I forced an upgrade from kubuntu 12.04 to 12.10 and when booting it sticks on the loading screen. Looking at the boot log shows me that 'Starting K Display Manager' as 'failed'. How can I fix this?
After a bit of hunting around I wasn't able to find what the issue was, but I found that I could log in if I pressed
This gave me hope that my installation wasn't borked. I found a website that told me to execute this command:
This did a load of stuff, and at the end told me a few things failed (kubuntu-desktop being one of them), but after a restart my desktop came back.
I hope this helps anyone else having the same issue - if anyone knows why this worked, please explain in the comments of this answer.