[+21625.02s] DEBUG: Got signal 15 from process 1
[+21625.02s] DEBUG: Caught Terminated signal, shutting down
[+21625.02s] DEBUG: Stopping display manager
[+21625.02s] DEBUG: Seat seat0: Stopping
[+21625.02s] DEBUG: Seat seat0: Stopping display server
[+21625.02s] DEBUG: Sending signal 15 to process 1441
[+21625.02s] DEBUG: Seat seat0: Stopping session
[+21625.02s] DEBUG: Session pid=1639: Sending SIGTERM
[+21625.04s] DEBUG: Session pid=1639: Terminated with signal 1
[+21625.04s] DEBUG: Seat seat0: Session stopped
[+21625.16s] DEBUG: Seat seat0 changes active session to 
[+21625.16s] CRITICAL: session_get_login1_session_id: assertion 'session != NULL' failed
[+21625.78s] DEBUG: Process 1441 exited with return value 0
[+21625.78s] DEBUG: DisplayServer x-0: X server stopped
[+21625.78s] DEBUG: Releasing VT 7
[+21625.78s] DEBUG: DisplayServer x-0: Removing X server authority /var/run/lightdm/root/:0
[+21625.78s] DEBUG: Seat seat0: Display server stopped
[+21625.78s] DEBUG: Seat seat0: Stopped
[+21625.78s] DEBUG: Display manager stopped
[+21625.78s] DEBUG: Stopping daemon
[+21625.78s] DEBUG: Exiting with return value 0
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.18.3, UID=0 PID=1263
[+0.00s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-disable-log-backup.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-greeter-wrapper.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-guest-wrapper.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.00s] DEBUG: Loading configuration dirs from /usr/local/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration dirs from /etc/xdg/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.00s] DEBUG: Registered seat module xlocal
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Registered seat module unity
[+0.01s] DEBUG: Monitoring logind for seats
[+0.01s] DEBUG: New seat added from logind: seat0
[+0.01s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.01s] DEBUG: Seat seat0: Starting
[+0.01s] DEBUG: Seat seat0: Creating greeter session
[+0.01s] DEBUG: Seat seat0: Creating display server of type x
[+0.01s] DEBUG: Quitting Plymouth
[+0.02s] DEBUG: Using VT 7
[+0.02s] DEBUG: Seat seat0: Starting local X display on VT 7
[+0.02s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
[+0.02s] DEBUG: DisplayServer x-0: Writing X server authority to /var/run/lightdm/root/:0
[+0.02s] DEBUG: DisplayServer x-0: Launching X Server
[+0.02s] DEBUG: Launching process 1312: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.02s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
[+0.02s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.02s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.02s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.02s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+1.27s] DEBUG: Got signal 10 from process 1312
[+1.27s] DEBUG: DisplayServer x-0: Got signal from X server :0
[+1.27s] DEBUG: DisplayServer x-0: Connecting to XServer :0
[+1.28s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+1.28s] DEBUG: Session pid=1484: Started with service 'lightdm-greeter', username 'lightdm'
[+1.28s] DEBUG: Session pid=1484: Authentication complete with return value 0: Success
[+1.28s] DEBUG: Seat seat0: Session authenticated, running command
[+1.28s] DEBUG: Session pid=1484: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+1.28s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+1.28s] DEBUG: Session pid=1484: Logging to /var/log/lightdm/seat0-greeter.log
[+1.33s] DEBUG: Activating VT 7
[+1.33s] DEBUG: Activating login1 session c1
[+1.33s] DEBUG: Seat seat0 changes active session to c1
[+1.33s] DEBUG: Session c1 is already active
[+1.47s] DEBUG: Greeter connected version=1.18.3 resettable=false
[+1.62s] DEBUG: Greeter start authentication for avian
[+1.62s] DEBUG: Session pid=1535: Started with service 'lightdm', username 'avian'
[+1.62s] DEBUG: Session pid=1535: Got 1 message(s) from PAM
[+1.62s] DEBUG: Prompt greeter with 1 message(s)
[+1.66s] DEBUG: User /org/freedesktop/Accounts/User108 added
[+13.11s] DEBUG: Continue authentication
[+13.11s] DEBUG: Session pid=1535: Authentication complete with return value 0: Success
[+13.11s] DEBUG: Authenticate result for user avian: Success
[+13.11s] DEBUG: User avian authorized
[+13.12s] DEBUG: Greeter requests session ubuntu
[+13.12s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+13.12s] DEBUG: Session pid=1484: Sending SIGTERM
[+13.12s] DEBUG: Session pid=1484: Exited with return value 0
[+13.12s] DEBUG: Seat seat0: Session stopped
[+13.12s] DEBUG: Seat seat0: Greeter stopped, running session
[+13.12s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+13.12s] DEBUG: Session pid=1535: Running command /usr/sbin/lightdm-session gnome-session --session=ubuntu
[+13.12s] DEBUG: Creating shared data directory /var/lib/lightdm-data/avian
[+13.12s] DEBUG: Session pid=1535: Logging to .xsession-errors
[+13.17s] DEBUG: Activating VT 7
[+13.17s] DEBUG: Activating login1 session c2
[+13.17s] DEBUG: Seat seat0 changes active session to c2
[+13.17s] DEBUG: Session c2 is already active