FS#56186 - [mesa] kwin crashes on Radeon when switching windows

Attached to Project: Arch Linux
Opened by Gabriel Henrique da Silva Ferreira (BlackWolf) - Tuesday, 31 October 2017, 12:26 GMT
Last edited by Andreas Radke (AndyRTR) - Friday, 06 September 2019, 20:01 GMT
Task Type Bug Report
Category Upstream Bugs
Status Closed
Assigned To Jan de Groot (JGC)
Andreas Radke (AndyRTR)
Laurent Carlier (lordheavy)
Architecture x86_64
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 2
Private No

Details

Description:
The application "kwin_x11" crashes and restart when switching between windows using the "Alt+Tab" hotkey.

Additional info:
Version: 5.11.2-1;
Backtrace attached to the report.

Steps to reproduce:
Open two or more windows and do some window switches using the "Alt+Tab" hotkey.
   kwin_x11-20171031-102225.kcra... (7 KiB)
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Friday, 06 September 2019, 20:01 GMT
Reason for closing:  Fixed
Additional comments about closing:  according to upstream report and no more responses here
Comment by Gabriel Henrique da Silva Ferreira (BlackWolf) - Tuesday, 31 October 2017, 12:33 GMT
How can i edit the summary to "kwin_x11 crashes and restart"?
Comment by Gabriel Henrique da Silva Ferreira (BlackWolf) - Tuesday, 31 October 2017, 12:39 GMT
Edit:
Only happens when switching GTK applications.
Attached system info.
   Screenshot_20171031_103739.png (777.8 KiB)
Comment by Antonio Rojas (arojas) - Tuesday, 31 October 2017, 12:42 GMT
https://bugs.freedesktop.org/show_bug.cgi?id=103234
Comment by Gabriel Henrique da Silva Ferreira (BlackWolf) - Tuesday, 31 October 2017, 12:44 GMT
Let me know if you need any info about my system.
Comment by Michael Koloberdin (mkoloberdin) - Monday, 15 January 2018, 17:36 GMT
I am experiencing what seems to be a similar thing with Nvidia binary driver. While Alt-Tabbing, occasionally windows suddenly lose their decorations and it is impossible to Alt-Tab anymore.
Comment by Sandeep (sandy8925) - Sunday, 13 May 2018, 07:06 GMT
I have the same problem, but on 5.12.5 - I am not sure if this is the same bug.

In my case, I built KWin debug build (added flag -DCMAKE_BUILD_TYPE=Debug) and now it doesn't crash.....maybe the current package is defective somehow? I will try rebuilding without the debug flag and see if it crashes. If it doesn't, then maybe it's a bug with the package, otherwise it might be an upstream bug that is somehow easily reproduced with release build, but not with debug build.

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