https://bugs.kde.org/show_bug.cgi?id=446992
Bug ID: 446992
Summary: Hangs when switching wayland-apps to full screen mode.
Product: kwin
Version: 5.23.4
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Keywords: wayland
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Flags: Wayland+, Decision-Required+
When I go full screen on wayland apps, I see freezes. I cannot say exactly
under what circumstances this problem appeared. However, I installed some side
effects but removed them soon after. Also, when installing, I didn't have such
a problem on kde plasma 5.23.1. Now I have the mesa driver 21.3.1 installed
which has been updated too. The rendering quality is OpenGl 2.0, switching to
3.0 does not solve the problem.
However, for unknown reasons, the breakdown disappears when the "Show FPS"
effect is turned on. Perhaps the solution to the problem is hidden in the
principles of the "Show FPS" effect.
This problem is relevant not only for gwenview, but also for mpv and for the
firefox floating window, all these apps run on wayland, not xwayland. There are
no such problems on xwayland.
Also, I repeatedly created a new user, while the problem persisted, which
indicates that there were no problems with user configs.
Also, there are no problems with the "maximize" effect.
When running from the terminal, apps do not give errors except for gwenview
(QWaylandShmBuffer: mmap failed)
SOFTWARE:
Linux/KDE Plasma:
KDE Plasma Version: 5.23.4
KDE Frameworks Version: 5.88.0
Qt Version: 5.15.2
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