Ubuntu
plasma-workspace package

  1. Noble (24.04)
  2. Bug #1629543
  3. Comment #7

Comment 7 for bug 1629543

Revision history for this message
John Chaney (jdally987) wrote : Re: KDE does not start when using lightdm

Just chiming in to say that opensense's solution above also fixed it for me. I created /etc/lightdm/lightdm.conf and put in it:

[SeatDefaults]
user-session=plasma

and it worked to fix the "Failed to start session" error in the greeter after entering my password.