This is visible on the lightdm log too. Here it is, trying to start :1 on VT7, which is already in use by :0
[+101.59s] DEBUG: Seat: Starting local X display [+101.59s] DEBUG: Using VT 7 [+101.59s] DEBUG: DisplayServer x-1: Logging to /var/log/lightdm/x-1.log [+101.59s] DEBUG: DisplayServer x-1: Writing X server authority to /var/run/lightdm/root/:1 [+101.59s] DEBUG: DisplayServer x-1: Launching X Server [+101.59s] DEBUG: Launching process 2773: /usr/bin/X -core :1 -auth /var/run/lightdm/root/:1 -nolisten tcp vt7 -novtswitch [+101.59s] DEBUG: DisplayServer x-1: Waiting for ready signal from X server :1 [+107.81s] DEBUG: Process 2773 terminated with signal 6 [+107.81s] DEBUG: DisplayServer x-1: X server stopped [+107.81s] DEBUG: Releasing VT 7 [+107.81s] DEBUG: DisplayServer x-1: Removing X server authority /var/run/lightdm/root/:1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1256150 Title: Xorg guest session fails to start if the user has logged out and logged in again To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1256150/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
