[+0.20s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.20s] DEBUG: Starting Light Display Manager 1.9.12, UID=0 PID=1183
[+0.20s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-greeter-wrapper.conf
[+0.20s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-guest-wrapper.conf
[+0.20s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
[+0.20s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf
[+0.20s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.20s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/60-gnome.conf
[+0.20s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/60-lightdm-gtk-greeter.conf
[+0.20s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/90-nvidia.conf
[+0.20s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.20s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.20s] DEBUG: Registered seat module xlocal
[+0.20s] DEBUG: Registered seat module xremote
[+0.20s] DEBUG: Registered seat module unity
[+0.20s] DEBUG: Registered seat module surfaceflinger
[+0.21s] DEBUG: Adding default seat
[+0.21s] DEBUG: Seat: Starting
[+0.21s] DEBUG: Seat: Creating greeter session
[+0.21s] DEBUG: Seat: Creating display server of type x
[+0.21s] DEBUG: Deactivating Plymouth
[+0.23s] DEBUG: Using VT 7
[+0.23s] DEBUG: Seat: Starting local X display on VT 7
[+0.23s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
[+0.23s] DEBUG: DisplayServer x-0: Writing X server authority to /var/run/lightdm/root/:0
[+0.23s] DEBUG: DisplayServer x-0: Launching X Server
[+0.23s] DEBUG: Launching process 1369: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.23s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
[+0.23s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.23s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.91s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.91s] DEBUG: User /org/freedesktop/Accounts/User1001 added
[+1.39s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+2.03s] DEBUG: User /org/freedesktop/Accounts/User1000 changed
[+2.92s] DEBUG: Got signal 10 from process 1369
[+2.92s] DEBUG: DisplayServer x-0: Got signal from X server :0
[+2.92s] DEBUG: DisplayServer x-0: Connecting to XServer :0
[+2.93s] DEBUG: Quitting Plymouth; retaining splash
[+2.95s] DEBUG: Launching process 1413: /sbin/prime-offload
[+4.11s] DEBUG: Process 1413 exited with return value 1
[+4.11s] DEBUG: Seat: Exit status of /sbin/prime-offload: 1
[+4.11s] DEBUG: Seat: Stopping display server due to failed setup script
[+4.11s] DEBUG: Sending signal 15 to process 1369
[+4.95s] DEBUG: Process 1369 exited with return value 0
[+4.95s] DEBUG: DisplayServer x-0: X server stopped
[+4.95s] DEBUG: Releasing VT 7
[+4.95s] DEBUG: DisplayServer x-0: Removing X server authority /var/run/lightdm/root/:0
[+4.95s] DEBUG: Seat: Display server stopped
[+4.95s] CRITICAL: x_server_local_get_authority_file_path: assertion 'server != NULL' failed
[+4.95s] CRITICAL: x_server_get_address: assertion 'server != NULL' failed
[+4.95s] DEBUG: Launching process 1504: /sbin/prime-switch
[+5.01s] DEBUG: Process 1504 exited with return value 0
[+5.01s] DEBUG: Seat: Exit status of /sbin/prime-switch: 0
[+5.01s] DEBUG: Seat: Stopping; greeter display server failed to start
[+5.01s] DEBUG: Seat: Stopping
[+5.01s] DEBUG: Seat: Stopping session
[+5.01s] DEBUG: Seat: Session stopped
[+5.01s] DEBUG: Seat: Stopped
[+5.01s] DEBUG: Required seat has stopped
[+5.01s] DEBUG: Stopping display manager
[+5.01s] DEBUG: Display manager stopped
[+5.01s] DEBUG: Stopping daemon
[+5.01s] DEBUG: Seat: Stopping session
[+5.01s] DEBUG: Exiting with return value 1