[Interest] Random crash in QtWebkit / Qt 5.3

[Cornelius Hald]

I've now rebuild Qt and QtWebkit with debug symbols and was able to
catch the error. The bugreport can be found here:

https://bugreports.qt-project.org/browse/QTBUG-38841

Cheers,
Conny


On Wed, 2014-05-07 at 12:45 +0200, Cornelius Hald wrote:
> Hi guys!
> 
> The crash still happens with the latest RC-snapshot. Only now the
> addresses have changed. Can I find the debug symbols for those builds
> somewhere? 
> 
> This backtrace was done using:
> http://qt-mirror.dannhauer.de/snapshots/qt/5.3/5.3.0-RC/2014-05-07_85/qt-opensource-linux-x64-5.3.0-RC_2014-05-06_23-24-27-76.run
> 
> /home/conny/Qt5.3.0-snap/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xba6f9d)
> [0x7f17202c2f9d]
> /home/conny/Qt5.3.0-snap/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbb1cff)
> [0x7f17202cdcff]
> /home/conny/Qt5.3.0-snap/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbb2ec7)
> [0x7f17202ceec7]
> /home/conny/Qt5.3.0-snap/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbb2f3f)
> [0x7f17202cef3f]
> /home/conny/Qt5.3.0-snap/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbacbaa)
> [0x7f17202c8baa]
> /home/conny/Qt5.3.0-snap/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbad014)
> [0x7f17202c9014]
> /home/conny/Qt5.3.0-snap/5.3/gcc_64/lib/libQt5WebKit.so.5(+0x6628a7)
> [0x7f171fd7e8a7]
> /home/conny/Qt5.3.0-snap/5.3/gcc_64/lib/libQt5Quick.so.5(_ZN16QSGBatchRenderer8Renderer16renderRenderNodeEPNS_5BatchE+0x2d5) [0x7f172241f485]
> /home/conny/Qt5.3.0-snap/5.3/gcc_64/lib/libQt5Quick.so.5(_ZN16QSGBatchRenderer8Renderer13renderBatchesEv+0x32d) [0x7f1722422fed]
> 
> Cheers,
> Conny
> 
> 
> On Wed, 2014-05-07 at 12:08 +0200, Cornelius Hald wrote:
> > Hi guys,
> > 
> > I don't have a lot of information yet, but maybe someone here can help
> > me figure out where that Crash is happening, so I can properly report
> > it.
> > 
> > I'm using 5.3.0 Beta. The crash seems to happen only (or more often) in
> > release builds. It happens on Linux and Windows.
> > 
> > So far I have only the following backtrace generated by the crashing app
> > itself.
> > 
> > My app shows some local static web pages. The crash seems to be
> > independent of the web page that is currently shown. Sometimes it
> > happens on page A, sometime on B or C, etc. There seems to be no
> > pattern.
> > 
> > Here is the trace:
> > 
> > Crash. Received signal: 11 
> > /home/conny/workspace/build-html5-player-Desktop_Qt_5_3_0_GCC_64bit-Release/bin/html5-player(_Z7handleri+0x26) [0x42a986] 
> > /lib64/libpthread.so.0(+0xf750) [0x7f3c68501750] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbb1cec)
> > [0x7f3c6b166cec] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbb2ec7)
> > [0x7f3c6b167ec7] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbb2f3f)
> > [0x7f3c6b167f3f] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbacbaa)
> > [0x7f3c6b161baa] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5WebKit.so.5(+0xbad014)
> > [0x7f3c6b162014] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5WebKit.so.5(+0x6628a7)
> > [0x7f3c6ac178a7] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(_ZN16QSGBatchRenderer8Renderer16renderRenderNodeEPNS_5BatchE+0x2d5) [0x7f3c6d2ab305] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(_ZN16QSGBatchRenderer8Renderer13renderBatchesEv+0x32d) [0x7f3c6d2aee6d] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(_ZN16QSGBatchRenderer8Renderer6renderEv+0x32a) [0x7f3c6d2b572a] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(_ZN11QSGRenderer11renderSceneERK11QSGBindable+0x9e) [0x7f3c6d2c18ae] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(_ZN11QSGRenderer11renderSceneEv+0x17) [0x7f3c6d2c1ca7] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(_ZN16QSGRenderContext15renderNextFrameEP11QSGRendererj+0x68) [0x7f3c6d2cf568] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(_ZN19QQuickWindowPrivate16renderSceneGraphERK5QSize+0x1e8) [0x7f3c6d30e388] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(+0x17026b)
> > [0x7f3c6d2f026b] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(+0x17060f)
> > [0x7f3c6d2f060f] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Quick.so.5(+0x170894)
> > [0x7f3c6d2f0894] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Widgets.so.5(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0xb4) [0x7f3c69eb8764] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Widgets.so.5(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x676) [0x7f3c69ebbde6] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Core.so.5(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x84) [0x7f3c68c45dd4] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Core.so.5(_ZN14QTimerInfoList14activateTimersEv+0x514) [0x7f3c68c9f8a4] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Core.so.5(+0x328b5d)
> > [0x7f3c68c9fb5d] 
> > /lib64/libglib-2.0.so.0(g_main_context_dispatch+0x166) [0x7f3c65f882a6] 
> > /lib64/libglib-2.0.so.0(+0x49628) [0x7f3c65f88628] 
> > /lib64/libglib-2.0.so.0(g_main_context_iteration+0x2c) [0x7f3c65f886dc] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Core.so.5(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0xc3) [0x7f3c68ca04a3] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Core.so.5(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0xcb) [0x7f3c68c43feb] 
> > /home/conny/Qt5.3.0/5.3/gcc_64/lib/libQt5Core.so.5(_ZN16QCoreApplication4execEv+0x85) [0x7f3c68c48eb5] 
> > /home/conny/workspace/build-html5-player-Desktop_Qt_5_3_0_GCC_64bit-Release/bin/html5-player(main+0x87c) [0x42963c] 
> > 
> > 
> > It would be really great if anyone can help me with that.
> > 
> > Thanks!
> > Conny
> > 
> > 
> > 
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