[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.4.0, UID=0 PID=974
[+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
[+0.04s] DEBUG: X server :0 will replace Plymouth
[+0.09s] DEBUG: Using VT 7
[+0.09s] DEBUG: Activating VT 7
[+0.09s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+0.09s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+0.09s] DEBUG: Launching X Server
[+0.09s] DEBUG: Launching process 1022: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none
[+0.09s] DEBUG: Waiting for ready signal from X server :0
[+0.09s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.09s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+6.13s] DEBUG: Got signal 10 from process 1022
[+6.13s] DEBUG: Got signal from X server :0
[+6.13s] DEBUG: Stopping Plymouth, X server is ready
[+6.15s] DEBUG: Connecting to XServer :0
[+6.15s] DEBUG: Starting greeter
[+6.16s] DEBUG: Started session 1413 with service 'lightdm-greeter', username 'lightdm'
[+6.32s] DEBUG: Session 1413 authentication complete with return value 0: Success
[+6.32s] DEBUG: Greeter authorized
[+6.32s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log
[+6.32s] DEBUG: Session 1413 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+6.86s] DEBUG: Greeter connected version=1.4.0
[+6.86s] DEBUG: Greeter connected, display is ready
[+6.86s] DEBUG: New display ready, switching to it
[+6.86s] DEBUG: Activating VT 7
[+7.81s] DEBUG: Greeter start authentication for s2017083
[+7.81s] DEBUG: Started session 1724 with service 'lightdm', username 's2017083'
[+7.82s] DEBUG: Session 1724 got 1 message(s) from PAM
[+7.82s] DEBUG: Prompt greeter with 1 message(s)
[+8.01s] DEBUG: Greeter start authentication for s2017083
[+8.01s] DEBUG: Session 1724: Sending SIGTERM
[+8.01s] DEBUG: Started session 1725 with service 'lightdm', username 's2017083'
[+8.01s] DEBUG: Session 1724 terminated with signal 15
[+8.01s] DEBUG: Session 1724 failed during authentication
[+8.02s] DEBUG: Session 1725 got 1 message(s) from PAM
[+8.02s] DEBUG: Prompt greeter with 1 message(s)
[+31.28s] DEBUG: Continue authentication
[+31.37s] DEBUG: Session 1725 authentication complete with return value 0: Success
[+31.37s] DEBUG: Authenticate result for user s2017083: Success
[+31.40s] DEBUG: User s2017083 authorized
[+31.44s] DEBUG: Greeter requests session ubuntu
[+31.44s] DEBUG: Using session ubuntu
[+31.44s] DEBUG: Stopping greeter
[+31.44s] DEBUG: Session 1413: Sending SIGTERM
[+31.54s] DEBUG: Greeter closed communication channel
[+31.54s] DEBUG: Session 1413 exited with return value 0
[+31.54s] DEBUG: Greeter quit
[+31.56s] DEBUG: Dropping privileges to uid 1000
[+31.56s] DEBUG: Calling setresgid
[+31.56s] DEBUG: Calling setresuid
[+31.56s] DEBUG: Restoring privileges
[+31.56s] DEBUG: Calling setresuid
[+31.56s] DEBUG: Calling setresgid
[+31.58s] DEBUG: Dropping privileges to uid 1000
[+31.58s] DEBUG: Calling setresgid
[+31.58s] DEBUG: Calling setresuid
[+31.58s] DEBUG: Writing /home/s2017083/.dmrc
[+31.75s] DEBUG: Restoring privileges
[+31.75s] DEBUG: Calling setresuid
[+31.75s] DEBUG: Calling setresgid
[+31.87s] DEBUG: Starting session ubuntu as user s2017083
[+31.87s] DEBUG: Session 1725 running command /usr/sbin/lightdm-session gnome-session --session=ubuntu
[+31.89s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0