Bug 514397

Summary: Cursor gets blocked at bottom right corner and can't move it
Product: [Plasma] kwin Reporter: Ángel Navarro <jesusnavarrojr188>
Component: inputAssignee: KWin default assignee <kwin-bugs-null>
Status: ASSIGNED ---    
Severity: major CC: duha.bugs, kdedev, xaver.hugl
Priority: NOR    
Version First Reported In: 6.5.80   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: Cursor locked at the corner (AV1 video warning)

Description Ángel Navarro 2026-01-10 00:27:26 UTC
Created attachment 188368 [details]
Cursor locked at the corner (AV1 video warning)

SUMMARY
Please watch the video for more accurate context.
Cursor gets blocked at bottom right corner and can't move it after unlocking the screen.

STEPS TO REPRODUCE
1. Lock the screen.
2. Unlock the screen.

OBSERVED RESULT
Cursor gets locked at the bottom right screen and it goes back to there no matter how much I try to move it from there. I can grow it but it doesn't move.

EXPECTED RESULT
I should be able to freely move my cursor after unlocking the screen.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: Arch Linux
KDE Plasma Version: 6.5.80
KDE Frameworks Version: 6.23.0
Qt Version: 6.10.1

ADDITIONAL INFORMATION
I've just compiled Plasma with the git master version.
Comment 1 Ángel Navarro 2026-01-10 00:28:06 UTC
NOTE: I had to switch to TTY because this bug remains unsolved:

https://bugs.kde.org/show_bug.cgi?id=507023
Comment 2 Ángel Navarro 2026-01-10 02:10:13 UTC
This also happens after opening a cursor-grabbing program/game like SuperTux 2.
Comment 3 Ángel Navarro 2026-01-14 08:27:09 UTC
Hey, I can trigger it just by opening Steam. Please help.
Comment 4 Zamundaaa 2026-01-14 16:42:36 UTC
This is very likely the same as https://invent.kde.org/plasma/kwin/-/merge_requests/8126#note_1382317
Until beta 2, adding
> gamecontrollerEnabled=false
into kwinrc's [Plugins] group should serve as a workaround.
Comment 5 TraceyC 2026-01-14 21:11:28 UTC
This just started happening on my laptop yesterday, which is running Plasma built from git-master
Comment 6 Bug Janitor Service 2026-01-20 19:51:51 UTC
A possibly relevant merge request was started @ https://invent.kde.org/plasma/kwin/-/merge_requests/8679