Comment 5 for bug 1756226

With the terminal wider to catch the full width of lines:
systemctl status gdm3.service
● gdm.service - GNOME Display Manager
   Loaded: loaded (/lib/systemd/system/gdm.service; static; vendor preset: enabled)
  Drop-In: /lib/systemd/system/display-manager.service.d
           └─xdiagnose.conf
   Active: active (running) since Sat 2018-03-17 13:55:15 AEDT; 6h ago
  Process: 1080 ExecStartPre=/usr/share/gdm/generate-config (code=exited, status=0/SUCCESS)
 Main PID: 1089 (gdm3)
    Tasks: 3 (limit: 11059)
   CGroup: /system.slice/gdm.service
           └─1089 /usr/sbin/gdm3

Mar 17 14:25:59 dansgpu gdm3[1089]: Child process 28436 was already dead.
Mar 17 14:25:59 dansgpu gdm3[1089]: Unable to kill session worker process
Mar 17 14:25:59 dansgpu gdm-launch-environment][28497]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0)
Mar 17 14:26:00 dansgpu gdm-launch-environment][28497]: pam_unix(gdm-launch-environment:session): session closed for user gdm
Mar 17 14:26:00 dansgpu gdm3[1089]: GdmDisplay: display lasted 0.199467 seconds
Mar 17 14:26:00 dansgpu gdm3[1089]: Could not start command '/usr/lib/gdm3/gdm-session-worker': Too many open files
Mar 17 14:26:00 dansgpu gdm3[1089]: GLib: g_child_watch_add_full: assertion 'pid > 0' failed
Mar 17 14:26:00 dansgpu gdm3[1089]: Child process -28522 was already dead.
Mar 17 14:26:00 dansgpu gdm3[1089]: Child process 28497 was already dead.
Mar 17 14:26:00 dansgpu gdm3[1089]: Unable to kill session worker process
daniel@dansgpu:~$