Segmentation fault while open a text file

[kshegunov]

I already suggested to use the non-native dialog. Additionally your crash is probably related to you holding a QObject in a QSharedPointer, get us the whole stack trace so we can investigate further. I advise against using QSharedPointer with QObjects exactly for this very same reason - object lifetime is uncontrollable.

[koahnig]

@kshegunov

He has the same effect with one of the Qt examples.

However, you are certainly right about non-native dialog.

[kshegunov]

@koahnig said in Segmentation fault while open a text file:

However, you are certainly right about non-native dialog.

Perhaps, but my prime culprit is the shared pointer (notice line 11 in the call stack from his screenshot).

[A Former User]

So, have you an open file example with non native dialog?

[kshegunov]

@HenrikSt. said in Segmentation fault while open a text file:

So, have you an open file example with non native dialog?

Again, I ask you post the stack trace before digging into that. I don't think your segafault is related to the actual dialog at all, especially since you said you get it with a class from the examples. And I will raise the point again, do you use QSharedPointer and if yes how?

[A Former User]

I don't think so that I used that

[A Former User]

I will reset my PC. I think that the error is there. After that I will inform you!

[koahnig]

@HenrikSt. said in Segmentation fault while open a text file:

Here's a picture:
https://1drv.ms/i/s!AqaeHLtTIsoIhOofMu8aGwHVDcerHA

@HenrikSt. @kshegunov is referring to the QSharedPointer referenced in the stack trace (line 11) you posted further above.

Within the debugger you can go back to a place where the mess actually started with the line in your code.

@kshegunov it is not conclusive at the moment that @HenrikSt is actually using QSharedPointer himself. It is probably somewhere deeper in other code. The next lines of the trace would be important to see.

[kshegunov]

@koahnig said in Segmentation fault while open a text file:

it is not conclusive at the moment

It is not, I agree, that's why I insisted on the stack trace.

The next lines of the trace would be important to see.

I couldn't agree more, but I'm almost ready to bet my head it's a double deletion because of a QSharedPointer instance. ;)

[A Former User]

It works now!

I reinstalled Windows 10 clean. So i think there was a problem with Qt and Windows 10 Insider Version.

Thanks a lot to all!

THis topic is now solved