In message #163 Louis Delmas advises pam-auth-update --force then selecting only "Unix Authentication".
I tried selecting only "Register user sessions in the systemd control group hierarchy" and got a weird issue: lightdm allowed logging in without password. Immediately after typing a user name, no password is asked, and logging in is started, as user and as root. This could be a security issue. -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org