[+0.57s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.57s] DEBUG: Starting Light Display Manager 1.10.1, UID=0 PID=1228
[+0.57s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d
[+0.57s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-greeter-wrapper.conf
[+0.57s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-guest-wrapper.conf
[+0.57s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
[+0.57s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf
[+0.57s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.57s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/60-gnome.conf
[+0.57s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/60-lightdm-gtk-greeter.conf
[+0.57s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/90-nvidia.conf
[+0.57s] DEBUG: Loading configuration dirs from /usr/local/share/lightdm/lightdm.conf.d
[+0.57s] DEBUG: Loading configuration dirs from /etc/xdg/lightdm/lightdm.conf.d
[+0.57s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/10-xubuntu.conf
[+0.57s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.57s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.57s] DEBUG: Registered seat module xlocal
[+0.57s] DEBUG: Registered seat module xremote
[+0.57s] DEBUG: Registered seat module unity
[+0.57s] DEBUG: Registered seat module surfaceflinger
[+0.57s] DEBUG: Adding default seat
[+0.57s] DEBUG: Seat: Starting
[+0.57s] DEBUG: Seat: Creating greeter session
[+0.57s] DEBUG: Seat: Creating display server of type x
[+0.57s] DEBUG: Deactivating Plymouth
[+0.60s] DEBUG: Using VT 7
[+0.60s] DEBUG: Seat: Starting local X display on VT 7
[+0.60s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
[+0.60s] DEBUG: DisplayServer x-0: Writing X server authority to /var/run/lightdm/root/:0
[+0.60s] DEBUG: DisplayServer x-0: Launching X Server
[+0.60s] DEBUG: Launching process 1297: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.60s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
[+0.60s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.60s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+1.72s] DEBUG: Loading users from org.freedesktop.Accounts
[+1.72s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+3.93s] DEBUG: Got signal 10 from process 1297
[+3.93s] DEBUG: DisplayServer x-0: Got signal from X server :0
[+3.93s] DEBUG: DisplayServer x-0: Connecting to XServer :0
[+3.93s] DEBUG: Quitting Plymouth; retaining splash
[+3.95s] DEBUG: Launching process 1649: /sbin/prime-offload
[+4.79s] DEBUG: Process 1649 exited with return value 0
[+4.79s] DEBUG: Seat: Exit status of /sbin/prime-offload: 0
[+4.79s] DEBUG: Seat: Display server ready, starting session authentication
[+4.79s] DEBUG: Session pid=1714: Started with service 'lightdm-greeter', username 'lightdm'
[+4.86s] DEBUG: Session pid=1714: Authentication complete with return value 0: Success
[+4.86s] DEBUG: Seat: Session authenticated, running command
[+4.86s] DEBUG: Session pid=1714: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/lightdm-gtk-greeter
[+4.89s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+4.89s] DEBUG: Session pid=1714: Logging to /var/log/lightdm/x-0-greeter.log
[+4.93s] DEBUG: Activating VT 7
[+4.93s] DEBUG: Activating login1 session /org/freedesktop/login1/session/c1
[+5.31s] DEBUG: Session pid=1714: Greeter connected version=1.10.1
[+7.47s] DEBUG: Session pid=1714: Greeter start authentication for quang
[+7.47s] DEBUG: Session pid=2203: Started with service 'lightdm', username 'quang'
[+7.47s] DEBUG: Session pid=2203: Got 1 message(s) from PAM
[+7.47s] DEBUG: Session pid=1714: Prompt greeter with 1 message(s)
[+14.89s] DEBUG: User /org/freedesktop/Accounts/User1000 changed
[+28.49s] DEBUG: Session pid=1714: Continue authentication
[+28.52s] DEBUG: Session pid=2203: Authentication complete with return value 0: Success
[+28.52s] DEBUG: Session pid=1714: Authenticate result for user quang: Success
[+28.52s] DEBUG: Session pid=1714: User quang authorized
[+28.53s] DEBUG: Session pid=1714: Greeter sets language en_US
[+28.57s] DEBUG: Session pid=1714: Greeter requests session xfce
[+28.57s] DEBUG: Seat: Stopping greeter; display server will be re-used for user session
[+28.57s] DEBUG: Session pid=1714: Sending SIGTERM
[+28.68s] DEBUG: Session pid=1714: Greeter closed communication channel
[+28.68s] DEBUG: Session pid=1714: Exited with return value 0
[+28.68s] DEBUG: Seat: Session stopped
[+28.68s] DEBUG: Seat: Greeter stopped, running session
[+28.68s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+28.68s] DEBUG: Session pid=2203: Running command /usr/sbin/lightdm-session startxfce4
[+28.68s] DEBUG: Creating shared data directory /var/lib/lightdm-data/quang
[+28.68s] DEBUG: Session pid=2203: Logging to .xsession-errors
[+28.69s] DEBUG: Activating VT 7
[+28.69s] DEBUG: Activating login1 session /org/freedesktop/login1/session/c3
[+29.98s] DEBUG: User /org/freedesktop/Accounts/User1000 changed
[+95.30s] DEBUG: User /org/freedesktop/Accounts/User1000 changed
[+120.02s] DEBUG: User /org/freedesktop/Accounts/User1000 changed