https://bugs.kde.org/show_bug.cgi?id=461897
Bug ID: 461897
Summary: Mouse Pointer leaves duplicate on second monitor when
moving quickly between monitors
Classification: Plasma
Product: kwin
Version: 5.26.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: kingofgamesy...@gmail.com
Target Milestone: ---
SUMMARY
When moving the mouse quickly from left monitor to right monitor, there is a
duplicate left behind.
* The duplicate will not appear if you move the cursor slow enough
* The duplicate is much less likely to appear if you have some window, e.g.
System Settings, covering the screen
* If the duplicate is positioned such that some portion would be rendered on
both screens, only the screen without the active cursor renders it's portion of
the cursor
* The duplicate will immediately disappear if the cursor is moved to the screen
it is on
STEPS TO REPRODUCE
1. Have 2 identical monitors located left/right
2. Move mouse quickly from left monitor to right monitor (or vice versa) with
no windows open*
*note: it can still happen with windows open, but much less frequently
OBSERVED RESULT
There is a duplicated cursor
EXPECTED RESULT
No duplicated cursor
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora Linux 37 / KDE Plasma 5.26.2
(available in About System)
KDE Plasma Version: 5.26.2
KDE Frameworks Version: 5.99.0
Qt Version: 5.15.6
ADDITIONAL INFORMATION
Graphics Platform: Wayland
Graphics Processor: NVIDIA GeForce RTX 3060 Ti
NVIDIA Driver Version: 520.56.06
Monitors: LC27G55TQWNXZA x2 (1440p, 144Hz, DisplayPort, HDR disabled).
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