https://bugs.kde.org/show_bug.cgi?id=505710
Bug ID: 505710
Summary: Mouse cursor uncontrolled - clicks and hovering
Classification: Applications
Product: systemsettings
Version First 6.3.5
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: kcm_touchpad
Assignee: plasma-b...@kde.org
Reporter: punkoi...@gmail.com
CC: duha.b...@gmail.com, natalie_clar...@yahoo.de
Target Milestone: ---
Created attachment 182337
--> https://bugs.kde.org/attachment.cgi?id=182337&action=edit
mouse_jumps_uncontrolled
SUMMARY
Mouse cursor uncontrolled - clicks and hovering, sometimes left and sometimes
right button clicked and touchpad doesn't recognise and actual actions.
Filling it under Touchpad for a few reasons:
1. I had my mouse disconnected for the test purpose - nothing changed.
2. I managed to disable touchpad in system settings and that solved the issue.
STEPS TO REPRODUCE
1. In settings enable touchpad device;
2. Wait a few seconds;
3. Get described behaviour.
OBSERVED RESULT
Mouse cursor uncontrolled - clicks and hovering, sometimes left and sometimes
right button clicked and touchpad doesn't recognise and actual actions.
EXPECTED RESULT
Touchpad just works.
SOFTWARE/OS VERSIONS
> Operating System: Arch Linux
>KDE Plasma Version: 6.3.5
>KDE Frameworks Version: 6.15.0
>Qt Version: 6.9.1
>Kernel Version: 6.15.2-arch1-1 (64-bit)
>Graphics Platform: Wayland
>Processors: 16 × AMD Ryzen 7 PRO 4750U with Radeon Graphics
>Memory: 30.6 GiB of RAM
>Graphics Processor: AMD Radeon Graphics
ADDITIONAL INFORMATION
My first thought was like wayland is broken -> switched to X11 -> didn't help.
That bug occurred after updating the system with pacman.
I haven't found any information from pacman log that could be related, please
let me know if I can search for a particular package.
>/var/log/pacman.log:[2025-06-17T11:08:24+0300] [ALPM] upgraded qt5-base
>(5.15.17+kde+r122-1 -> 5.15.17+kde+r123-1)
>/var/log/pacman.log:[2025-06-17T11:08:31+0300] [ALPM] upgraded kdeclarative
>(6.14.0-1 -> 6.15.0-1)
>/var/log/pacman.log:[2025-06-17T11:08:31+0300] [ALPM] upgraded kdeconnect
>(25.04.1-1 -> 25.04.2-1)
>/var/log/pacman.log:[2025-06-17T11:08:31+0300] [ALPM] upgraded kded (6.14.0-1
>-> 6.15.0-1)
>/var/log/pacman.log:[2025-06-17T11:08:31+0300] [ALPM] upgraded kdenlive
>(25.04.1-1 -> 25.04.2-1)
>/var/log/pacman.log:[2025-06-17T11:08:31+0300] [ALPM] upgraded kdesu (6.14.0-1
>-> 6.15.0-1)
Also converted screencast to gif attached.
Also consider this as a really critical bug for a person who doesn't own
trackpoint or a spare mouse to disable touchpad.
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