https://bugs.kde.org/show_bug.cgi?id=494958
Bug ID: 494958
Summary: Erratic Present Windows behavior with cloned display
Classification: Plasma
Product: kwin
Version: git-stable-Plasma/6.2
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-present-windows
Assignee: kwin-bugs-n...@kde.org
Reporter: mz...@o2.pl
Target Milestone: ---
Created attachment 174961
--> https://bugs.kde.org/attachment.cgi?id=174961&action=edit
kscreen-doctor -o output
SUMMARY
The Present Windows effect has been acting in an erratic way ever since I
switched from Plasma 5.27 to 6.2.1.
One of two things happen:
1) At times it behaves as though they were no windows open, even though
multiple are indeed open. It doesn't matter if I active Present Windows (all
desktops) through a hotkey or a window edge.
2) At other times it will seem like everything is okay, but clicking the task
doesn't activate that window it should, but seemingly a random one.
My setup is an X11 session on a Nvidia GPU with the binary drivers. I have two
screens - a 1080p monitor and a 4k TV switched to 1080p, cloning the contents
of the monitor.
If I unplug the TV, the effect starts working as intended. After replugging the
TV, the issue reappears. Usually no windows are detected then.
I can provide further information if needed. For now I'm attaching the output
of kscreen-doctor -o
STEPS TO REPRODUCE
1. Open several windows
2. Activate Present Windows (all workspaces)
OBSERVED RESULT
Either no windows are displayed or their thumbnails open the wrong window on
click.
EXPECTED RESULT
All windows are shown and the proper window is activated when a thumbnail is
clicked.
SOFTWARE/OS VERSIONS
Operating System: Gentoo Linux 2.15
KDE Plasma Version: 6.2.1
KDE Frameworks Version: 6.7.0
Qt Version: 6.7.2
Kernel Version: 6.6.52-gentoo (64-bit)
Graphics Platform: X11
Processors: 12 × AMD Ryzen 5 3600 6-Core Processor
Memory: 23.4 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 1650/PCIe/SSE2
ADDITIONAL INFORMATION
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