[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.8.2, UID=0 PID=1053
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/10-ubuntu.conf
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-greeter-wrapper.conf
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-unity-greeter.conf
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-xserver-command.conf
[+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
[+0.00s] DEBUG: Registered seat module surfaceflinger
[+0.00s] DEBUG: Adding default seat
[+0.00s] DEBUG: Seat: Starting
[+0.00s] DEBUG: Seat: Creating greeter session
[+0.00s] DEBUG: Seat: Setting XDG_SEAT=seat0
[+0.00s] DEBUG: Seat: Creating display server of type x
[+0.00s] DEBUG: Seat: Starting local X display
[+0.02s] DEBUG: Deactivating Plymouth
[+0.05s] DEBUG: Using VT 7
[+0.05s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
[+0.05s] DEBUG: DisplayServer x-0: Writing X server authority to /var/run/lightdm/root/:0
[+0.05s] DEBUG: DisplayServer x-0: Launching X Server
[+0.05s] DEBUG: Launching process 1078: /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.05s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
[+0.05s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.05s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+1.59s] DEBUG: Got signal 10 from process 1078
[+1.59s] DEBUG: DisplayServer x-0: Got signal from X server :0
[+1.59s] DEBUG: DisplayServer x-0: Connecting to XServer :0
[+1.63s] DEBUG: Quitting Plymouth; retaining splash
[+1.67s] DEBUG: Seat: Display server ready, starting session authentication
[+1.67s] DEBUG: Session: Setting XDG_VTNR=7
[+1.67s] DEBUG: Session pid=1276: Started with service 'lightdm-greeter', username 'lightdm'
[+2.02s] DEBUG: Session pid=1276: Authentication complete with return value 0: Success
[+2.02s] DEBUG: Seat: Session authenticated, running command
[+2.02s] DEBUG: Session pid=1276: Setting XDG_VTNR=7
[+2.02s] DEBUG: Session pid=1276: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+2.04s] DEBUG: Session pid=1276: Logging to /var/log/lightdm/x-0-greeter.log
[+2.06s] DEBUG: Activating VT 7
[+2.88s] DEBUG: Session pid=1276: Greeter connected version=1.8.2
[+3.35s] DEBUG: Session pid=1276: Greeter start authentication for mattia
[+3.35s] DEBUG: Seat: Setting XDG_SEAT=seat0
[+3.35s] DEBUG: Session: Setting XDG_VTNR=7
[+3.35s] DEBUG: Session pid=1454: Started with service 'lightdm', username 'mattia'
[+3.36s] DEBUG: Session pid=1454: Got 1 message(s) from PAM
[+3.36s] DEBUG: Session pid=1276: Prompt greeter with 1 message(s)
[+3.38s] DEBUG: Session pid=1276: Greeter start authentication for mattia
[+3.38s] DEBUG: Session pid=1454: Sending SIGTERM
[+3.38s] DEBUG: Seat: Setting XDG_SEAT=seat0
[+3.38s] DEBUG: Session: Setting XDG_VTNR=7
[+3.38s] DEBUG: Session pid=1469: Started with service 'lightdm', username 'mattia'
[+3.38s] DEBUG: Session pid=1454: Terminated with signal 15
[+3.38s] DEBUG: Session: Failed during authentication
[+3.38s] DEBUG: Seat: Session stopped
[+3.39s] DEBUG: Session pid=1469: Got 1 message(s) from PAM
[+3.39s] DEBUG: Session pid=1276: Prompt greeter with 1 message(s)
[+102.96s] DEBUG: Session pid=1276: Continue authentication
[+103.01s] DEBUG: Session pid=1469: Authentication complete with return value 0: Success
[+103.01s] DEBUG: Session pid=1276: Authenticate result for user mattia: Success
[+103.03s] DEBUG: Session pid=1276: User mattia authorized
[+103.03s] DEBUG: Session pid=1276: Greeter requests session ubuntu
[+103.09s] DEBUG: Writing /home/mattia/.dmrc
[+103.21s] DEBUG: Seat: Stopping greeter; display server will be re-used for user session
[+103.21s] DEBUG: Session pid=1276: Sending SIGTERM
[+103.25s] DEBUG: Session pid=1276: Exited with return value 0
[+103.25s] DEBUG: Seat: Session stopped
[+103.25s] DEBUG: Seat: Greeter stopped, running session
[+103.25s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+103.26s] DEBUG: Session pid=1469: Setting XDG_VTNR=7
[+103.26s] DEBUG: Session pid=1469: Running command /usr/sbin/lightdm-session gnome-session --session=ubuntu
[+103.26s] DEBUG: Session pid=1469: Logging to .xsession-errors
[+103.31s] DEBUG: Activating VT 7