[+0.04s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.04s] DEBUG: Starting Light Display Manager 1.7.9, UID=0 PID=1076
[+0.04s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.04s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-greeter-wrapper.conf
[+0.04s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-ubuntu.conf
[+0.04s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-unity-greeter.conf
[+0.04s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.04s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.11s] DEBUG: Registered seat module xlocal
[+0.11s] DEBUG: Registered seat module xremote
[+0.11s] DEBUG: Registered seat module unity
[+0.11s] DEBUG: Adding default seat
[+0.11s] DEBUG: Starting seat
[+0.11s] DEBUG: Creating greeter session
[+0.11s] DEBUG: Creating display server of type x
[+0.11s] DEBUG: Starting local X display
[+0.11s] DEBUG: Deactivating Plymouth
[+0.14s] DEBUG: Using VT 7
[+0.14s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+0.14s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+0.14s] DEBUG: Launching X Server
[+0.14s] DEBUG: Launching process 1150: /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.14s] DEBUG: Waiting for ready signal from X server :0
[+0.14s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.14s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+1.85s] DEBUG: Got signal 10 from process 1150
[+1.85s] DEBUG: Got signal from X server :0
[+1.85s] DEBUG: Connecting to XServer :0
[+1.85s] DEBUG: Quitting Plymouth; retaining splash
[+1.88s] DEBUG: Display server ready, starting session authentication
[+1.88s] DEBUG: Started session 1349 with service 'lightdm-greeter', username 'lightdm'
[+5.68s] DEBUG: Session 1349 authentication complete with return value 0: Success
[+5.68s] DEBUG: Session authenticated, running command
[+5.68s] DEBUG: Session 1349 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+5.82s] DEBUG: Activating VT 7
[+7.95s] DEBUG: Greeter connected version=1.7.9
[+9.49s] DEBUG: Greeter start authentication for xiongnu
[+9.49s] DEBUG: Started session 1805 with service 'lightdm', username 'xiongnu'
[+9.50s] DEBUG: Session 1805 got 1 message(s) from PAM
[+9.50s] DEBUG: Prompt greeter with 1 message(s)
[+9.53s] DEBUG: Greeter start authentication for xiongnu
[+9.53s] DEBUG: Session 1805: Sending SIGTERM
[+9.53s] DEBUG: Started session 1806 with service 'lightdm', username 'xiongnu'
[+9.53s] DEBUG: Session 1805 terminated with signal 15
[+9.53s] DEBUG: Session 1805 failed during authentication
[+9.53s] DEBUG: Session stopped
[+9.54s] DEBUG: Session 1806 got 1 message(s) from PAM
[+9.54s] DEBUG: Prompt greeter with 1 message(s)
[+13.02s] DEBUG: Continue authentication
[+13.11s] DEBUG: Session 1806 authentication complete with return value 0: Success
[+13.11s] DEBUG: Authenticate result for user xiongnu: Success
[+13.12s] DEBUG: User xiongnu authorized
[+13.13s] DEBUG: Greeter requests session ubuntu
[+13.15s] DEBUG: Dropping privileges to uid 1000
[+13.15s] DEBUG: Calling setresgid
[+13.15s] DEBUG: Calling setresuid
[+13.15s] DEBUG: Restoring privileges
[+13.15s] DEBUG: Calling setresuid
[+13.15s] DEBUG: Calling setresgid
[+13.17s] DEBUG: Dropping privileges to uid 1000
[+13.17s] DEBUG: Calling setresgid
[+13.17s] DEBUG: Calling setresuid
[+13.17s] DEBUG: Writing /home/xiongnu/.dmrc
[+13.22s] DEBUG: Restoring privileges
[+13.22s] DEBUG: Calling setresuid
[+13.22s] DEBUG: Calling setresgid
[+13.25s] DEBUG: Stopping greeter; display server will be re-used for user session
[+13.25s] DEBUG: Session 1349: Sending SIGTERM
[+13.28s] DEBUG: Session 1349 exited with return value 0
[+13.28s] DEBUG: Session stopped
[+13.28s] DEBUG: Greeter stopped, running session
[+13.28s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+13.28s] DEBUG: Session 1806 running command /usr/sbin/lightdm-session gnome-session --session=ubuntu
[+13.36s] DEBUG: Activating VT 7
[+25.06s] DEBUG: Greeter closed communication channel