I tried a re-install, and still have the same problem.
.xsession-errors is empty. Here is my /var/log/lightdm/lightdm.log -->
Code:
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.2.3, UID=0 PID=1834
[+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
[+0.01s] DEBUG: Using VT 7
[+0.01s] DEBUG: Activating 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 1839: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.03s] DEBUG: Waiting for ready signal from X server :0
[+0.05s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.06s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.32s] DEBUG: Got signal 10 from process 1839
[+0.32s] DEBUG: Got signal from X server :0
[+0.32s] DEBUG: Connecting to XServer :0
[+0.33s] DEBUG: Starting greeter
[+0.33s] DEBUG: Started session 1844 with service 'lightdm', username 'lightdm'
[+0.41s] DEBUG: Session 1844 authentication complete with return value 0: Success
[+0.41s] DEBUG: Greeter authorized
[+0.41s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log
[+0.41s] DEBUG: Session 1844 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/lightdm-gtk-greeter
[+0.62s] DEBUG: Greeter connected version=1.2.3
[+0.62s] DEBUG: Greeter connected, display is ready
[+0.62s] DEBUG: New display ready, switching to it
[+0.62s] DEBUG: Activating VT 7
[+1.38s] DEBUG: Greeter start authentication for username
[+1.38s] DEBUG: Started session 1894 with service 'lightdm', username 'username'
[+1.40s] DEBUG: Session 1894 got 1 message(s) from PAM
[+1.40s] DEBUG: Prompt greeter with 1 message(s)
[+4.91s] DEBUG: Continue authentication
[+5.17s] DEBUG: Session 1894 authentication complete with return value 0: Success
[+5.17s] DEBUG: Authenticate result for user username: Success
[+5.22s] DEBUG: User username authorized
[+5.23s] DEBUG: Greeter requests session Lubuntu
[+5.23s] DEBUG: Using session Lubuntu
[+5.23s] DEBUG: Stopping greeter
[+5.23s] DEBUG: Session 1844: Sending SIGTERM
[+5.32s] DEBUG: Greeter closed communication channel
[+5.32s] DEBUG: Session 1844 exited with return value 0
[+5.32s] DEBUG: Greeter quit
[+5.37s] DEBUG: Dropping privileges to uid 1000
[+5.37s] DEBUG: Restoring privileges
[+5.42s] DEBUG: Dropping privileges to uid 1000
[+5.42s] DEBUG: Writing /home/username/.dmrc
[+5.42s] DEBUG: Restoring privileges
[+5.44s] DEBUG: Starting session Lubuntu as user username
[+5.44s] DEBUG: Session 1894 running command /usr/sbin/lightdm-session /usr/bin/startlubuntu
[+5.49s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+5.55s] DEBUG: Session 1894 exited with return value 1
[+5.55s] DEBUG: User session quit
[+5.55s] DEBUG: Stopping display
[+5.55s] DEBUG: Sending signal 15 to process 1839
[+5.62s] DEBUG: Process 1839 exited with return value 0
[+5.62s] DEBUG: X server stopped
[+5.62s] DEBUG: Removing X server authority /var/run/lightdm/root/:0
[+5.62s] DEBUG: Releasing VT 7
[+5.62s] DEBUG: Display server stopped
[+5.62s] DEBUG: Display stopped
[+5.62s] DEBUG: Active display stopped, switching to greeter
[+5.62s] DEBUG: Switching to greeter
[+5.62s] DEBUG: Starting new display for greeter
[+5.62s] DEBUG: Starting local X display
[+5.62s] DEBUG: Using VT 7
[+5.62s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+5.62s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+5.62s] DEBUG: Launching X Server
[+5.62s] DEBUG: Launching process 1941: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+5.62s] DEBUG: Waiting for ready signal from X server :0
[+5.91s] DEBUG: Got signal 10 from process 1941
[+5.91s] DEBUG: Got signal from X server :0
[+5.91s] DEBUG: Connecting to XServer :0
[+5.91s] DEBUG: Starting greeter
[+5.91s] DEBUG: Started session 1944 with service 'lightdm', username 'lightdm'
[+6.00s] DEBUG: Session 1944 authentication complete with return value 0: Success
[+6.00s] DEBUG: Greeter authorized
[+6.00s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log
[+6.00s] DEBUG: Session 1944 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/lightdm-gtk-greeter
[+6.20s] DEBUG: Greeter connected version=1.2.3
[+6.20s] DEBUG: Greeter connected, display is ready
[+6.20s] DEBUG: New display ready, switching to it
[+6.20s] DEBUG: Activating VT 7
[+6.20s] DEBUG: Stopping greeter display being switched from
[+6.93s] DEBUG: Greeter start authentication for username
[+6.93s] DEBUG: Started session 1994 with service 'lightdm', username 'username'
[+6.95s] DEBUG: Session 1994 got 1 message(s) from PAM
[+6.95s] DEBUG: Prompt greeter with 1 message(s)
[+329.94s] DEBUG: Greeter start authentication for guest account
[+329.94s] DEBUG: Session 1994: Sending SIGTERM
[+331.85s] DEBUG: Greeter requests session Lubuntu
[+331.85s] DEBUG: Using session Lubuntu
[+331.85s] DEBUG: Stopping greeter
[+331.85s] DEBUG: Session 1944: Sending SIGTERM
[+331.92s] DEBUG: Greeter closed communication channel
[+331.92s] DEBUG: Session 1944 exited with return value 0
[+331.92s] DEBUG: Greeter quit
[+331.92s] DEBUG: Opening guest account with command '/usr/sbin/guest-account add'
[+333.87s] DEBUG: Guest account guest-RaEbUH setup
[+333.87s] DEBUG: Started session 2097 with service 'lightdm-autologin', username 'guest-RaEbUH'
[+333.96s] DEBUG: Session 2097 authentication complete with return value 0: Success
[+333.96s] DEBUG: Autologin user guest-RaEbUH authorized
[+334.06s] DEBUG: Dropping privileges to uid 107
[+334.06s] DEBUG: Restoring privileges
[+334.10s] DEBUG: Dropping privileges to uid 107
[+334.10s] DEBUG: Writing /tmp/guest-RaEbUH/.dmrc
[+334.10s] DEBUG: Restoring privileges
[+334.10s] DEBUG: Running guest session through wrapper: /usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper
[+334.10s] DEBUG: Starting session Lubuntu as user guest-RaEbUH
[+334.10s] DEBUG: Session 2097 running command /usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper /usr/sbin/lightdm-session /usr/bin/startlubuntu
[+334.15s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session1
[+395.81s] DEBUG: Session 2097 exited with return value 0
[+395.81s] DEBUG: Closing guest account guest-RaEbUH with command '/usr/sbin/guest-account remove guest-RaEbUH'
[+397.10s] DEBUG: User session quit
[+397.10s] DEBUG: Stopping display
[+397.10s] DEBUG: Sending signal 15 to process 1941
[+397.15s] DEBUG: Process 1941 exited with return value 0
[+397.15s] DEBUG: X server stopped
[+397.15s] DEBUG: Removing X server authority /var/run/lightdm/root/:0
[+397.15s] DEBUG: Releasing VT 7
[+397.15s] DEBUG: Display server stopped
[+397.15s] DEBUG: Display stopped
[+397.15s] DEBUG: Active display stopped, switching to greeter
[+397.15s] DEBUG: Switching to greeter
[+397.15s] DEBUG: Starting new display for greeter
[+397.15s] DEBUG: Starting local X display
[+397.15s] DEBUG: Using VT 7
[+397.15s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+397.15s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+397.15s] DEBUG: Launching X Server
[+397.15s] DEBUG: Launching process 2336: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+397.15s] DEBUG: Waiting for ready signal from X server :0
[+397.43s] DEBUG: Got signal 10 from process 2336
[+397.43s] DEBUG: Got signal from X server :0
[+397.43s] DEBUG: Connecting to XServer :0
[+397.43s] DEBUG: Starting greeter
[+397.43s] DEBUG: Started session 2339 with service 'lightdm', username 'lightdm'
[+397.52s] DEBUG: Session 2339 authentication complete with return value 0: Success
[+397.52s] DEBUG: Greeter authorized
[+397.52s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log
[+397.52s] DEBUG: Session 2339 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/lightdm-gtk-greeter
[+397.71s] DEBUG: Greeter connected version=1.2.3
[+397.71s] DEBUG: Greeter connected, display is ready
[+397.71s] DEBUG: New display ready, switching to it
[+397.71s] DEBUG: Activating VT 7
[+397.71s] DEBUG: Stopping greeter display being switched from
[+398.42s] DEBUG: Greeter start authentication for guest account
[+401.62s] DEBUG: Greeter requests session Lubuntu
[+401.62s] DEBUG: Using session Lubuntu
[+401.62s] DEBUG: Stopping greeter
[+401.62s] DEBUG: Session 2339: Sending SIGTERM
[+401.70s] DEBUG: Greeter closed communication channel
[+401.70s] DEBUG: Session 2339 exited with return value 0
[+401.70s] DEBUG: Greeter quit
[+401.70s] DEBUG: Opening guest account with command '/usr/sbin/guest-account add'
[+402.88s] DEBUG: Guest account guest-ewL1bX setup
[+402.88s] DEBUG: Started session 2450 with service 'lightdm-autologin', username 'guest-ewL1bX'
[+402.97s] DEBUG: Session 2450 authentication complete with return value 0: Success
[+402.97s] DEBUG: Autologin user guest-ewL1bX authorized
[+403.07s] DEBUG: Dropping privileges to uid 107
[+403.07s] DEBUG: Restoring privileges
[+403.11s] DEBUG: Dropping privileges to uid 107
[+403.11s] DEBUG: Writing /tmp/guest-ewL1bX/.dmrc
[+403.11s] DEBUG: Restoring privileges
[+403.11s] DEBUG: Running guest session through wrapper: /usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper
[+403.11s] DEBUG: Starting session Lubuntu as user guest-ewL1bX
[+403.11s] DEBUG: Session 2450 running command /usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper /usr/sbin/lightdm-session /usr/bin/startlubuntu
[+403.16s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session2
I'm not sure how to interpret some of it. One thing that stands out is the username 'lightdm' at one point. Is this the problem?
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