The application enter the following:
QPainter: : begin: Paint device returned engine==0, 2 type:
QPainter: : end: Painter not active, aborted
An ASSERTION FAILED: m_ptr
. \ WTF WTF/OwnPtr. H. (72) : WTF: : OwnPtr : : WTF ValueType * : : OwnPtr : : operator - & gt; () const [with T=WebCore: : ImageBuffer; WTF: : OwnPtr : : PtrType=WebCore: : ImageBuffer *; WTF: : OwnPtr : : ValueType=WebCore: : ImageBuffer]
Call stack is as follows:
0 WTFCrash C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1f33fb83
1 WebCore: : BitmapTextureImageBuffer: : updateContents (WebCore: : TextureMapper *, WebCore: : GraphicsLayer *, WebCore: : IntRect const& , WebCore: : IntPoint const& UpdateContentsFlag), WebCore: : BitmapTexture: C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb0fe9e
2 WebCore: : TextureMapperTile: : updateContents (WebCore: : TextureMapper *, WebCore: : GraphicsLayer *, WebCore: : IntRect const& UpdateContentsFlag), WebCore: : BitmapTexture: C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb09d59
3 WebCore: : TextureMapperTiledBackingStore: : updateContents (WebCore: : TextureMapper *, WebCore: : GraphicsLayer *, WebCore: : FloatSize const& , WebCore: : IntRect const& UpdateContentsFlag), WebCore: : BitmapTexture: C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb09658
4 WebCore: : GraphicsLayerTextureMapper: : updateBackingStoreIfNeeded () C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb1363f
5 WebCore: : GraphicsLayerTextureMapper: : flushCompositingState (WebCore: : FloatRect const&) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb12e2d
6 WebCore: : GraphicsLayerTextureMapper: : flushCompositingState (WebCore: : FloatRect const&) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb12e87
7 WebCore: : GraphicsLayerTextureMapper: : flushCompositingState (WebCore: : FloatRect const&) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb12e87
8 WebCore: : GraphicsLayerTextureMapper: : flushCompositingState (WebCore: : FloatRect const&) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb12e87
9 WebCore: : GraphicsLayerTextureMapper: : flushCompositingState (WebCore: : FloatRect const&) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb12e87
10 WebCore: : GraphicsLayerTextureMapper: : flushCompositingState (WebCore: : FloatRect const&) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb12e87
11 WebCore: : GraphicsLayerTextureMapper: : flushCompositingState (WebCore: : FloatRect const&) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb12e87
12 WebCore: : GraphicsLayerTextureMapper: : flushCompositingState (WebCore: : FloatRect const&) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb12e87
13 WebCore: : GraphicsLayerTextureMapper: : flushCompositingState (WebCore: : FloatRect const&) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1eb12e87
14 WebCore: : RenderLayerCompositor: : flushPendingLayerChanges (bool) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1da7076e
15 WebCore: : FrameView: : flushCompositingStateForThisFrame (WebCore: : Frame *) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1ed058f7
16 WebCore: : FrameView: : flushCompositingStateIncludingSubframes () C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1ed05936
17 WebCore: : TextureMapperLayerClientQt: : syncLayers (WebCore: : Timer *) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1d665443
18 WebCore: : Timer : : fired () C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1f929d5f
19 WebCore: : ThreadTimers: : sharedTimerFiredInternal () [6] clone. Part. C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1ebf196d
20 WebCore: : SharedTimerQt: : timerEvent (QTimerEvent *) C: \ Qt \ Qt5.4.0\5.4 \ mingw491_32 \ bin \ Qt5WebKitd DLL 0 x1ead479e
21 QObject: : event 1226 0 x5553c54
22 QApplicationPrivate: : 3722 0 x147af4e5 notify_helper
23 QApplication: : notify 3164 0 x147aceb0
24 QCoreApplication: : 932 0 notifyInternal x552e6f8
25 QCoreApplication: : adds 228 0 x55d47e3
26 QEventDispatcherWin32: : event 1179 0 x557f994
27 QApplicationPrivate: : 3722 0 x147af4e5 notify_helper
28 QApplication: : notify 3164 0 x147aceb0
29 QCoreApplication: : 932 0 notifyInternal x552e6f8
30 QCoreApplication: : adds 228 0 x55d47e3
31 QCoreApplicationPrivate: : 1536 0 x552f890 sendPostedEvents
32 QCoreApplication: : 1394 0 sendPostedEvents x552f376
33 QWindowsGuiEventDispatcher: : 81 0 x361ae609 sendPostedEvents
34 qt_internal_proc (HWND__ *, unsigned int, unsigned int, long) * 16 412 0 x557cec8
35 gapfnScSendMessage C: \ Windows \ \ syswow64 \ user32. DLL 0 x75fc630a
36 Ui_GLLTable: : retranslateUi Ui_GLLTable. H 126 0 x541c64
37 USER32! GetThreadDesktop C: \ Windows \ \ syswow64 \ user32. DLL 0 x75fc6d4a
38 & lt; Lambda () & gt; : : operator () (void) const 355 x557cc03
39 Ui_GLLTable: : retranslateUi Ui_GLLTable. H 126 0 x541c64
40 USER32! nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull