[+612121.50s] DEBUG: Session pid=2235: Exited with return value 0
[+612121.50s] DEBUG: Seat seat0: Session stopped
[+612121.50s] DEBUG: Seat seat0: Stopping display server, no sessions require it
[+612121.50s] DEBUG: Sending signal 15 to process 1688
[+612122.13s] DEBUG: Process 1688 exited with return value 0
[+612122.13s] DEBUG: XServer 0: X server stopped
[+612122.13s] DEBUG: Releasing VT 7
[+612122.13s] DEBUG: XServer 0: Removing X server authority /var/run/lightdm/root/:0
[+612122.13s] DEBUG: Seat seat0: Display server stopped
[+612122.13s] DEBUG: Seat seat0: Active display server stopped, starting greeter
[+612122.13s] DEBUG: Seat seat0: Creating greeter session
[+612122.13s] DEBUG: Seat seat0: Creating display server of type x
[+612122.13s] DEBUG: Using VT 7
[+612122.13s] DEBUG: Seat seat0: Starting local X display on VT 7
[+612122.13s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+612122.13s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0
[+612122.13s] DEBUG: XServer 0: Launching X Server
[+612122.13s] DEBUG: Launching process 11391: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+612122.13s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+612122.97s] DEBUG: Got signal 10 from process 11391
[+612122.97s] DEBUG: XServer 0: Got signal from X server :0
[+612122.97s] DEBUG: XServer 0: Connecting to XServer :0
[+612122.98s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+612122.98s] DEBUG: Session pid=11412: Started with service 'lightdm-greeter', username 'lightdm'
[+612122.99s] DEBUG: Session pid=11412: Authentication complete with return value 0: Success
[+612122.99s] DEBUG: Seat seat0: Session authenticated, running command
[+612122.99s] DEBUG: Session pid=11412: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+612122.99s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+612122.99s] DEBUG: Session pid=11412: Logging to /var/log/lightdm/seat0-greeter.log
[+612123.54s] DEBUG: Activating VT 7
[+612123.54s] DEBUG: Activating login1 session c3
[+612123.55s] DEBUG: Seat seat0 changes active session to c3
[+612123.55s] DEBUG: Session c3 is already active
[+612123.71s] DEBUG: Greeter connected version=1.22.0 api=1 resettable=false
[+612124.26s] DEBUG: Greeter start authentication for david
[+612124.26s] DEBUG: Session pid=11677: Started with service 'lightdm', username 'david'
[+612124.27s] DEBUG: Session pid=11677: Got 1 message(s) from PAM
[+612124.27s] DEBUG: Prompt greeter with 1 message(s)
[+612127.91s] DEBUG: User /org/freedesktop/Accounts/User113 added
[+612130.85s] DEBUG: Continue authentication
[+612130.87s] DEBUG: Session pid=11677: Authentication complete with return value 0: Success
[+612130.87s] DEBUG: Authenticate result for user david: Success
[+612130.87s] DEBUG: User david authorized
[+612130.87s] DEBUG: Greeter requests session ubuntu
[+612130.87s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+612130.87s] DEBUG: Terminating login1 session c3
[+612130.88s] DEBUG: Session pid=11412: Sending SIGTERM
[+612130.88s] DEBUG: Session pid=11412: Exited with return value 0
[+612130.88s] DEBUG: Seat seat0: Session stopped
[+612130.88s] DEBUG: Seat seat0: Greeter stopped, running session
[+612130.88s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session1
[+612130.88s] DEBUG: Session pid=11677: Running command /usr/bin/lightdm-unity8-session /usr/lib/gnome-session/run-systemd-session ubuntu-session.target
[+612130.88s] DEBUG: Creating shared data directory /var/lib/lightdm-data/david
[+612130.88s] DEBUG: Session pid=11677: Logging to .xsession-errors
[+612130.91s] DEBUG: Activating VT 7
[+612130.91s] DEBUG: Activating login1 session c4
[+612130.91s] DEBUG: Seat seat0 changes active session to c4
[+612130.91s] DEBUG: Session c4 is already active