffff4800ffe in WebKit::WebConnectionToUIProcess::didReceiveMessage (this=0x451c80, connection=0x451cd0, messageID=..., arguments=0x7fff98004a80)
    at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/WebConnectionToUIProcess.cpp:87
#16 0x00007ffff45a2dae in CoreIPC::Connection::dispatchMessage (this=0x451cd0, message=...) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/Platform/CoreIPC/Connection.cpp:691
#17 0x00007ffff45a2f9f in CoreIPC::Connection::dispatchOneMessage (this=0x451cd0) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/Platform/CoreIPC/Connection.cpp:717
#18 0x00007ffff45acfb3 in WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>::operator() (this=0x7fff98004b10, c=0x451cd0) at /home/abecsi/devel/git/webkit-git-svn/Source/WTF/wtf/Functional.h:174
#19 0x00007ffff45acd6c in WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>, void (CoreIPC::Connection*)>::operator()() (this=0x7fff98004b00) at /home/abecsi/devel/git/webkit-git-svn/Source/WTF/wtf/Functional.h:406
#20 0x00007ffff4632fd6 in WTF::Function<void ()>::operator()() const (this=0x7fffffffd5c0) at /home/abecsi/devel/git/webkit-git-svn/Source/WTF/wtf/Functional.h:614
#21 0x00007ffff51d180e in WebCore::RunLoop::performWork (this=0x44f790) at /home/abecsi/devel/git/webkit-git-svn/Source/WebCore/platform/RunLoop.cpp:102
#22 0x00007ffff54ee0d0 in WebCore::RunLoop::TimerObject::performWork (this=0x44e9d0) at /home/abecsi/devel/git/webkit-git-svn/Source/WebCore/platform/qt/RunLoopQt.cpp:48
#23 0x00007ffff54eeb78 in WebCore::RunLoop::TimerObject::qt_static_metacall (_o=0x44e9d0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff98002fe0) at ./RunLoopQt.moc:69
#24 0x00007ffff33aee9e in QObject::event(QEvent*) () from /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5
#25 0x00007ffff3be507c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtWidgets.so.5
#26 0x00007ffff3be8280 in QApplication::notify(QObject*, QEvent*) () from /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtWidgets.so.5
#27 0x00007ffff338992e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5
#28 0x00007ffff338b79e in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5
#29 0x00007ffff33d0eb3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5
#30 0x00007fffecc4c475 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#31 0x00007fffecc4c7a8 in ?? () from /usr/lib/libglib-2.0.so.0
#32 0x00007fffecc4c864 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#33 0x00007ffff33d105b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5
#34 0x00007ffff33887eb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5
#35 0x00007ffff338bf4c in QCoreApplication::exec() () from /home/abecsi/devel/git/qt5_build/qtbase/lib/libQtCore.so.5
#36 0x00007ffff54ee307 in WebCore::RunLoop::run () at /home/abecsi/devel/git/webkit-git-svn/Source/WebCore/platform/qt/RunLoopQt.cpp:69
#37 0x00007ffff4816333 in WebKit::WebProcessMainQt (app=0x40f240) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/WebProcess/qt/WebProcessMainQt.cpp:195
#38 0x000000000040100c in main (argc=2, argv=0x7fffffffe328) at /home/abecsi/devel/git/webkit-git-svn/Source/WebKit2/qt/MainQt.cpp:87

For this testcase m_page->drawingArea() is allways null at this point.

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