bad Utopic update?

[Kai Mast]

Just an idea: Sometimes "sudo restart lightdm" magically fixes such 
problems.

Kai

On Fri, Aug 29, 2014 at 2:13 PM, Adam Dingle <adam at medovina.org> 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 
> user at 1000.service: Unknown unit: user at 1000.service
> [544.201586] system-logind[925]: Failed to start user service: 
> Unknown unit: user at 1000.service
>  
> '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
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