On 04/09/2024 11:25:39, Yves-Alexis Perez wrote: I don’t have /var/log/syslog nor /var/log/auth.log my machine is rather young, I haven’t reinstalled everything). In /var/log/lightdm/lightdm.log:
[+332255.25s] DEBUG: Greeter start authentication [+332255.25s] DEBUG: Session pid=631863: Started with service 'lightdm', usernam e '(null)' [+332255.26s] DEBUG: Session pid=631863: Got 1 message(s) from PAM [+332255.26s] DEBUG: Prompt greeter with 1 message(s) [+332255.26s] WARNING: Session pid=631863: Invalid string length 1869348864 from child [+332255.26s] DEBUG: Session pid=631863: Authentication complete with return value -1: [+332255.26s] DEBUG: Authenticate result for user (null): [+332255.26s] DEBUG: Session pid=631863: Exited with return value 1 [+332255.26s] DEBUG: Seat seat0: Session stopped [+332255.76s] DEBUG: Greeter start authentication [+332255.76s] DEBUG: Session pid=631864: Started with service 'lightdm', username '(null)' [+332255.77s] DEBUG: Session pid=631864: Got 1 message(s) from PAM [+332255.77s] DEBUG: Prompt greeter with 1 message(s) [+332255.77s] WARNING: Session pid=631864: Invalid string length 1869348864 from child [+332255.77s] DEBUG: Session pid=631864: Authentication complete with return value -1: [+332255.77s] DEBUG: Authenticate result for user (null): [+332255.77s] DEBUG: Session pid=631864: Exited with return value 1 [+332255.77s] DEBUG: Seat seat0: Session stopped [+332255.96s] DEBUG: Greeter start authentication [+332255.96s] DEBUG: Session pid=631865: Started with service 'lightdm', username '(null)' [+332255.97s] DEBUG: Session pid=631865: Got 1 message(s) from PAM [+332255.97s] DEBUG: Prompt greeter with 1 message(s) [+332255.97s] WARNING: Session pid=631865: Invalid string length 1869348864 from child [+332255.97s] DEBUG: Session pid=631865: Authentication complete with return value -1: [+332255.97s] DEBUG: Authenticate result for user (null): [+332255.97s] DEBUG: Session pid=631865: Exited with return value 1 [+332255.97s] DEBUG: Seat seat0: Session stopped [+332256.59s] DEBUG: Greeter start authentication [+332256.59s] DEBUG: Session pid=631866: Started with service 'lightdm', username '(null)' [+332256.59s] DEBUG: Session pid=631866: Got 1 message(s) from PAM [+332256.59s] DEBUG: Prompt greeter with 1 message(s) [+332256.59s] WARNING: Session pid=631866: Invalid string length 1869348864 from child [+332256.59s] DEBUG: Session pid=631866: Authentication complete with return value -1: [+332256.59s] DEBUG: Authenticate result for user (null): [+332256.60s] DEBUG: Session pid=631866: Exited with return value 1 [+332256.60s] DEBUG: Seat seat0: Session stopped [+332258.90s] DEBUG: Seat seat0 changes active session to 2 [+332258.90s] DEBUG: Activating session 2 [+332268.92s] DEBUG: Process 631691 exited with return value 0 [+332268.92s] DEBUG: XServer 1: X server stopped [+332268.92s] DEBUG: Releasing VT 8 [+332268.92s] DEBUG: XServer 1: Removing X server authority /var/run/lightdm/root/:1 [+332268.92s] DEBUG: Seat seat0: Display server stopped [+332268.92s] DEBUG: Seat seat0: Stopping session [+332268.92s] DEBUG: Terminating login1 session c7 [+332268.92s] DEBUG: Session pid=631731: Sending SIGTERM [+332268.92s] DEBUG: Greeter closed communication channel [+332268.92s] DEBUG: Session pid=631731: Exited with return value 1 [+332268.92s] DEBUG: Seat seat0: Session stopped [+332268.92s] DEBUG: Seat seat0: Stopping display server, no sessions require it > Just to be sure what works and doesnt work here: - login with 'user1' from lightdm […] - *changing* from `user1` to `user2` from xfce [can you provide the exact procedure you do here?] Yep, and user3 instead of user2 also fails. I click on the top right button in xfce4-panel, the one with user1’s name on it. Then I choose the Change user menu entry, enter user2 (or user3) and his password in the login window, click on OK and boom. Yours, nicolas patrois : pts noir asocial -- RÉALISME M : Qu'est-ce qu'il nous faudrait pour qu'on nous considère comme des humains ? Un cerveau plus gros ? P : Non... Une carte bleue suffirait...
