Hi Are you sure it has nothing to do with this: https://bbs.archlinux.org/viewtopic.php?id=258492 Happened to me too. On 6 November 2020 19:03:43 CET, flipee via arch-general <arch-general@xxxxxxxxxxxxx> wrote: >6 de nov. de 2020 14:43 por fons@xxxxxxxxxxxxxx: > >> Hello all, >> >> After a full upgrade it seems I'm locked out :-( >> >> The system boots normally, and shows the xdm login screen. >> But my password is not accepted. Same in a tty, also for >> root. >> >> I can boot using an installation stick, mount all partitions >> under /mnt as during installation, and do an arch-chroot /mnt >> >> I reset my password and the root password in that environment, >> but that didn't help. After a normal boot I'm still locked out. >> >> Any hints to solve this will be much appreciated ! >> >> -- >> FA >> >It looks like a PAM lockout [1]. > >[1] https://wiki.archlinux.org/index.php/Security#Lock_out_user_after_three_failed_login_attempts > >-- >Regards, >flipee