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  1. 25th June 2012, 16:12 #1
    victor
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    Default Qt webkit segmentation fault with pluginEnabled option

    I have the next problem:

    I`m using webkit and qt 4.8.1 (qtbrowser demo). I have 'segmenation fault' with the next url http://ecommerce.aheadworks.com/mage...one-theme.html.

    params:

    - Window XP
    - qt 4.8.1
    - QWebSettings::PluginsEnabled

    QWebSettings *defaultSettings = QWebSettings::globalSettings();
    defaultSettings->setAttribute(QWebSettings::JavascriptEnabled, true);
    defaultSettings->setAttribute(QWebSettings::PluginsEnabled, true);

    any help would be appreciated
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  2. 26th June 2012, 10:05 #2
    victor
    victor is offline Beginner
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    Default Re: Qt webkit segmentation fault with pluginEnabled option

    For details:

    I am using:

    • Windows xp SP3 (x86)
    • QtSDK version 1.2.1:
      • Qt libraries version 4.8.1
      • mingw:
        • binutils-2.19.1
        • mingwrt-3.15.2
        • w32api-3.13
        • gcc-core
        • gcc-c++-4.4.0
        • gmp-4.2.4
        • libiconv-1.13
        • mingw32-make-3.81
        • mpfr-2.4.1
        • pthreads-w32-2.8.0



    Simple test example:

    1. test.pro:
    Qt Code: 
    1. QT       += webkit network
    2. SOURCES   = main.cpp
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    2. main.cpp
    Qt Code: 
    1. #include <QApplication>
    2. #include <QtWebKit>
    3.  
    4. int main(int argc, char *argv[])
    5. {
    6.     QApplication app(argc, argv);
    7.  
    8.     // settings
    9.     QWebSettings *settings = QWebSettings::globalSettings();
    10.     settings->setAttribute(QWebSettings::JavascriptEnabled, true);
    11.     settings->setAttribute(QWebSettings::PluginsEnabled, true);
    12.  
    13.     //view
    14.     QWebView view;
    15.     view.show();
    16.     view.setUrl(QUrl("http://ecommerce.aheadworks.com/magento-extensions/iphone-theme.html"));
    17.  
    18.     return app.exec();
    19. }
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    I have the next error message after running of program:

    error.jpg

    I have "segmentation fault" in qtcreator debugger and the next :
    Qt Code: 
    1. LEVEL  FUNCTION                     FILE              LINE           
    2.  
    3. 0	_mm_andnot_si128	emmintrin.h	1239	0x516572
    4. 1	comp_func_SourceOver_sse2	qdrawhelper_sse2.cpp	152	0x516572
    5. 2	BlendSrcGeneric<(SpanMethod)0>::process	qdrawhelper.cpp	3581	0xbb7dbf
    6. 3	handleSpans<BlendSrcGeneric<(SpanMethod)0> >	qdrawhelper.cpp	3527	0xb6cf43
    7. 4	blend_src_generic<(SpanMethod)0>	qdrawhelper.cpp	3599	0x6e75a5
    8. 5	qt_gradient_quint32	qdrawhelper.cpp	6955	0x6d83ef
    9. 6	gray_convert_glyph	qgrayraster.c	1756	0x6f3d2c
    10. 7	gray_raster_render	qgrayraster.c	1862	0x6f404b
    11. 8	QRasterPaintEnginePrivate::rasterize	qpaintengine_raster.cpp	3834	0x6cfbcd
    12. 9	QRasterPaintEnginePrivate::rasterize	qpaintengine_raster.cpp	3760	0x6cf92a
    13. 10	QRasterPaintEngine::fill	qpaintengine_raster.cpp	1753	0x6c7fe1
    14. 11	QPainter::fillPath	qpainter.cpp	3406	0x65730b
    15. 12	WebCore::GraphicsContext::fillPath(WebCore::Path const&)	D:\QtSDK\Desktop\Qt\4.8.1\mingw\lib\QtWebKitd4.dll	0	0xae1da5b
    16. 13	WebCore::CanvasRenderingContext2D::fill()	D:\QtSDK\Desktop\Qt\4.8.1\mingw\lib\QtWebKitd4.dll	0	0xace5a77
    17. 14	WebCore::JSCanvasRenderingContext2D::getConstructor(JSC::ExecState*, JSC::JSGlobalObject*)	D:\QtSDK\Desktop\Qt\4.8.1\mingw\lib\QtWebKitd4.dll	0	0xaab4830
    18. 15	??		0	0x10eb0de5
    19. 16	JSC::JITCode::execute(JSC::RegisterFile*, JSC::ExecState*, JSC::JSGlobalData*)	D:\QtSDK\Desktop\Qt\4.8.1\mingw\lib\QtWebKitd4.dll	0	0xb3b8c96
    20. 17	JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::ScopeChainNode*, JSC::JSObject*)	D:\QtSDK\Desktop\Qt\4.8.1\mingw\lib\QtWebKitd4.dll	0	0xb2a1d95
    21. 18	JSC::evaluate(JSC::ExecState*, JSC::ScopeChainNode*, JSC::SourceCode const&, JSC::JSValue)	D:\QtSDK\Desktop\Qt\4.8.1\mingw\lib\QtWebKitd4.dll	0	0xb28ce7f
    22. 19	_NPN_Evaluate	D:\QtSDK\Desktop\Qt\4.8.1\mingw\lib\QtWebKitd4.dll	0	0xb05bd26
    23. 20	npswf32!Flash_DisableLocalSecurity	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12bd5afe
    24. 21	??		0	0x11803440
    25. 22	??	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12ad58c8
    26. 23	??		0	0x179d10ae
    27. 24	??		0	0x144212c5
    28. 25	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12cc439c
    29. 26	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12c80296
    30. 27	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12cc439c
    31. 28	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12cc439c
    32. 29	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12cc439c
    33. 30	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12cc439c
    34. 31	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12c9b196
    35. 32	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12c1c22b
    36. 33	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12c1b8ef
    37. 34	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12c1bbff
    38. 35	npswf32!native_ShockwaveFlash_TCallLabel	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12c1bc90
    39. 36	??	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12b73fba
    40. 37	npswf32!Flash_DisableLocalSecurity	C:\WINDOWS\system32\macromed\Flash\NPSWF32.dll	0	0x12bd8f68
    41. 38	??		0	0x12fee000
    42. 39	??		0
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