Bug 514569

Summary:	Game controller toggle doesn't work, continuous mouse drift with dualsense
Product:	[Plasma] kwin	Reporter:	Etaash Mathamsetty <etaash.mathamsetty>
Component:	input	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	major	CC:	duha.bugs, xaver.hugl
Priority:	NOR
Version First Reported In:	6.5.90
Target Milestone:	---
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Etaash Mathamsetty 2026-01-14 01:38:48 UTC

SUMMARY

STEPS TO REPRODUCE
1. Plug in Dualsense controller using USB
2. Before plugging it in turn off the game controller as input toggle in system settings

OBSERVED RESULT

The mouse starts drifting to the bottom left corner, and the toggle turns itself back on

EXPECTED RESULT

Shouldn't do anything since the toggle is off, and it shouldn't be drifting in the first place

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: arch linux 
KDE Plasma Version: 6.5.90
KDE Frameworks Version: 6.22
Qt Version: 6.11 beta 1

ADDITIONAL INFORMATION
Did anyone even test this... Sorry if this bug is in the wrong product/component

Comment 1 Etaash Mathamsetty 2026-01-14 01:39:25 UTC

Whoops i meant bottom right instead of bottom left

Comment 2 Etaash Mathamsetty 2026-01-14 01:40:44 UTC

What might be relevant information is that the dualsense has a gyroscope that might be getting read alongside the actual controller input? I can't really check since it's impossible to click anything, unfortunately.

Comment 3 Etaash Mathamsetty 2026-01-14 01:42:28 UTC

Right after making this bug report the feature for using gamepad input as mouse input no longer works. Something really strange is going on

Comment 4 Etaash Mathamsetty 2026-01-14 01:43:29 UTC

(In reply to Etaash Mathamsetty from comment #2)
> What might be relevant information is that the dualsense has a gyroscope
> that might be getting read alongside the actual controller input? I can't
> really check since it's impossible to click anything, unfortunately.

The gyroscope doesn't show up in the game controller tab in system settings, so probably not?

Comment 5 Zamundaaa 2026-01-14 16:19:58 UTC

If you can still reproduce the drift in beta 2, please open a new bug report about it

*** This bug has been marked as a duplicate of bug 514493 ***