I'm experiencing the same issue. Here is the output from /var/log/auth.log after attempting to login:
Jan 30 17:52:39 computername login[3483]: pam_unix(login:auth): conversation failed Jan 30 17:52:39 computername login[3483]: pam_unix(login:auth): auth could not identify password for [username] Jan 30 17:52:42 computername login[3483]: FAILED LOGIN (1) on '/dev/tty2' FOR 'UNKNOWN', Authentication failure Jan 30 17:52:42 computername login[3483]: pam_securetty(login:auth): cannot determine username Jan 30 17:52:46 computername login[3483]: FAILED LOGIN (2) on '/dev/tty2' FOR 'UNKNOWN', Error in service module Jan 30 17:52:46 computername login[3483]: pam_securetty(login:auth): cannot determine username Jan 30 17:52:49 computername login[3483]: FAILED LOGIN (3) on '/dev/tty2' FOR 'UNKNOWN', Error in service module -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1812095 Title: console login loop after entering username followed by RETURN To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/1812095/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
