Did you only installed "libpam-systemd" or did you also boot with systemd (instead of SysVinit) ?
You can temporary boot using systemd by editing the GRUB kernel command line (press "e" inside GRUB) and append "init=/lib/systemd/systemd" to it. For further information see https://wiki.debian.org/systemd -- Jascha Geerds j...@ekby.de -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org