https://bugs.kde.org/show_bug.cgi?id=509022
Bug ID: 509022
Summary: Cannot move mouse cursor between screens under Wayland
Classification: Plasma
Product: kwin
Version First unspecified
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: multi-screen
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
Cannot move mouse cursor between screens under Wayland.
I have a left screen and a right screen. When I installed Kubuntu 25.04, using
Wayland, it worked correctly at the beginning: I could move the mouse between
both screens, while having a little barrier between (which is quite practical).
However, last week, this stopped working, and since then I cannot move the
mouse to the other screen at all.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 25.04
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.3
Kernel Version: 6.14.0-29-generic (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-7700HQ CPU @ 2.80GHz
Memory: 15.5 GiB of RAM
Graphics Processor 1: Intel® HD Graphics 630
Graphics Processor 2: llvmpipe
Manufacturer: LENOVO
Product Name: 80WK
System Version: Lenovo Y520-15IKBN
ADDITIONAL INFORMATION
When I left-click-and-hold the title bar of a window, and then I move the mouse
cursor (holding the window) as fast as I can to the other screen, I have a
30%-chance that it actually goes to the other screen.
If I start an X session instead of a Wayland session, I actually CAN move
correctly the mouse cursor. (However, after weakup after standby, Plasma is
broken on the right screen, no more panels nor screen background, so that's not
an actual alternative either.)
I have a second user account on the same machine, where it works correctly on
Wayland.
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