[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.2.1, UID=0 PID=1143
[+0.00s] DEBUG: Loaded 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: Adding default seat
[+0.00s] DEBUG: Starting seat
[+0.00s] DEBUG: Starting new display for greeter
[+0.00s] DEBUG: Starting local X display
[+0.53s] DEBUG: X server :0 will replace Plymouth
[+0.55s] DEBUG: Using VT 7
[+0.55s] DEBUG: Activating VT 7
[+0.55s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+0.55s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+0.55s] DEBUG: Launching X Server
[+0.55s] DEBUG: Launching process 1169: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none
[+0.55s] DEBUG: Waiting for ready signal from X server :0
[+0.55s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.56s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+1.98s] DEBUG: Got signal 10 from process 1169
[+1.98s] DEBUG: Got signal from X server :0
[+1.98s] DEBUG: Stopping Plymouth, X server is ready
[+2.00s] DEBUG: Connecting to XServer :0
[+2.01s] DEBUG: Starting greeter
[+2.01s] DEBUG: Started session 1322 with service 'lightdm', username 'lightdm'
[+2.25s] DEBUG: Session 1322 authentication complete with return value 0: Success
[+2.25s] DEBUG: Greeter authorized
[+2.25s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log
[+2.25s] DEBUG: Session 1322 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+2.53s] DEBUG: Greeter connected version=1.2.1
[+2.53s] DEBUG: Greeter connected, display is ready
[+2.53s] DEBUG: New display ready, switching to it
[+2.53s] DEBUG: Activating VT 7
[+3.18s] DEBUG: Greeter start authentication for lufuhao
[+3.18s] DEBUG: Started session 1685 with service 'lightdm', username 'lufuhao'
[+3.19s] DEBUG: Session 1685 got 1 message(s) from PAM
[+3.19s] DEBUG: Prompt greeter with 1 message(s)
[+14.04s] DEBUG: Continue authentication
[+14.07s] DEBUG: Session 1685 authentication complete with return value 0: Success
[+14.07s] DEBUG: Authenticate result for user lufuhao: Success
[+14.09s] DEBUG: User lufuhao authorized
[+14.10s] DEBUG: Greeter requests session ubuntu
[+14.10s] DEBUG: Using session ubuntu
[+14.10s] DEBUG: Stopping greeter
[+14.10s] DEBUG: Session 1322: Sending SIGTERM
[+14.16s] DEBUG: Session 1322 exited with return value 0
[+14.16s] DEBUG: Greeter quit
[+14.18s] DEBUG: Dropping privileges to uid 1000
[+14.18s] DEBUG: Restoring privileges
[+14.19s] DEBUG: Dropping privileges to uid 1000
[+14.19s] DEBUG: Writing /home/lufuhao/.dmrc
[+14.24s] DEBUG: Restoring privileges
[+14.31s] DEBUG: Starting session ubuntu as user lufuhao
[+14.31s] DEBUG: Session 1685 running command /usr/sbin/lightdm-session gnome-session --session=ubuntu
[+14.33s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+14.33s] DEBUG: Greeter closed communication channel