Bug 509542

Summary:	Erroneous lock screen invitations to use fingerprint scanner when that is not enabled/configured
Product:	[Plasma] plasmashell	Reporter:	William Ethridge <gamerminstrel>
Component:	Screen locking	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	minor	CC:	kdedev
Priority:	NOR
Version First Reported In:	6.4.80
Target Milestone:	1.0
Platform:	KDE Linux
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description William Ethridge 2025-09-16 01:04:50 UTC

SUMMARY
My laptop has a fingerprint scanner, but it is likely not detected in Linux.

Initial sign-in does not offer fingerprint sign-in, but coming back from lock screen does?

I do not see any settings or options to configure fingerprint scanning for lock screen or authentication.

STEPS TO REPRODUCE
1. on boot, login screen show no indications of fingerprint scanning functionality
2. in Settings, there is no listed option to configure fingerprint scanning.
3. on screen lock, it offers to use a fingerprint scanner.

OBSERVED RESULT
fingerprint scanner is not detected

EXPECTED RESULT
if there is no fingerprint scanner detected, it shouldn't offer fingerprint signin.
Ideally I would like to try out the fingerprint scanner on this device though.

SOFTWARE/OS VERSIONS
Operating System: KDE Linux 2025-09-15
KDE Plasma Version: 6.4.80
KDE Frameworks Version: 6.19.0
Qt Version: 6.9.2
Kernel Version: 6.16.7-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® N150
Memory: 12 GiB of RAM (11.4 GiB usable)
Graphics Processor: Intel® Graphics


ADDITIONAL INFORMATION

Comment 1 TraceyC 2025-09-16 16:54:57 UTC

Thanks for the bug report. This had been reported in bug 505987, so I'm merging this report into the existing one. Please follow that report for updates.

*** This bug has been marked as a duplicate of bug 505987 ***