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Troubleshooting • lightdm fails with "[+0.03s] DEBUG: Seat seat0: Failed to find session configuration LXDE-pi-labwc"

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I've had a pi4 running for a couple of days with autologin set to "user2".

Graphical login recently stopped.

/var/log/lightdm/lightdm.log includes

Code:

[+0.03s] DEBUG: Seat seat0: Failed to find session configuration LXDE-pi-labwc[+0.03s] DEBUG: Seat seat0: Can't find session 'LXDE-pi-labwc'
I tried using raspi-config to resume booting to the desktop (desktop gui, requiring user to log in) but this only changed the error message to:

Code:

[+0.01s] DEBUG: Monitoring logind for seats[+0.01s] DEBUG: New seat added from logind: seat0[+0.01s] DEBUG: Seat seat0: Loading properties from config section Seat:*[+0.01s] DEBUG: Seat seat0 has property CanMultiSession=no[+0.01s] DEBUG: Seat seat0: Starting[+0.01s] DEBUG: Seat seat0: Creating greeter session[+0.01s] DEBUG: Seat seat0: Failed to find session configuration pi-greeter-labwc[+0.01s] DEBUG: Seat seat0: Failed to create greeter session[+0.01s] DEBUG: Failed to start seat: seat0
Any idea what could have caused this?

"apt install --reinstall lightdm*" did not help. Neither did "apt install --reinstall labwc*"

Statistics: Posted by compilebunny — Thu Jan 23, 2025 6:38 pm — Replies 0 — Views 26



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