I fix the problem by copying file "/etc/pam.d/gdm3-autologin" from "gdm3" package to "/etc/pam.d/lightdm-autologin".
Mikhail -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org