Message on the terminal after logging out of XFCE

gistfile1.txt

Running exit commands...
/usr/bin/xinit: connection to X server lost

waiting for X server to shut down xscreensaver: 13:28:19: SIGHUP received: restarting...
xscreensaver: 13:28:19: running as harm/harm (1000/1000)

xscreensaver: 13:28:19: Can't open display: :1.0
xscreensaver: 13:28:19: running as harm/harm (1000/1000)

xscreensaver: 13:28:19: Errors at startup are usually authorization problems.
              But you're not logging in as root (good!) so something
              else must be wrong.  Did you read the manual and the FAQ?

              http://www.jwz.org/xscreensaver/faq.html
              http://www.jwz.org/xscreensaver/man.html

(EE) Server terminated successfully (0). Closing log file.

Unmounting /mnt/stateful_partition/crouton/chroots/precise...