https://bugs.kde.org/show_bug.cgi?id=454354
Bug ID: 454354
Summary: nvidia: Java programs running in Plasma Wayland /
Xwayland show massive flickering
Product: kwin
Version: 5.24.5
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: platform-wayland-nested
Assignee: kwin-bugs-n...@kde.org
Reporter: andihartm...@freenet.de
Target Milestone: ---
SUMMARY
Running java apps in Plasma Wayland / X-Wayland leads to massive flickering of
the Java apps or even QT apps.
STEPS TO REPRODUCE
1. Take Mediathekview and run it. Do several actions like Blacklisting of
films. After blacklisting a few films, you most probably will get massive
flickering.
2. Take a look at
https://forums.developer.nvidia.com/t/wayland-massive-flickering-on-xwayland-java/215224
and https://gitlab.freedesktop.org/xorg/xserver/-/issues/1317 (search for
"nvidia user01"). You can find an example here:
https://magentacloud.de/s/LybHRSF4YjD9brs
3.
OBSERVED RESULT
Massive flickering after some time of operation (maybe 2 minutes).
EXPECTED RESULT
No flickering at all. Just as it works in Wayland gnome shell.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 5.15.32 / 5.24.5
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.2
Nvidia: 515.43.04 and previous versions
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