OK - I just ran 'sudo restart lightdm' and the login screen appeared and I was able to log in! Yes, magic. Thanks for the suggestion!
adam On Fri, Aug 29, 2014 at 2:16 PM, Kai Mast <[email protected]> wrote: > Just an idea: Sometimes "sudo restart lightdm" magically fixes such > problems. > > Kai > > > On Fri, Aug 29, 2014 at 2:13 PM, Adam Dingle <[email protected]> wrote: > > I normally run Ubuntu 14.10 (Utopic) - it has been quite stable for months > now. This morning I applied software updates as usual, attempted to reboot > and saw a blank black screen with a mouse cursor and nothing more. I used > Ctrl+Alt+F1 to switch to a console and logged in. As I did so, I saw these > messages: > > [544.201533] system-logind[925]: Failed to start unit [email protected]: > Unknown unit: [email protected] > [544.201586] system-logind[925]: Failed to start user service: Unknown > unit: [email protected] > > 'ps -ef' showed that the X server was running. I didn't attempt to debug > much further - I needed a working machine, so I made a fresh overinstall > from a daily ISO of 14.10. That worked for a few hours, but then after > another reboot I was stuck at a blank screen again. > > Has anyone else seen this? I think I'll have to drop back to Trusty until > this can be fixed. Thanks - > > adam > > > -- > ubuntu-desktop mailing list > [email protected] > https://lists.ubuntu.com/mailman/listinfo/ubuntu-desktop > >
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