[+336394.92s] DEBUG: Session pid=1903: Exited with return value 1
[+336394.93s] DEBUG: Seat seat0: Session stopped
[+336394.93s] DEBUG: Seat seat0: Stopping display server, no sessions require it
[+336394.93s] DEBUG: Sending signal 15 to process 1396
[+336395.47s] DEBUG: Process 1396 terminated with signal 6
[+336395.47s] DEBUG: XServer 0: X server stopped
[+336395.47s] DEBUG: Releasing VT 7
[+336395.47s] DEBUG: XServer 0: Removing X server authority /var/run/lightdm/root/:0
[+336395.47s] DEBUG: Seat seat0: Display server stopped
[+336395.47s] DEBUG: Launching process 146276: /sbin/prime-switch
[+336395.56s] DEBUG: Process 146276 exited with return value 0
[+336395.56s] DEBUG: Seat seat0: Exit status of /sbin/prime-switch: 0
[+336395.56s] DEBUG: Seat seat0: Active display server stopped, starting greeter
[+336395.56s] DEBUG: Seat seat0: Creating greeter session
[+336395.56s] DEBUG: Seat seat0: Creating display server of type x
[+336395.56s] DEBUG: Using VT 7
[+336395.56s] DEBUG: Seat seat0: Starting local X display on VT 7
[+336395.56s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+336395.56s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0
[+336395.56s] DEBUG: XServer 0: Launching X Server
[+336395.56s] DEBUG: Launching process 146296: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+336395.56s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+336396.05s] DEBUG: Got signal 10 from process 146296
[+336396.05s] DEBUG: XServer 0: Got signal from X server :0
[+336396.05s] DEBUG: XServer 0: Connecting to XServer :0
[+336396.14s] DEBUG: Launching process 146354: /sbin/prime-offload
[+336396.15s] DEBUG: Process 146354 exited with return value 0
[+336396.15s] DEBUG: Seat seat0: Exit status of /sbin/prime-offload: 0
[+336396.15s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+336396.15s] DEBUG: Session pid=146359: Started with service 'lightdm-greeter', username 'lightdm'
[+336396.17s] DEBUG: Session pid=146359: Authentication complete with return value 0: Success
[+336396.17s] DEBUG: Seat seat0: Session authenticated, running command
[+336396.17s] DEBUG: Session pid=146359: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/arctica-greeter
[+336396.17s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+336396.17s] DEBUG: Session pid=146359: Logging to /var/log/lightdm/seat0-greeter.log
[+336396.40s] DEBUG: Activating VT 7
[+336396.40s] DEBUG: Activating login1 session c3
[+336396.41s] DEBUG: Seat seat0 changes active session to c3
[+336396.41s] DEBUG: Session c3 is already active
[+336396.69s] DEBUG: Greeter connected version=1.30.0 api=1 resettable=false
[+336397.23s] DEBUG: Greeter start authentication for sim
[+336397.23s] DEBUG: Session pid=146502: Started with service 'lightdm', username 'sim'
[+336397.23s] DEBUG: Session pid=146502: Got 1 message(s) from PAM
[+336397.23s] DEBUG: Prompt greeter with 1 message(s)
[+338441.97s] DEBUG: Continue authentication
[+338441.99s] DEBUG: Session pid=146502: Authentication complete with return value 0: Success
[+338441.99s] DEBUG: Authenticate result for user sim: Success
[+338441.99s] DEBUG: User sim authorized
[+338441.99s] DEBUG: Greeter requests session mate
[+338441.99s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+338441.99s] DEBUG: Terminating login1 session c3
[+338442.00s] DEBUG: Session pid=146359: Sending SIGTERM
[+338442.00s] DEBUG: Session pid=146359: Exited with return value 0
[+338442.00s] DEBUG: Seat seat0: Session stopped
[+338442.00s] DEBUG: Seat seat0: Greeter stopped, running session
[+338442.00s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session1
[+338442.00s] DEBUG: Session pid=146502: Running command /usr/sbin/lightdm-session mate-session
[+338442.00s] DEBUG: Creating shared data directory /var/lib/lightdm-data/sim
[+338442.00s] DEBUG: Session pid=146502: Logging to .xsession-errors
[+338442.05s] DEBUG: Activating VT 7
[+338442.05s] DEBUG: Activating login1 session c4
[+338442.05s] DEBUG: Seat seat0 changes active session to c4
[+338442.05s] DEBUG: Session c4 is already active