https://bugs.kde.org/show_bug.cgi?id=461326
Bug ID: 461326
Summary: Cannot login with SDDM after locking screen (unlock
failed, user unknown in logs)
Classification: Plasma
Product: kscreenlocker
Version: 5.26.2
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: critical
Priority: NOR
Component: greeter
Assignee: plasma-b...@kde.org
Reporter: stylinsonne...@gmail.com
CC: bhus...@gmail.com
Target Milestone: ---
SUMMARY
When I start my laptop and log in, everything is fine. When I lock manually
(meta + L) or my screen locks automatically, I can't log back to system. All I
get is Unlock failed. When I switch to another tty I'm able to log in in root
and my user. Journalctl gives me 'check pass; user unknown' when I try to
unlock screen with sddm. But, when I try to unlock my screen with KDE Connect
on iOS, it unlocks. It started as a random appearing problem, but now I am able
to reproduce it any time i lock the screen.
STEPS TO REPRODUCE
1. Lock screen by using shortcut/menu/automatically (after a period of time)
2. Try to unlock the screen with correct password to user
3. Unlocking failed with correct password
4. After several retries, I get faillock
OBSERVED RESULT
I get Unlock failed every time. Also, after 3 retries i get pam faillock.
Unlocking with KDE Connect is working correctly, I am able to use my system.
EXPECTED RESULT
I can unlock my screen with SDDM.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.26.2
KDE Frameworks Version: 5.99.0
Qt Version: 5.15.7
Kernel Version: 6.0.6-arch1-1 (64-bit)
KDE Connect for iOS version: 0.2.1 (2)
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