[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.6.0, UID=0 PID=1159
[+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 automatic login as user lizl
[+0.00s] DEBUG: Starting local X display
[+0.00s] DEBUG: X server :0 will replace Plymouth
[+0.02s] DEBUG: Using VT 7
[+0.02s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+0.03s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+0.03s] DEBUG: Launching X Server
[+0.03s] DEBUG: Launching process 1193: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none
[+0.03s] DEBUG: Waiting for ready signal from X server :0
[+0.03s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.03s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.14s] DEBUG: Got signal 10 from process 1193
[+0.14s] DEBUG: Got signal from X server :0
[+0.14s] DEBUG: Stopping Plymouth, X server is ready
[+0.16s] DEBUG: Connecting to XServer :0
[+0.17s] DEBUG: Automatically logging in user lizl
[+0.17s] DEBUG: Started session 1280 with service 'lightdm-autologin', username 'lizl'
[+0.18s] DEBUG: Session 1280 authentication complete with return value 0: Success
[+0.18s] DEBUG: Autologin user lizl authorized
[+0.18s] DEBUG: Autologin using session ubuntu
[+0.19s] DEBUG: Dropping privileges to uid 1000
[+0.19s] DEBUG: Calling setresgid
[+0.19s] DEBUG: Calling setresuid
[+0.19s] DEBUG: Restoring privileges
[+0.19s] DEBUG: Calling setresuid
[+0.19s] DEBUG: Calling setresgid
[+0.20s] DEBUG: Dropping privileges to uid 1000
[+0.20s] DEBUG: Calling setresgid
[+0.20s] DEBUG: Calling setresuid
[+0.20s] DEBUG: Writing /home/lizl/.dmrc
[+0.21s] DEBUG: Restoring privileges
[+0.21s] DEBUG: Calling setresuid
[+0.21s] DEBUG: Calling setresgid
[+0.21s] DEBUG: Starting session ubuntu as user lizl
[+0.21s] DEBUG: Session 1280 running command /usr/sbin/lightdm-session gnome-session --session=ubuntu
[+0.23s] DEBUG: New display ready, switching to it
[+0.23s] DEBUG: Activating VT 7
[+0.23s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+1229.35s] DEBUG: Session 1280 exited with return value 0
[+1229.35s] DEBUG: User session quit
[+1229.35s] DEBUG: Stopping display
[+1229.35s] DEBUG: Sending signal 15 to process 1193
[+1229.36s] DEBUG: Process 1193 terminated with signal 6
[+1229.36s] DEBUG: X server stopped
[+1229.36s] DEBUG: Removing X server authority /var/run/lightdm/root/:0
[+1229.36s] DEBUG: Releasing VT 7
[+1229.36s] DEBUG: Display server stopped
[+1229.36s] DEBUG: Switching to greeter
[+1229.36s] DEBUG: Starting new display for greeter
[+1229.36s] DEBUG: Starting local X display
[+1229.36s] DEBUG: Using VT 7
[+1229.36s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+1229.36s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+1229.36s] DEBUG: Launching X Server
[+1229.36s] DEBUG: Launching process 8093: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+1229.36s] DEBUG: Waiting for ready signal from X server :0
[+1229.46s] DEBUG: Got signal 10 from process 8093
[+1229.46s] DEBUG: Got signal from X server :0
[+1229.46s] DEBUG: Connecting to XServer :0
[+1229.46s] DEBUG: Starting greeter
[+1229.46s] DEBUG: Started session 8098 with service 'lightdm-greeter', username 'lightdm'
[+1229.52s] DEBUG: Session 8098 authentication complete with return value 0: Success
[+1229.52s] DEBUG: Greeter authorized
[+1229.52s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log
[+1229.52s] DEBUG: Session 8098 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+1229.68s] DEBUG: Greeter connected version=1.6.0
[+1229.68s] DEBUG: Greeter connected, display is ready
[+1229.68s] DEBUG: New display ready, switching to it
[+1229.68s] DEBUG: Activating VT 7
[+1229.94s] DEBUG: Greeter start authentication for lizl
[+1229.94s] DEBUG: Started session 8171 with service 'lightdm', username 'lizl'
[+1229.94s] DEBUG: Greeter start authentication for lizl
[+1229.94s] DEBUG: Session 8171: Sending SIGTERM
[+1229.94s] DEBUG: Started session 8173 with service 'lightdm', username 'lizl'
[+1229.94s] DEBUG: Session 8171 terminated with signal 15
[+1229.94s] DEBUG: Session 8171 failed during authentication
[+1229.95s] DEBUG: Session 8173 got 1 message(s) from PAM
[+1229.95s] DEBUG: Prompt greeter with 1 message(s)
[+1236.11s] DEBUG: Continue authentication
[+1236.14s] DEBUG: Session 8173 authentication complete with return value 0: Success
[+1236.14s] DEBUG: Authenticate result for user lizl: Success
[+1236.14s] DEBUG: User lizl authorized
[+1236.15s] DEBUG: Greeter requests session ubuntu
[+1236.15s] DEBUG: Using session ubuntu
[+1236.15s] DEBUG: Stopping greeter
[+1236.15s] DEBUG: Session 8098: Sending SIGTERM
[+1236.17s] DEBUG: Greeter closed communication channel
[+1236.17s] DEBUG: Session 8098 exited with return value 0
[+1236.17s] DEBUG: Greeter quit
[+1236.17s] DEBUG: Dropping privileges to uid 1000
[+1236.17s] DEBUG: Calling setresgid
[+1236.17s] DEBUG: Calling setresuid
[+1236.17s] DEBUG: Restoring privileges
[+1236.17s] DEBUG: Calling setresuid
[+1236.17s] DEBUG: Calling setresgid
[+1236.17s] DEBUG: Dropping privileges to uid 1000
[+1236.17s] DEBUG: Calling setresgid
[+1236.17s] DEBUG: Calling setresuid
[+1236.17s] DEBUG: Writing /home/lizl/.dmrc
[+1236.18s] DEBUG: Restoring privileges
[+1236.18s] DEBUG: Calling setresuid
[+1236.18s] DEBUG: Calling setresgid
[+1236.18s] DEBUG: Starting session ubuntu as user lizl
[+1236.18s] DEBUG: Session 8173 running command /usr/sbin/lightdm-session gnome-session --session=ubuntu
[+1236.22s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session1
[+1347.28s] DEBUG: Process 8093 terminated with signal 6
[+1347.28s] DEBUG: X server stopped
[+1347.28s] DEBUG: Removing X server authority /var/run/lightdm/root/:0
[+1347.28s] DEBUG: Releasing VT 7
[+1347.28s] DEBUG: Display server stopped
[+1347.28s] DEBUG: Stopping display
[+1347.28s] DEBUG: Session 8173: Sending SIGTERM
[+1347.28s] DEBUG: Session 8173 exited with return value 0
[+1347.28s] DEBUG: User session quit
[+1347.28s] DEBUG: Switching to greeter
[+1347.28s] DEBUG: Starting new display for greeter
[+1347.28s] DEBUG: Starting local X display
[+1347.28s] DEBUG: Using VT 7
[+1347.28s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+1347.28s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+1347.28s] DEBUG: Launching X Server
[+1347.28s] DEBUG: Launching process 10555: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+1347.28s] DEBUG: Waiting for ready signal from X server :0
[+1347.46s] DEBUG: Got signal 10 from process 10555
[+1347.46s] DEBUG: Got signal from X server :0
[+1347.46s] DEBUG: Connecting to XServer :0
[+1347.47s] DEBUG: Starting greeter
[+1347.47s] DEBUG: Started session 10574 with service 'lightdm-greeter', username 'lightdm'
[+1347.49s] DEBUG: Session 10574 authentication complete with return value 0: Success
[+1347.49s] DEBUG: Greeter authorized
[+1347.49s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log
[+1347.49s] DEBUG: Session 10574 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter
[+1347.60s] DEBUG: Greeter connected version=1.6.0
[+1347.60s] DEBUG: Greeter connected, display is ready
[+1347.60s] DEBUG: New display ready, switching to it
[+1347.60s] DEBUG: Activating VT 7
[+1347.87s] DEBUG: Greeter start authentication for lizl
[+1347.87s] DEBUG: Started session 10652 with service 'lightdm', username 'lizl'
[+1347.87s] DEBUG: Greeter start authentication for lizl
[+1347.87s] DEBUG: Session 10652: Sending SIGTERM
[+1347.87s] DEBUG: Started session 10654 with service 'lightdm', username 'lizl'
[+1347.87s] DEBUG: Session 10652 terminated with signal 15
[+1347.87s] DEBUG: Session 10652 failed during authentication
[+1347.88s] DEBUG: Session 10654 got 1 message(s) from PAM
[+1347.88s] DEBUG: Prompt greeter with 1 message(s)
[+1352.57s] DEBUG: Continue authentication
[+1352.60s] DEBUG: Session 10654 authentication complete with return value 0: Success
[+1352.60s] DEBUG: Authenticate result for user lizl: Success
[+1352.60s] DEBUG: User lizl authorized
[+1352.61s] DEBUG: Greeter requests session ubuntu
[+1352.61s] DEBUG: Using session ubuntu
[+1352.61s] DEBUG: Stopping greeter
[+1352.61s] DEBUG: Session 10574: Sending SIGTERM
[+1352.63s] DEBUG: Greeter closed communication channel
[+1352.63s] DEBUG: Session 10574 exited with return value 0
[+1352.63s] DEBUG: Greeter quit
[+1352.64s] DEBUG: Dropping privileges to uid 1000
[+1352.64s] DEBUG: Calling setresgid
[+1352.64s] DEBUG: Calling setresuid
[+1352.64s] DEBUG: Restoring privileges
[+1352.64s] DEBUG: Calling setresuid
[+1352.64s] DEBUG: Calling setresgid
[+1352.64s] DEBUG: Dropping privileges to uid 1000
[+1352.64s] DEBUG: Calling setresgid
[+1352.64s] DEBUG: Calling setresuid
[+1352.64s] DEBUG: Writing /home/lizl/.dmrc
[+1352.65s] DEBUG: Restoring privileges
[+1352.65s] DEBUG: Calling setresuid
[+1352.65s] DEBUG: Calling setresgid
[+1352.65s] DEBUG: Starting session ubuntu as user lizl
[+1352.65s] DEBUG: Session 10654 running command /usr/sbin/lightdm-session gnome-session --session=ubuntu
[+1352.69s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session2