Mathieu, this sounds like the bug you mentioned last Friday, right? ubiquity-dm not *being* a display manager, but running before it, and lightdm trying to start after that, in parallel with shutdown?
Mathieu, this sounds like the bug you mentioned last Friday, right? ubiquity-dm not *being* a display manager, but running before it, and lightdm trying to start after that, in parallel with shutdown?