[+15391.68s] DEBUG: Session pid=1272: Exited with return value 0
[+15391.68s] DEBUG: Seat seat0: Session stopped
[+15391.68s] DEBUG: Seat seat0: Stopping display server, no sessions require it
[+15391.68s] DEBUG: Sending signal 15 to process 1076
[+15392.12s] DEBUG: Process 1076 exited with return value 0
[+15392.12s] DEBUG: XServer 0: X server stopped
[+15392.12s] DEBUG: Releasing VT 7
[+15392.12s] DEBUG: XServer 0: Removing X server authority /var/run/lightdm/root/:0
[+15392.12s] DEBUG: Seat seat0: Display server stopped
[+15392.12s] DEBUG: Launching process 5853: /sbin/prime-switch
[+15392.29s] DEBUG: Process 5853 exited with return value 0
[+15392.29s] DEBUG: Seat seat0: Exit status of /sbin/prime-switch: 0
[+15392.29s] DEBUG: Seat seat0: Active display server stopped, starting greeter
[+15392.29s] DEBUG: Seat seat0: Creating greeter session
[+15392.29s] DEBUG: Seat seat0: Creating display server of type x
[+15392.29s] DEBUG: Using VT 7
[+15392.29s] DEBUG: Seat seat0: Starting local X display on VT 7
[+15392.29s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+15392.29s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0
[+15392.29s] DEBUG: XServer 0: Launching X Server
[+15392.29s] DEBUG: Launching process 5874: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+15392.29s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+15393.45s] DEBUG: Got signal 10 from process 5874
[+15393.45s] DEBUG: XServer 0: Got signal from X server :0
[+15393.45s] DEBUG: XServer 0: Connecting to XServer :0
[+15393.52s] DEBUG: Launching process 5882: /sbin/prime-offload
[+15393.54s] DEBUG: Process 5882 exited with return value 0
[+15393.54s] DEBUG: Seat seat0: Exit status of /sbin/prime-offload: 0
[+15393.55s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+15393.55s] DEBUG: Session pid=5887: Started with service 'lightdm-greeter', username 'lightdm'
[+15393.60s] DEBUG: Session pid=5887: Authentication complete with return value 0: Success
[+15393.60s] DEBUG: Seat seat0: Session authenticated, running command
[+15393.60s] DEBUG: Session pid=5887: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/slick-greeter
[+15393.61s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+15393.61s] DEBUG: Session pid=5887: Logging to /var/log/lightdm/seat0-greeter.log
[+15393.83s] DEBUG: Activating VT 7
[+15393.83s] DEBUG: Activating login1 session c3
[+15393.84s] DEBUG: Seat seat0 changes active session to c3
[+15393.84s] DEBUG: Session c3 is already active
[+15394.66s] DEBUG: Greeter connected version=1.26.0 api=1 resettable=false
[+15394.97s] DEBUG: Greeter start authentication for ncrr
[+15394.97s] DEBUG: Session pid=5955: Started with service 'lightdm', username 'ncrr'
[+15394.99s] DEBUG: Session pid=5955: Got 1 message(s) from PAM
[+15394.99s] DEBUG: Prompt greeter with 1 message(s)
[+20306.70s] DEBUG: Continue authentication
[+20306.75s] DEBUG: Session pid=5955: Authentication complete with return value 0: Success
[+20306.75s] DEBUG: Authenticate result for user ncrr: Success
[+20306.75s] DEBUG: User ncrr authorized
[+20306.76s] DEBUG: Greeter requests session mate
[+20306.76s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+20306.76s] DEBUG: Terminating login1 session c3
[+20306.78s] DEBUG: Session pid=5887: Sending SIGTERM
[+20306.78s] DEBUG: Session pid=5887: Exited with return value 0
[+20306.78s] DEBUG: Seat seat0: Session stopped
[+20306.78s] DEBUG: Seat seat0: Greeter stopped, running session
[+20306.79s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session1
[+20306.79s] DEBUG: Session pid=5955: Running command /usr/sbin/lightdm-session mate-session
[+20306.79s] DEBUG: Creating shared data directory /var/lib/lightdm-data/ncrr
[+20306.79s] DEBUG: Session pid=5955: Logging to .xsession-errors
[+20306.90s] DEBUG: Activating VT 7
[+20306.90s] DEBUG: Activating login1 session c4
[+20306.90s] DEBUG: Seat seat0 changes active session to 
[+20306.90s] DEBUG: Seat seat0 changes active session to c4
[+20306.90s] DEBUG: Session c4 is already active
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.26.0, UID=0 PID=1060
[+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-guest.conf
[+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-slick-greeter.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-ubuntu-mate.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/90-nvidia.conf
[+0.00s] DEBUG:   [SeatDefaults] is now called [Seat:*], please update this configuration
[+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: Registered seat module local
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Registered seat module unity
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.03s] DEBUG: Monitoring logind for seats
[+0.03s] DEBUG: New seat added from logind: seat0
[+0.03s] WARNING: Seat type 'xlocal' is deprecated, use 'type=local' instead
[+0.03s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.03s] DEBUG: Seat seat0: Starting
[+0.03s] DEBUG: Seat seat0: Creating greeter session
[+0.03s] DEBUG: Seat seat0: Creating display server of type x
[+0.04s] DEBUG: Using VT 7
[+0.04s] DEBUG: Seat seat0: Starting local X display on VT 7
[+0.04s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+0.04s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0
[+0.04s] DEBUG: XServer 0: Launching X Server
[+0.04s] DEBUG: Launching process 1070: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.04s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+0.05s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.06s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.08s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.08s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+1.30s] DEBUG: Got signal 10 from process 1070
[+1.30s] DEBUG: XServer 0: Got signal from X server :0
[+1.30s] DEBUG: XServer 0: Connecting to XServer :0
[+1.37s] DEBUG: Launching process 1156: /sbin/prime-offload
[+1.38s] DEBUG: Process 1156 exited with return value 0
[+1.38s] DEBUG: Seat seat0: Exit status of /sbin/prime-offload: 0
[+1.38s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+1.38s] DEBUG: Session pid=1161: Started with service 'lightdm-greeter', username 'lightdm'
[+1.42s] DEBUG: Session pid=1161: Authentication complete with return value 0: Success
[+1.42s] DEBUG: Seat seat0: Session authenticated, running command
[+1.42s] DEBUG: Session pid=1161: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/slick-greeter
[+1.42s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+1.42s] DEBUG: Session pid=1161: Logging to /var/log/lightdm/seat0-greeter.log
[+1.61s] DEBUG: Activating VT 7
[+1.61s] DEBUG: Activating login1 session c1
[+1.61s] DEBUG: Seat seat0 changes active session to c1
[+1.61s] DEBUG: Session c1 is already active
[+2.37s] DEBUG: Greeter connected version=1.26.0 api=1 resettable=false
[+3.01s] DEBUG: Greeter start authentication for ncrr
[+3.01s] DEBUG: Session pid=1262: Started with service 'lightdm', username 'ncrr'
[+3.03s] DEBUG: Session pid=1262: Got 1 message(s) from PAM
[+3.03s] DEBUG: Prompt greeter with 1 message(s)
[+8.11s] DEBUG: Continue authentication
[+8.15s] DEBUG: Session pid=1262: Authentication complete with return value 0: Success
[+8.15s] DEBUG: Authenticate result for user ncrr: Success
[+8.15s] DEBUG: User ncrr authorized
[+8.20s] DEBUG: Greeter requests session mate
[+8.20s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+8.20s] DEBUG: Terminating login1 session c1
[+8.22s] DEBUG: Session pid=1161: Sending SIGTERM
[+8.22s] DEBUG: Session pid=1161: Exited with return value 0
[+8.22s] DEBUG: Seat seat0: Session stopped
[+8.22s] DEBUG: Seat seat0: Greeter stopped, running session
[+8.22s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+8.23s] DEBUG: Session pid=1262: Running command /usr/sbin/lightdm-session mate-session
[+8.23s] DEBUG: Creating shared data directory /var/lib/lightdm-data/ncrr
[+8.23s] DEBUG: Session pid=1262: Logging to .xsession-errors
[+8.45s] DEBUG: Activating VT 7
[+8.45s] DEBUG: Activating login1 session c2
[+8.45s] DEBUG: Seat seat0 changes active session to c2
[+8.45s] DEBUG: Session c2 is already active