[PyQt] Fedora 25 & 26 PyQt5 segfaults on exit
barry at barrys-emacs.org
Wed Jul 12 10:16:22 BST 2017
> On 8 Jul 2017, at 22:59, Damon Lynch <damonlynch at gmail.com> wrote:
> Is anyone else having their python3 / PyQt5 application crash on exit every time when run with Fedora 25 and 26's version of PyQt5? (All updates are installed; Fedora 24 is fine). Installing PyQt5 from PyPi resolves the problem. If others also note the problem I'm inclined to file a bug report.
I see this issue on Fedora and Mac OS X, probable Windows as well but its as good at reporting the problem.
From what I have found out the problem is that when you delete a python object it will clean up related objects in any old order.
But the C++ Qt Objects must be deleted in a specific order.
I have on my todo list to write the delete code for one of my larger Qt Windows to attempt to avoid this
for SCM Workbench. I see that it is only after certain UI elements are create that the crash happens on exit.
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