Ist jetzt wohl ein lightdm problem.
[+19.53s] DEBUG: Greeter start authentication for stephan [+19.53s] DEBUG: Session pid=2995: Started with service 'lightdm', username 'stephan' [+19.54s] DEBUG: Session pid=2995: Got 1 message(s) from PAM [+19.54s] DEBUG: Prompt greeter with 1 message(s) [+169.27s] DEBUG: Seat seat0 changes active session to [+177.47s] DEBUG: Seat seat0 changes active session to 3 [+417.77s] DEBUG: Seat seat0 changes active session to c1 [+417.77s] DEBUG: Session c1 is already active [+427.94s] DEBUG: Continue authentication [+427.96s] DEBUG: Session pid=2995: Authentication complete with return value 0: Success [+427.96s] DEBUG: Authenticate result for user stephan: Success [+427.96s] DEBUG: User stephan authorized [+427.96s] DEBUG: Greeter requests session ubuntu [+427.96s] DEBUG: Seat seat0: Failed to find session configuration ubuntu [+427.96s] DEBUG: Seat seat0: Can't find session 'ubuntu' [+427.96s] DEBUG: Greeter start authentication for stephan [+427.96s] DEBUG: Session pid=7704: Started with service 'lightdm', username 'stephan' [+427.97s] DEBUG: Session pid=7704: Got 1 message(s) from PAM [+427.97s] DEBUG: Prompt greeter with 1 message(s)
in der
/var/log/lightdm/lightdm.log
vermutlich das problem von anfang an
ich google erstmal in mache evtl einen thread im zugehörigen forum auf.
danke und ein schönes wochenende