[PyQt] Qt 5.13: Segfault on exit with Windows + QtWebEngine

Phil Thompson phil at riverbankcomputing.com
Wed Jul 17 11:54:10 BST 2019


On 13/07/2019 16:43, Florian Bruhin wrote:
> With a quite minimal QtWebEngine example like this:
> 
>     from PyQt5.QtWebEngineWidgets import QWebEngineProfile
>     from PyQt5.QtWidgets import QApplication
>     from PyQt5.QtCore import QTimer
> 
>     qapp = QApplication([])
>     p = QWebEngineProfile()
>     QTimer.singleShot(500, qapp.quit)
>     qapp.exec_()
> 
> I get a segfault on exit with Python 3.7.4 and PyQt5/PyQtWebEngine 
> 5.13.0
> on Windows 10.
> 
> When I downgrade to PyQt5 5.12.3 and PyQtWebEngine 5.12.1 things work 
> fine.
> 
> Unfortunately I haven't been able to get a reliable stacktrace. Here 
> are some
> examples of the stacks I got: 
> https://paste.the-compiler.org/view/5774da86
> I don't think they really make sense though.

I can't reproduce this - although I am using Python v3.7.0.

Phil


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