Qt App runs and exits with crash 1073741819

[milan]

Hello, I have running Qt Project. But recently, I uninstalled Qt Creator and installed new version. Also, I updated the Microsoft Visual Studio 2017 to latest version. After update, I can still the project with MSVC compiler, but I cannot run the Qt GUI application. It tries to run, but it exits with code 1073741819. Please help.

[raven-worx]

@milan
any chance you have old intermediate build files left?
Try deleting the build folder and run a clean build again.

[milan]

@raven-worx . I did clean and rebuilt the project, still the problem persists.

[raven-worx]

@milan said in Qt App runs and exits with crash 1073741819:

I did clean and rebuilt the project, still the problem persists.

did you also rerun qmake beforehand?
(clean -> rerun qmake -> build)

[milan]

@raven-worx . Yes, I also ran Qmake after cleaning.

[J.Hilk]

So, how about posting a stacktrace?
Guessing only get's us so far.

[milan]

@J.Hilk . Sorry for my late reply. This is stack trace.

[raven-worx]

@milan
try updating your Intel graphics driver to the latest version

Also what graphics chip do you have exactly?
Did you specify any OpenGL related properties for your application?

[milan]

@raven-worx . Also, I get this.

19:03:47: Debugging starts
HEAP[myApp.exe]:
Invalid allocation size - 2d7665640000000a (exceeded 7ffffffdefff). And following exception:

[milan]

@raven-worx . I have Intel HD Graphics 630 and Nvidia Quadro M620. No, I am not using any OpenGL. I do have a QtQuick Widget.

[milan]

@raven-worx. Thanks, you are right. It is Intel graphics driver issue.

[raven-worx]

@milan
did you solve it with an driver update?

[milan]

@raven-worx . Yes, it is already resolved. But, I do not understand which widget is using OpenGL.

[raven-worx]

@milan said in Qt App runs and exits with crash 1073741819:

But, I do not understand which widget is using OpenGL

QQuickWidget (=> QML)
Unless you explicitly tell it to use the software rasterizing backend.
e.g. either via code QQuickWindow::setSceneGraphBackend(QSGRendererInterface::Software); or via environment variable QT_QUICK_BACKEND=software
(before QApplication instantiation)