[kwin] [Bug 523839] KWin freezes with certain actions

TraceyC <[email protected]> Tue, 04 Aug 2026 20:57:54 +0000
Newsgroups gmane.comp.kde.devel.bugs
Message-ID <[email protected]/>
https://bugs.kde.org/show_bug.cgi?id=3D523839

TraceyC <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[email protected]
             Status|REPORTED                    |NEEDSINFO
         Resolution|---                         |WAITINGFORINFO
           Keywords|                            |efficiency-and-performance
      Version First|unspecified                 |6.7.3
        Reported In|                            |

--- Comment #1 from TraceyC <[email protected]> ---
Thanks for the bug report. The lag with System Settings - Desktop effects h=
as
an existing report - bug 500894. The Animations kcm can be covered by that =
bug
as well.

For this bug, let's focus on the tabbox. This might be bug 510601 but we'll
need a backtrace with gdb to be sure

Can you check kwin's logs when the one of the freezes occurs? After the sys=
tem
recovers, run this

  journalctl --boot --user-unit plasma-kwin_wayland > ~/log.txt

And then attach  ~/log.txt to this report. Also, to get the backtrace run t=
his
and cause the cursor freeze with the tabbox

sudo gdb -pid $(pidof kwin_wayland) -batch -ex "set logging file
kwin_wayland_full.gdb" -ex "set logging enabled on" -ex "continue" -ex "thr=
ead
apply all backtrace full" -ex "quit"

Then attach the file kwin_wayland_full.gdb to this report. Thanks!

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