Comment # 10 on bug 968042 from Franck Bui

(In reply to Dr. Werner Fink from comment #9)
> (In reply to Franck Bui from comment #8)
> 
> Indeed the new xdm package has now a native service unit
> 
>    /usr/lib/systemd/system/display-manager.service
> 
> which then executes the script
> 
>    /usr/lib/X11/display-manager
> 
> From the journal log I see
>    systemd[1]: samba2.mount mount process exited, code=exited status=32
>    systemd[1]: Failed to mount /samba2.
>    systemd[1]: Dependency failed for Remote File Systems.
>    systemd[1]: Dependency failed for Postfix Mail Transport Agent.
>    systemd[1]: Dependency failed for LSB: X Display Manager.
>    systemd[1]: Dependency failed for LSB: Network time protocol daemon
> (ntpd).
> 
> The question rises *which* of the dependencies does cause this.  

Well that's probably due to:

  graphical.target -> xdm.service -> $remote_fs (remote-fs.target)

assuming that graphical target is the default one.