User account periodically fails to login with correct password

[freggel.doe]

Check if faillock hits:

How to disable "The account is locked due to three failed attempts" in Gnome?

Set deny = 0 in /etc/security/faillock.conf. See Security - ArchWiki

I’ve read reports in the past mentioning fingerprint sensors inadvertently triggering faillock mechanism leading to seemingly not working correct passwords.