Thread 1 received signal SIGSEGV, Segmentation fault. 0x0000000000f063f6 in qt_convert_rgb888_to_rgb32_ssse3(unsigned int*, unsigned char const*, int) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll (gdb) bt #0 0x0000000000f063f6 in qt_convert_rgb888_to_rgb32_ssse3(unsigned int*, unsigned char const*, int) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll #1 0x0000000001199071 in QRasterPaintEngine::rasterBuffer() () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll #2 0x000000000119a889 in QRasterPaintEngine::fillRect(QRectF const&, QSpanData*) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll #3 0x00000000011a7650 in QRasterPaintEngine::fillRect(QRectF const&, QBrush const&) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll #4 0x00000000011b7b98 in QPainter::fillRect(QRect const&, QBrush const&) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll #5 0x0000000061dfb511 in QWidgetPrivate::paintBackground(QPainter*, QRegion const&, int) const () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Widgets.dll #6 0x0000000061dff667 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Widgets.dll #7 0x0000000061dd6b05 in QWidgetPrivate::repaint_sys(QRegion const&) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Widgets.dll #8 0x0000000061dd72e2 in QWidgetPrivate::repaint_sys(QRegion const&) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Widgets.dll #9 0x0000000061e1d33a in QDesktopWidget::qt_metacall(QMetaObject::Call, int, void**) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Widgets.dll #10 0x0000000061e1dbaf in QDesktopWidget::qt_metacall(QMetaObject::Call, int, void**) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Widgets.dll #11 0x0000000061dc7c8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Widgets.dll #12 0x0000000061dced23 in QApplication::notify(QObject*, QEvent*) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Widgets.dll #13 0x0000000068a89648 in QCoreApplication::sendSpontaneousEvent(QObject*, QEvent*) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Core.dll #14 0x0000000000f3d455 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll #15 0x0000000000f3d6b6 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll #16 0x0000000000f159ec in QWindowSystemInterface::sendWindowSystemEvents(QFlags) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll #17 0x0000000000f15f37 in QWindowSystemInterface::flushWindowSystemEvents(QFlags) () ---Type to continue, or q to quit--- from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Gui.dll #18 0x000000006a888d8e in ?? () from C:\dev-mingw\autobuild_hdr\i\plugins\platforms\qwindows.dll #19 0x000000006a894951 in ?? () from C:\dev-mingw\autobuild_hdr\i\plugins\platforms\qwindows.dll #20 0x00007ffcf52aca66 in USER32!DispatchMessageW () from C:\Windows\System32\user32.dll #21 0x00007ffcf52ac78c in USER32!DispatchMessageW () from C:\Windows\System32\user32.dll #22 0x00007ffcf52bfa83 in USER32!GetSystemMetrics () from C:\Windows\System32\user32.dll #23 0x00007ffcf7a133a4 in ntdll!KiUserCallbackDispatcher () from C:\Windows\SYSTEM32\ntdll.dll #24 0x00007ffcf3c01764 in win32u!NtUserDispatchMessage () from C:\Windows\System32\win32u.dll #25 0x00007ffcf52ac5ff in USER32!DispatchMessageW () from C:\Windows\System32\user32.dll #26 0x0000000068ae4a40 in QEventDispatcherWin32::processEvents(QFlags) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Core.dll #27 0x000000006a8fa2b5 in qwindows!qt_plugin_instance () from C:\dev-mingw\autobuild_hdr\i\plugins\platforms\qwindows.dll #28 0x0000000068a8751e in QEventLoop::exec(QFlags) () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Core.dll #29 0x0000000068a90a37 in QCoreApplication::exec() () from c:\dev-mingw\autobuild_hdr\i\bin\Qt5Core.dll #30 0x00000000004015ab in ?? () #31 0x000000000040337c in ?? () #32 0x00000000004013c7 in ?? () #33 0x00000000004014cb in ?? () #34 0x00007ffcf51f81f4 in KERNEL32!BaseThreadInitThunk () from C:\Windows\System32\kernel32.dll #35 0x00007ffcf79da251 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll #36 0x0000000000000000 in ?? () Backtrace stopped: previous frame inner to this frame (corrupt stack?)