[+0.02s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.02s] DEBUG: Starting Light Display Manager 1.7.17, UID=0 PID=1004
[+0.02s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/10-ubuntu.conf
[+0.02s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-greeter-wrapper.conf
[+0.02s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-unity-greeter.conf
[+0.02s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.02s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.02s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.02s] DEBUG: Registered seat module xlocal
[+0.02s] DEBUG: Registered seat module xremote
[+0.02s] DEBUG: Registered seat module unity
[+0.02s] DEBUG: Registered seat module surfaceflinger
[+0.02s] DEBUG: Adding default seat
[+0.02s] DEBUG: Seat: Starting
[+0.02s] DEBUG: Seat: Creating greeter session
[+0.07s] DEBUG: Seat: Setting XDG_SEAT=seat0
[+0.07s] DEBUG: Seat: Creating display server of type x
[+0.07s] DEBUG: Seat: Starting local X display
[+0.08s] DEBUG: Using VT 7
[+0.08s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
[+0.08s] DEBUG: DisplayServer x-0: Writing X server authority to /var/run/lightdm/root/:0
[+0.08s] DEBUG: DisplayServer x-0: Launching X Server
[+0.08s] DEBUG: Launching process 1013: /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.08s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
[+0.08s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.08s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+4.60s] DEBUG: Got signal 10 from process 1013
[+4.60s] DEBUG: DisplayServer x-0: Got signal from X server :0
[+4.60s] DEBUG: DisplayServer x-0: Connecting to XServer :0
[+4.60s] DEBUG: Seat: Display server ready, starting session authentication
[+4.60s] DEBUG: Session: Setting XDG_VTNR=7
[+4.60s] DEBUG: Session pid=1017: Started with service 'lightdm-greeter', username 'lightdm'
[+5.23s] DEBUG: Session pid=1017: Authentication complete with return value 0: Success
[+5.23s] DEBUG: Seat: Session authenticated, running command
[+5.23s] DEBUG: Session pid=1017: Setting XDG_VTNR=7
[+5.23s] DEBUG: Session pid=1017: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+5.24s] DEBUG: Session pid=1017: Logging to /var/log/lightdm/x-0-greeter.log
[+5.36s] DEBUG: Activating VT 7
[+7.91s] DEBUG: Session pid=1017: Greeter connected version=1.7.17
[+13.27s] DEBUG: Session pid=1017: Greeter start authentication for ahmad
[+13.27s] DEBUG: Seat: Setting XDG_SEAT=seat0
[+13.27s] DEBUG: Session: Setting XDG_VTNR=7
[+13.27s] DEBUG: Session pid=1406: Started with service 'lightdm', username 'ahmad'
[+13.37s] DEBUG: Session pid=1017: Greeter start authentication for ahmad
[+13.37s] DEBUG: Session pid=1406: Sending SIGTERM
[+13.37s] DEBUG: Seat: Setting XDG_SEAT=seat0
[+13.37s] DEBUG: Session: Setting XDG_VTNR=7
[+13.37s] DEBUG: Session pid=1407: Started with service 'lightdm', username 'ahmad'
[+13.37s] DEBUG: Session pid=1406: Terminated with signal 15
[+13.37s] DEBUG: Session: Failed during authentication
[+13.37s] DEBUG: Seat: Session stopped
[+13.49s] DEBUG: Session pid=1407: Got 1 message(s) from PAM
[+13.49s] DEBUG: Session pid=1017: Prompt greeter with 1 message(s)
[+27.66s] DEBUG: Session pid=1017: Continue authentication
[+27.70s] DEBUG: Session pid=1407: Authentication complete with return value 0: Success
[+27.70s] DEBUG: Session pid=1017: Authenticate result for user ahmad: Success
[+27.70s] DEBUG: Session pid=1017: User ahmad authorized
[+27.71s] DEBUG: Session pid=1017: Greeter requests session ubuntu
[+27.72s] DEBUG: Writing /home/ahmad/.dmrc
[+27.88s] DEBUG: Seat: Stopping greeter; display server will be re-used for user session
[+27.88s] DEBUG: Session pid=1017: Sending SIGTERM
[+27.89s] DEBUG: Session pid=1017: Exited with return value 0
[+27.89s] DEBUG: Seat: Session stopped
[+27.89s] DEBUG: Seat: Greeter stopped, running session
[+27.89s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+27.89s] DEBUG: Session pid=1407: Setting XDG_VTNR=7
[+27.89s] DEBUG: Session pid=1407: Running command /usr/sbin/lightdm-session gnome-session --session=ubuntu
[+27.89s] DEBUG: Session pid=1407: Logging to .xsession-errors
[+27.95s] DEBUG: Activating VT 7