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Segfault on QOpenGLWidget #451

Open ObserverHerb opened 7 years ago

ObserverHerb commented 7 years ago

http://vitorteixeira.me/Solar-System-Motion-Simulator/

When running the above URL through QtTestBrowser and Enable WebGL on, enabling QGLWidget or QOpenGLWidget crashes with the following message:

http://vitorteixeira.me/Solar-System-Motion-Simulator/js/THREE-r72.js:%2" "THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter. ( textures/jupiter.jpg )" Segmentation fault (core dumped)

Graphics chip is Intel Skylake. Doesn't seem to affect my nVidia machine.

ObserverHerb commented 7 years ago

Correction. I still get the "power of two" error on nVidia card and nVidia card segfaults on QOpenGLWidget but not QGLWidget.

Intel card segfaults on both.

I'll get you a backtrace in a sec.

ObserverHerb commented 7 years ago

backtrace


#0  0x00007ffff464bbfd in QOpenGLContextPrivate::maxTextureSize() () from /usr/local/lib/libQt5Gui.so.5
#1  0x00007ffff49013ee in QOpenGL2PaintEngineEx::drawImage(QRectF const&, QImage const&, QRectF const&, QFlags<Qt::ImageConversionFlag>) () from /usr/local/lib/libQt5Gui.so.5
#2  0x00007ffff4906983 in QOpenGL2PaintEngineEx::drawPixmap(QRectF const&, QPixmap const&, QRectF const&) () from /usr/local/lib/libQt5Gui.so.5
#3  0x00007ffff484681d in QPainter::drawPixmap(QRectF const&, QPixmap const&, QRectF const&) () from /usr/local/lib/libQt5Gui.so.5
#4  0x00007ffff6b28eb2 in WebCore::StillImage::draw(WebCore::GraphicsContext&, WebCore::FloatRect const&, WebCore::FloatRect const&, WebCore::CompositeOperator, WebCore::BlendMode, WebCore::ImageOrientationDescription) () from /data/src/webkit/lib/libQt5WebKit.so.5
#5  0x00007ffff69cf3b7 in WebCore::GraphicsContext::drawImage(WebCore::Image&, WebCore::FloatRect const&, WebCore::ImagePaintingOptions const&) ()
   from /data/src/webkit/lib/libQt5WebKit.so.5
#6  0x00007ffff63c7c73 in WebCore::HTMLCanvasElement::paint(WebCore::GraphicsContext&, WebCore::LayoutRect const&) () from /data/src/webkit/lib/libQt5WebKit.so.5
#7  0x00007ffff61843f8 in WebCore::RenderHTMLCanvas::paintReplaced(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /data/src/webkit/lib/libQt5WebKit.so.5
#8  0x00007ffff6286eff in WebCore::RenderReplaced::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /data/src/webkit/lib/libQt5WebKit.so.5
#9  0x00007ffff61d248d in WebCore::RenderLayer::paintForegroundForFragmentsWithPhase(WebCore::PaintPhase, WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*) () from /data/src/webkit/lib/libQt5WebKit.so.5
#10 0x00007ffff6290924 in WebCore::RenderLayer::paintForegroundForFragments(WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::GraphicsContext&, WebCore::GraphicsContext&, WebCore::LayoutRect const&, bool, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*, bool) () from /data/src/webkit/lib/libQt5WebKit.so.5
#11 0x00007ffff62ab346 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) ()
   from /data/src/webkit/lib/libQt5WebKit.so.5
#12 0x00007ffff62ac198 in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) ()
   from /data/src/webkit/lib/libQt5WebKit.so.5
#13 0x00007ffff62b48b5 in WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) () from /data/src/webkit/lib/libQt5WebKit.so.5
#14 0x00007ffff62aae12 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) ()
   from /data/src/webkit/lib/libQt5WebKit.so.5
#15 0x00007ffff62ac198 in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) ()
   from /data/src/webkit/lib/libQt5WebKit.so.5
#16 0x00007ffff62b48b5 in WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) () from /data/src/webkit/lib/libQt5WebKit.so.5
#17 0x00007ffff62aae2f in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) ()
   from /data/src/webkit/lib/libQt5WebKit.so.5
#18 0x00007ffff62ac198 in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) ()
   from /data/src/webkit/lib/libQt5WebKit.so.5
#19 0x00007ffff62ac2bd in WebCore::RenderLayer::paint(WebCore::GraphicsContext&, WebCore::LayoutRect const&, WebCore::LayoutSize const&, unsigned int, WebCore::RenderObject*, unsigned int)
    () from /data/src/webkit/lib/libQt5WebKit.so.5
#20 0x00007ffff68d11a1 in WebCore::FrameView::paintContents(WebCore::GraphicsContext&, WebCore::IntRect const&) () from /data/src/webkit/lib/libQt5WebKit.so.5
#21 0x00007ffff57b7d0f in QWebFrameAdapter::renderRelativeCoords(QPainter*, int, QRegion const&) () from /data/src/webkit/lib/libQt5WebKit.so.5
#22 0x00007ffff7fce62e in QWebFrame::render(QPainter*, QFlags<QWebFrame::RenderLayer>, QRegion const&) () from /data/src/webkit/lib/libQt5WebKitWidgets.so.5
#23 0x00007ffff7fcbf9a in QGraphicsWebView::paint(QPainter*, QStyleOptionGraphicsItem const*, QWidget*) () from /data/src/webkit/lib/libQt5WebKitWidgets.so.5
#24 0x00007ffff4ec9195 in ?? () from /usr/local/lib/libQt5Widgets.so.5
#25 0x00007ffff4ed91f2 in ?? () from /usr/local/lib/libQt5Widgets.so.5
#26 0x00007ffff4edb4b4 in ?? () from /usr/local/lib/libQt5Widgets.so.5
#27 0x00007ffff4edc07e in ?? () from /usr/local/lib/libQt5Widgets.so.5
#28 0x00007ffff4edc73a in ?? () from /usr/local/lib/libQt5Widgets.so.5
#29 0x00007ffff4efe0da in QGraphicsView::paintEvent(QPaintEvent*) () from /usr/local/lib/libQt5Widgets.so.5
#30 0x00007ffff4c10ff8 in QWidget::event(QEvent*) () from /usr/local/lib/libQt5Widgets.so.5
#31 0x00007ffff4cf7b3e in QFrame::event(QEvent*) () from /usr/local/lib/libQt5Widgets.so.5
#32 0x00007ffff4efcbbb in QGraphicsView::viewportEvent(QEvent*) () from /usr/local/lib/libQt5Widgets.so.5
#33 0x00007ffff428e072 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/local/lib/libQt5Core.so.5
#34 0x00007ffff4bc9cd5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/local/lib/libQt5Widgets.so.5
#35 0x00007ffff4bd1716 in QApplication::notify(QObject*, QEvent*) () from /usr/local/lib/libQt5Widgets.so.5
#36 0x00007ffff428e308 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/local/lib/libQt5Core.so.5```
annulen commented 7 years ago

What Qt version is it? Also it would be better to get backtrace with debug info in Qt, to see line numbers in Qt functions

ObserverHerb commented 7 years ago

Qt 5.8. I'll get you a better backtrace soon as I'm in front of the machine that has the debug version built.

ObserverHerb commented 7 years ago 
#0  0x00007ffff005e637 in QOpenGLFunctions_1_0::glGetTexLevelParameteriv (this=0x485a260, target=32868, level=0, pname=4096, params=0x7fffffff8c80) at ../../include/QtGui/../../src/gui/opengl/qopenglfunctions_1_0.h:408
#1  0x00007ffff005b215 in QOpenGLContextPrivate::maxTextureSize (this=0x33b4040) at kernel/qopenglcontext.cpp:387
#2  0x00007ffff036bad4 in QOpenGL2PaintEngineEx::drawImage (this=0x394dbe0, dest=..., image=..., src=...) at opengl/qopenglpaintengine.cpp:1469
#3  0x00007ffff036b6b1 in QOpenGL2PaintEngineEx::drawPixmap (this=0x394dbe0, dest=..., pixmap=..., src=...) at opengl/qopenglpaintengine.cpp:1435
#4  0x00007ffff027ad85 in QPainter::drawPixmap (this=0x7fffffffb120, r=..., pm=..., sr=...) at painting/qpainter.cpp:5198
#5  0x00007ffff37272fe in (anonymous namespace)::StillImage::draw (this=0x7fff49547330, ctxt=..., dst=..., src=..., op=(anonymous namespace)::CompositeSourceOver, blendMode=(anonymous namespace)::BlendModeNormal)
    at /home/hmiller/src/qt/webkit/Source/WebCore/platform/graphics/qt/StillImageQt.cpp:100
#6  0x00007ffff356dcbc in (anonymous namespace)::GraphicsContext::drawImage (this=0x7fffffffa5d0, image=..., destination=..., source=..., imagePaintingOptions=...)
    at /home/hmiller/src/qt/webkit/Source/WebCore/platform/graphics/GraphicsContext.cpp:747
#7  0x00007ffff400b60b in (anonymous namespace)::ImageBufferDataPrivateUnaccelerated::draw (this=0xa8ecf0, destContext=..., destRect=..., srcRect=..., op=(anonymous namespace)::CompositeSourceOver, 
    blendMode=(anonymous namespace)::BlendModeNormal, ownContext=false) at /home/hmiller/src/qt/webkit/Source/WebCore/platform/graphics/qt/ImageBufferDataQt.cpp:419
#8  0x00007ffff371ab4d in (anonymous namespace)::ImageBuffer::draw (this=0x7fff49547300, destContext=..., destRect=..., srcRect=..., op=(anonymous namespace)::CompositeSourceOver, blendMode=(anonymous namespace)::BlendModeNormal)
    at /home/hmiller/src/qt/webkit/Source/WebCore/platform/graphics/qt/ImageBufferQt.cpp:127
#9  0x00007ffff356e172 in (anonymous namespace)::GraphicsContext::drawImageBuffer (this=0x7fffffffa5d0, image=..., destination=..., source=..., imagePaintingOptions=...)
    at /home/hmiller/src/qt/webkit/Source/WebCore/platform/graphics/GraphicsContext.cpp:801
#10 0x00007ffff356e0d9 in (anonymous namespace)::GraphicsContext::drawImageBuffer (this=0x7fffffffa5d0, image=..., destination=..., imagePaintingOptions=...)
    at /home/hmiller/src/qt/webkit/Source/WebCore/platform/graphics/GraphicsContext.cpp:792
#11 0x00007ffff2a895fa in (anonymous namespace)::HTMLCanvasElement::paint (this=0x7fff7e4fcd80, context=..., r=...) at /home/hmiller/src/qt/webkit/Source/WebCore/html/HTMLCanvasElement.cpp:438
#12 0x00007ffff26f927d in (anonymous namespace)::RenderHTMLCanvas::paintReplaced (this=0x7fff7c15b098, paintInfo=..., paintOffset=...) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderHTMLCanvas.cpp:89
#13 0x00007ffff276ff54 in (anonymous namespace)::RenderReplaced::paint (this=0x7fff7c15b098, paintInfo=..., paintOffset=...) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderReplaced.cpp:189
#14 0x00007ffff2719c95 in (anonymous namespace)::RenderLayer::paintForegroundForFragmentsWithPhase (this=0x7fff495dda20, phase=(anonymous namespace)::PaintPhaseForeground, layerFragments=..., context=..., localPaintingInfo=..., 
    paintBehavior=0, subtreePaintRootForRenderer=0x0) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:4737
#15 0x00007ffff271999b in (anonymous namespace)::RenderLayer::paintForegroundForFragments (this=0x7fff495dda20, layerFragments=..., context=..., transparencyLayerContext=..., transparencyPaintDirtyRect=..., haveTransparency=false, 
    localPaintingInfo=..., paintBehavior=0, subtreePaintRootForRenderer=0x0, selectionOnly=false) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:4714
#16 0x00007ffff2717b32 in (anonymous namespace)::RenderLayer::paintLayerContents (this=0x7fff495dda20, originalContext=..., paintingInfo=..., paintFlags=96) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:4342
#17 0x00007ffff27162df in (anonymous namespace)::RenderLayer::paintLayerContentsAndReflection (this=0x7fff495dda20, context=..., paintingInfo=..., paintFlags=96) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:3998
#18 0x00007ffff2716197 in (anonymous namespace)::RenderLayer::paintLayer (this=0x7fff495dda20, context=..., paintingInfo=..., paintFlags=96) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:3980
#19 0x00007ffff27183fb in (anonymous namespace)::RenderLayer::paintList (this=0x7fff495ddea0, list=0x7fff7c0a8f10, context=..., paintingInfo=..., paintFlags=96) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:4448
#20 0x00007ffff2717bc4 in (anonymous namespace)::RenderLayer::paintLayerContents (this=0x7fff495ddea0, originalContext=..., paintingInfo=..., paintFlags=96) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:4350
#21 0x00007ffff27162df in (anonymous namespace)::RenderLayer::paintLayerContentsAndReflection (this=0x7fff495ddea0, context=..., paintingInfo=..., paintFlags=96) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:3998
#22 0x00007ffff2716197 in (anonymous namespace)::RenderLayer::paintLayer (this=0x7fff495ddea0, context=..., paintingInfo=..., paintFlags=96) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:3980
#23 0x00007ffff27183fb in (anonymous namespace)::RenderLayer::paintList (this=0x7fff7e521360, list=0x7fff7c0a8ef0, context=..., paintingInfo=..., paintFlags=96) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:4448
#24 0x00007ffff2717bff in (anonymous namespace)::RenderLayer::paintLayerContents (this=0x7fff7e521360, originalContext=..., paintingInfo=..., paintFlags=96) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:4353
#25 0x00007ffff27162df in (anonymous namespace)::RenderLayer::paintLayerContentsAndReflection (this=0x7fff7e521360, context=..., paintingInfo=..., paintFlags=0) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:3998
#26 0x00007ffff2716197 in (anonymous namespace)::RenderLayer::paintLayer (this=0x7fff7e521360, context=..., paintingInfo=..., paintFlags=0) at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:3980
#27 0x00007ffff2715031 in (anonymous namespace)::RenderLayer::paint (this=0x7fff7e521360, context=..., damageRect=..., subpixelAccumulation=..., paintBehavior=0, subtreePaintRoot=0x0, paintFlags=0)
    at /home/hmiller/src/qt/webkit/Source/WebCore/rendering/RenderLayer.cpp:3784
#28 0x00007ffff341eba6 in (anonymous namespace)::FrameView::paintContents (this=0x7fffe0307200, context=..., dirtyRect=...) at /home/hmiller/src/qt/webkit/Source/WebCore/page/FrameView.cpp:4092
#29 0x00007ffff1839675 in QWebFrameAdapter::renderRelativeCoords (this=0x955310, painter=0x7fffffffb120, layers=255, clip=...) at /home/hmiller/src/qt/webkit/Source/WebKit/qt/WebCoreSupport/QWebFrameAdapter.cpp:530
#30 0x00007ffff7fb9ba6 in QWebFrame::render (this=0x9888e0, painter=0x7fffffffb120, layer=..., clip=...) at /home/hmiller/src/qt/webkit/Source/WebKit/qt/WidgetApi/qwebframe.cpp:631
#31 0x00007ffff7fb4910 in QGraphicsWebView::paint (this=0x9fb010, painter=0x7fffffffb120, option=0x54a478) at /home/hmiller/src/qt/webkit/Source/WebKit/qt/WidgetApi/qgraphicswebview.cpp:254
#32 0x00007ffff0b06c47 in _q_paintItem (item=0x9fb020, painter=0x7fffffffb120, option=0x54a478, widget=0xb22090, useWindowOpacity=true, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4310
#33 0x00007ffff0b07337 in QGraphicsScenePrivate::drawItemHelper (this=0x54a260, item=0x9fb020, painter=0x7fffffffb120, option=0x54a478, widget=0xb22090, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4406
#34 0x00007ffff0b0a7ef in QGraphicsScenePrivate::draw (this=0x54a260, item=0x9fb020, painter=0x7fffffffb120, viewTransform=0x0, transformPtr=0x94dda0, exposedRegion=0xb3a7e0, widget=0xb22090, opacity=1, effectTransform=0x0, 
    wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4962
#35 0x00007ffff0b09f75 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x54a260, item=0x9fb020, painter=0x7fffffffb120, viewTransform=0x0, exposedRegion=0xb3a7e0, widget=0xb22090, parentOpacity=1, effectTransform=0x0)
    at graphicsview/qgraphicsscene.cpp:4853
#36 0x00007ffff0b091e0 in QGraphicsScenePrivate::drawItems (this=0x54a260, painter=0x7fffffffb120, viewTransform=0x0, exposedRegion=0xb3a7e0, widget=0xb22090) at graphicsview/qgraphicsscene.cpp:4714
#37 0x00007ffff0b419a8 in QGraphicsView::paintEvent (this=0x5aab40, event=0x7fffffffba90) at graphicsview/qgraphicsview.cpp:3545
#38 0x0000000000431f2f in WebViewGraphicsBased::paintEvent (this=0x5aab40, event=0x7fffffffba90) at /home/hmiller/src/qt/webkit/Tools/QtTestBrowser/webview.cpp:242
#39 0x00007ffff07292e6 in QWidget::event (this=0x5aab40, event=0x7fffffffba90) at kernel/qwidget.cpp:8932
#40 0x00007ffff08773ef in QFrame::event (this=0x5aab40, e=0x7fffffffba90) at widgets/qframe.cpp:550
#41 0x00007ffff09315c2 in QAbstractScrollArea::viewportEvent (this=0x5aab40, e=0x7fffffffba90) at widgets/qabstractscrollarea.cpp:1207
#42 0x00007ffff0b3f19e in QGraphicsView::viewportEvent (this=0x5aab40, event=0x7fffffffba90) at graphicsview/qgraphicsview.cpp:2968
#43 0x00007ffff0932903 in QAbstractScrollAreaPrivate::viewportEvent (this=0xb3a310, event=0x7fffffffba90) at widgets/qabstractscrollarea_p.h:112
#44 0x00007ffff09329ee in QAbstractScrollAreaFilter::eventFilter (this=0x5a5990, o=0xb22090, e=0x7fffffffba90) at widgets/qabstractscrollarea_p.h:128
#45 0x00007fffefb85927 in QCoreApplicationPrivate::sendThroughObjectEventFilters (receiver=0xb22090, event=0x7fffffffba90) at kernel/qcoreapplication.cpp:1099
#46 0x00007ffff06d1f8d in QApplicationPrivate::notify_helper (this=0x46de00, receiver=0xb22090, e=0x7fffffffba90) at kernel/qapplication.cpp:3741
#47 0x00007ffff06d1dba in QApplication::notify (this=0x7fffffffdcf0, receiver=0xb22090, e=0x7fffffffba90) at kernel/qapplication.cpp:3708
#48 0x00007fffefb8552f in QCoreApplication::notifyInternal2 (receiver=0xb22090, event=0x7fffffffba90) at kernel/qcoreapplication.cpp:988
#49 0x00007ffff06d4de8 in QCoreApplication::sendSpontaneousEvent (receiver=0xb22090, event=0x7fffffffba90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#50 0x00007ffff071ffcb in QWidgetPrivate::sendPaintEvent (this=0xb1e8b0, toBePainted=...) at kernel/qwidget.cpp:5704
#51 0x00007ffff071fab5 in QWidgetPrivate::drawWidget (this=0xb1e8b0, pdev=0x6eb7c0, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x52b550) at kernel/qwidget.cpp:5644
#52 0x00007ffff0720975 in QWidgetPrivate::paintSiblingsRecursive (this=0xb3a310, pdev=0x6eb7c0, siblings=..., index=3, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x52b550) at kernel/qwidget.cpp:5839
#53 0x00007ffff071ff45 in QWidgetPrivate::drawWidget (this=0xb3a310, pdev=0x6eb7c0, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x52b550) at kernel/qwidget.cpp:5696
#54 0x00007ffff0720975 in QWidgetPrivate::paintSiblingsRecursive (this=0x5a6900, pdev=0x6eb7c0, siblings=..., index=0, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x52b550) at kernel/qwidget.cpp:5839
#55 0x00007ffff071ff45 in QWidgetPrivate::drawWidget (this=0x5a6900, pdev=0x6eb7c0, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x52b550) at kernel/qwidget.cpp:5696
#56 0x00007ffff0720975 in QWidgetPrivate::paintSiblingsRecursive (this=0x54eeb0, pdev=0x6eb7c0, siblings=..., index=0, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x52b550) at kernel/qwidget.cpp:5839
#57 0x00007ffff0720836 in QWidgetPrivate::paintSiblingsRecursive (this=0x54eeb0, pdev=0x6eb7c0, siblings=..., index=1, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x52b550) at kernel/qwidget.cpp:5826
#58 0x00007ffff0720836 in QWidgetPrivate::paintSiblingsRecursive (this=0x54eeb0, pdev=0x6eb7c0, siblings=..., index=5, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x52b550) at kernel/qwidget.cpp:5826
#59 0x00007ffff071ff45 in QWidgetPrivate::drawWidget (this=0x54eeb0, pdev=0x6eb7c0, rgn=..., offset=..., flags=5, sharedPainter=0x0, backingStore=0x52b550) at kernel/qwidget.cpp:5696
#60 0x00007ffff06e3aff in QWidgetBackingStore::doSync (this=0x52b550) at kernel/qwidgetbackingstore.cpp:1389
#61 0x00007ffff06e26fd in QWidgetBackingStore::sync (this=0x52b550) at kernel/qwidgetbackingstore.cpp:1170
#62 0x00007ffff0715a5a in QWidgetPrivate::syncBackingStore (this=0x54eeb0) at kernel/qwidget.cpp:1962
#63 0x00007ffff0729aaa in QWidget::event (this=0x5822c0, event=0x9c68d0) at kernel/qwidget.cpp:9095
#64 0x00007ffff0898a71 in QMainWindow::event (this=0x5822c0, event=0x9c68d0) at widgets/qmainwindow.cpp:1557
#65 0x00007ffff06d1fb6 in QApplicationPrivate::notify_helper (this=0x46de00, receiver=0x5822c0, e=0x9c68d0) at kernel/qapplication.cpp:3745
#66 0x00007ffff06d1dba in QApplication::notify (this=0x7fffffffdcf0, receiver=0x5822c0, e=0x9c68d0) at kernel/qapplication.cpp:3708
#67 0x00007fffefb8552f in QCoreApplication::notifyInternal2 (receiver=0x5822c0, event=0x9c68d0) at kernel/qcoreapplication.cpp:988
#68 0x00007fffefb898c6 in QCoreApplication::sendEvent (receiver=0x5822c0, event=0x9c68d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#69 0x00007fffefb86a82 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x5822c0, event_type=77, data=0x46df70) at kernel/qcoreapplication.cpp:1648
#70 0x00007fffefb863d8 in QCoreApplication::sendPostedEvents (receiver=0x5822c0, event_type=77) at kernel/qcoreapplication.cpp:1502
#71 0x00007ffff0b13107 in QGraphicsViewPrivate::dispatchPendingUpdateRequests (this=0xb3a310) at ../../include/QtWidgets/5.8.0/QtWidgets/private/../../../../../src/widgets/graphicsview/qgraphicsview_p.h:203
#72 0x00007ffff0afa7bb in QGraphicsScenePrivate::_q_processDirtyItems (this=0x54a260) at graphicsview/qgraphicsscene.cpp:508
#73 0x00007ffff0b12419 in QGraphicsScene::qt_static_metacall (_o=0x5a5640, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0xa8eb50) at .moc/moc_qgraphicsscene.cpp:184
#74 0x00007fffefbc30e5 in QMetaCallEvent::placeMetaCall (this=0xb353f0, object=0x5a5640) at kernel/qobject.cpp:502
#75 0x00007fffefbc42af in QObject::event (this=0x5a5640, e=0xb353f0) at kernel/qobject.cpp:1263
#76 0x00007ffff0b04863 in QGraphicsScene::event (this=0x5a5640, event=0xb353f0) at graphicsview/qgraphicsscene.cpp:3523
#77 0x00007ffff06d1fb6 in QApplicationPrivate::notify_helper (this=0x46de00, receiver=0x5a5640, e=0xb353f0) at kernel/qapplication.cpp:3745
#78 0x00007ffff06cf21e in QApplication::notify (this=0x7fffffffdcf0, receiver=0x5a5640, e=0xb353f0) at kernel/qapplication.cpp:3105
#79 0x00007fffefb8552f in QCoreApplication::notifyInternal2 (receiver=0x5a5640, event=0xb353f0) at kernel/qcoreapplication.cpp:988
#80 0x00007fffefb898c6 in QCoreApplication::sendEvent (receiver=0x5a5640, event=0xb353f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#81 0x00007fffefb86a82 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x46df70) at kernel/qcoreapplication.cpp:1648
#82 0x00007fffefb863d8 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1502
#83 0x00007fffefc0c5ff in postEventSourceDispatch (s=0x4a6530) at kernel/qeventdispatcher_glib.cpp:276
#84 0x00007fffeaeb0197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#85 0x00007fffeaeb03f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#86 0x00007fffeaeb049c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#87 0x00007fffefc0ce0a in QEventDispatcherGlib::processEvents (this=0x4a6640, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#88 0x00007fffe48e5cd8 in QPAEventDispatcherGlib::processEvents (this=0x4a6640, flags=...) at qeventdispatcher_glib.cpp:121
#89 0x00007fffefb81b8e in QEventLoop::processEvents (this=0x7fffffffdb90, flags=...) at kernel/qeventloop.cpp:134
#90 0x00007fffefb81ec5 in QEventLoop::exec (this=0x7fffffffdb90, flags=...) at kernel/qeventloop.cpp:212
#91 0x00007fffefb85d25 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1261
#92 0x00007fffefffe4e4 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1657
#93 0x00007ffff06cebc5 in QApplication::exec () at kernel/qapplication.cpp:2921
#94 0x00000000004299e1 in launcherMain (app=...) at /home/hmiller/src/qt/webkit/Tools/QtTestBrowser/qttestbrowser.cpp:54
#95 0x000000000042bc35 in main (argc=2, argv=0x7fffffffded8) at /home/hmiller/src/qt/webkit/Tools/QtTestBrowser/qttestbrowser.cpp:336

I believe this is what you're looking for? Since it's in QtGui, would this be a Qt bug rather than a QtWebkit but?

annulen commented 7 years ago

Yep, thanks. It's probably Qt bug indeed, but it needs to be investigated to be reported properly.

Out of curiosity, does it crash if you enable accelerated 2d canvas?

ObserverHerb commented 7 years ago

With or without Accelerated 2d Canvas, it only crashes once I enable QOpenGLWidget. However, with Accelerated 2d Canvas and without QOpenGLWidget, it only draws the first few frames and stops, but no crash.