https://bugs.kde.org/show_bug.cgi?id=485955
Bug ID: 485955
Summary: After detaching a tab from Firefox, KWin has some
issues/crashes when Overview/Grid is triggered on X11
Classification: Plasma
Product: kwin
Version: 6.0.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-overview
Assignee: kwin-bugs-n...@kde.org
Reporter: tgnff...@gmail.com
Target Milestone: ---
Consistently reproducible on X11.
STEPS TO REPRODUCE
1. Create two Firefox
[profiles](https://support.mozilla.org/en-US/kb/profile-manager-create-remove-switch-firefox-profiles).
2. Launch one of them, and open two tabs in a window.
3. Drag&drop one tab in order to detach in, creating a new window.
At this point, trigger either the Overview effect or the Grid effect. Notice
that there is a small white/dark spot (light/dark theme) that "behaves" like a
small window in the effect. For example, in the Overview, you can hover over
it, and a blue border will appear around it, at which point you can select it.
Selecting it, will crash KWin.
Continuing from the last step, (without closing the first running
instance/profile of Firefox):
4. Launch Firefox using the second profile.
5. Again, open two tabs and detach one of them, like in step 3.
6. Try to trigger either the Overview or the Grid effect.
At this point, triggering the effect causes KWin to crash immediately.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Archlinux
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
ADDITIONAL INFORMATION
Bisection result:
fc3a2d0d5d39c3003c2909580bf2c38a1dc6ba1f is the first bad commit
commit fc3a2d0d5d39c3003c2909580bf2c38a1dc6ba1f
Author: Yifan Zhu <fanzhuyi...@gmail.com>
Date: Thu Apr 11 09:31:03 2024 -0700
scripting/windowmodel: match screen closest to center for filter
When filtering windows by screen, match the screen closest to the window
center, instead of testing whether the window is visible on the current
screen. The new method guarantees that when filtering by screen, the
window appears for exactly one screen. Previously windows spanning
multiple screens appear on all of them, and off-screen windows are not
shown in any screen.
BUG: 480028
BUG: 485337
FIXED-IN: 6.0.4
(cherry picked from commit 1a4606d990b89f403e048edef4b07b407b94a370)
src/scripting/windowmodel.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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