● lightdm.service - Light Display Manager
   Loaded: loaded (/lib/systemd/system/lightdm.service; static; vendor preset: enabled)
   Active: failed (Result: start-limit) since Mon 2015-05-11 08:54:11 IST; 3min 3s ago
     Docs: man:lightdm(1)
  Process: 2858 ExecStartPre=/bin/sh -c [ "$(basename $(cat /etc/X11/default-display-manager 2>/dev/null))" = "lightdm" ] (code=exited, status=1/FAILURE)

May 11 08:54:10 viyyer-Latitude-E6530 systemd[1]: Failed to start Light Display Manager.
May 11 08:54:10 viyyer-Latitude-E6530 systemd[1]: Unit lightdm.service entered failed state.
May 11 08:54:10 viyyer-Latitude-E6530 systemd[1]: lightdm.service failed.
May 11 08:54:11 viyyer-Latitude-E6530 systemd[1]: lightdm.service holdoff time over, scheduling restart.
May 11 08:54:11 viyyer-Latitude-E6530 systemd[1]: start request repeated too quickly for lightdm.service
May 11 08:54:11 viyyer-Latitude-E6530 systemd[1]: Failed to start Light Display Manager.
May 11 08:54:11 viyyer-Latitude-E6530 systemd[1]: Unit lightdm.service entered failed state.
May 11 08:54:11 viyyer-Latitude-E6530 systemd[1]: lightdm.service failed.