users of systemd and lxdm or lightdm please read and comment [solved]

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https://bbs.archlinux.org – Hello, I have a problem when I connect multi-user on xfce session with lxdm. loginctl commande return me only one session (the first connected). Full description of my bug here : starting xfce session from lxdm properly (systemd-logind support).I've modify my /etc/pam.d/lxdm from#%PAM-1.0 auth requisite pam_nologin.so auth required pam_env.so auth required pam_unix.so account required pam_unix.so session required pam_limits.so session required pam_unix.so password required pam_u (HowTos)