Why can I SSH with pubkey but password authentication fails on PAM?

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http://serverfault.com – My problem is this: I can log in with a public key, but if I try to log in with a password, the authentication fails. My operating system is Arch Linux Arm, running on a Raspberry PI. Relevant lines and parts therein of /var/log/auth.log: sshd[4191]: pam_unix(sshd:auth): authentication failure ... sshd[4191]: Failed password for ... Relevant line in /etc/ssh/sshd_config is PasswordAuthentication yes Relevant lines in /etc/pam.d/system-login auth required pam_tally.so onerr=succeed file=/var/log/faillog auth required pam_shells.so auth requisite pam_nologi (HowTos)