Bug 477374

Summary:	Plasma on Wayland fails to recognize numlock status on startup
Product:	[Plasma] kwin	Reporter:	Guido Winkelmann <guido-kdebugs>
Component:	input	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	minor	CC:	kdedev, nate
Priority:	NOR
Version First Reported In:	5.27.8
Target Milestone:	---
Platform:	Gentoo Packages
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Guido Winkelmann 2023-11-22 15:23:44 UTC

SUMMARY
When starting up KDE Plasma (kde-plasma/kwin-5.27.8-r3) when NumLock is already enabled, it will leave the NumLock indicator on the keyboard on, but treat keyboard input as if NumLock were off. If the NumLock button is pressed in this situation, the internal NumLock status will stay off and the keyboard's NumLock indicator will go dark.

STEPS TO REPRODUCE
1.  Start up SDDM
2. Make sure NumLock is enabled
3. Log in to a Plasma on Wayland session

OBSERVED RESULT
1 - After startup, the keyboard LED indicates the wrong NumLock status.
2 - NumLock is effectively off after Plasma start in all cases I have seen.

EXPECTED RESULT
1 - The status of the keyboard's NumLock LED should always correspond 1-1 to how the system will interpret input on the NumPad.
2 - If NumLock is enabled before Plasma starts up, it should still be enabled after startup unless intentionally disabled by the user.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Linux 6.1.62, Plasma 5.27.8
(available in About System)
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.11

ADDITIONAL INFORMATION
While I am reporting this for kwin version 5.27.8, I have seen this behavior in all versions of kwin on Wayland I have tried so far. I have not seen it in kwin on X.
See also the corresponding bug report in the Gentoo bug tracker: https://bugs.gentoo.org/917749

Comment 1 TraceyC 2024-05-23 20:16:50 UTC

I found this bug when I was researching why the Numlock state is "off" even though I have set
Settings -> keyboard ->Hardware -> NumLock on Plasma Startup to "on"

Plasma 6 with a Wayland session
As a workaround, under Advanced, I enabled "Numeric keypad always enters digits (as in macOS)

Operating System: Solus 4.5
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.2.0
Qt Version: 6.7.1
Kernel Version: 6.8.10-291.current (64-bit)
Graphics Platform: Wayland
Processors: 16 × 11th Gen Intel® Core™ i7-11800H @ 2.30GHz
Memory: 62.5 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics
Manufacturer: Dell Inc.
Product Name: XPS 17 9710

Comment 2 TraceyC 2024-05-23 20:26:52 UTC

Found an earlier bug for this, marking this one as duplicate.

*** This bug has been marked as a duplicate of bug 368063 ***