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Tasklist

FS#54662 - [python-pyqt5] QWebEngineView crashes ("Cannot mix incompatible Qt library")

Attached to Project: Arch Linux
Opened by Sam (smls) - Sunday, 02 July 2017, 09:22 GMT
Last edited by Antonio Rojas (arojas) - Sunday, 02 July 2017, 09:31 GMT
Task Type Bug Report
Category Packages: Testing
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

With up-to-date 'python-pyqt5' and 'qt5-webengine' from [testing], PyQt applications crash when they try to show a QWebEngineView.

Here's a minimalistic Python program that always triggers the crash: https://pastebin.com/raw/e1mjpDhr

The following is printed to the terminal when it happens:

Cannot mix incompatible Qt library (version 0x50900) with this library (version 0x50901)
Command terminated by signal 6

`journalctl -xe` shows that the crash happens in 'libQt5WebEngineCore.so.5'.

This didn't happen before today's `pacman -Syu`, and PyQt apps showing normal Qt widgets (rather than QWebEngineView) seems to still work fine.
This task depends upon

Closed by  Antonio Rojas (arojas)
Sunday, 02 July 2017, 09:31 GMT
Reason for closing:  Fixed
Additional comments about closing:  qt5-webengine 5.9.1-2
Comment by Sam (smls) - Sunday, 02 July 2017, 09:26 GMT
Forgot to list the package versions, sorry:
* python-pyqt5 5.8.2-3
* qt5-webengine 5.9.1-1

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