dependency problem while doing safe-upgrade

[Tapas Mishra]

On Fri, Feb 4, 2011 at 4:09 PM, Alan Pope <popey at ubuntu.com> wrote:
> On 4 February 2011 10:17, Tapas Mishra <mightydreams at gmail.com> wrote:
>> I executed aptitude safe-upgrade on 10.04 64 bit server here are the
>> dependency problems I met
>>
>> http://paste.ubuntu.com/562399/
>>
>> Let me know if some one can point out what should I be checking.
>
> The first error:-
>
> Setting up dbus (1.2.16-2ubuntu4.1) ...
> The system user `messagebus' already exists. Exiting.
> Failed to open connection to "system" message bus: Did not receive a
> reply. Possible causes include: the remote application did not send a
> reply, the message bus security policy blocked the reply, the reply
> timeout expired, or the network connection was broken.
> dpkg: error processing dbus (--configure):
>  subprocess installed post-installation script returned error exit status 1
>
> Caused the subsequent errors:-
>
> dpkg: dependency problems prevent configuration of consolekit:
>  consolekit depends on dbus (>= 1.1.2); however:
>  Package dbus is not configured yet.
> dpkg: error processing consolekit (--configure):
>  dependency problems - leaving unconfigured
>
> Al.
>
I checked a bit more
https://bugs.launchpad.net/ubuntu/+source/dbus/+bug/705644
here in second message a person says

"Also seen in Maverick. Work-around does the trick. Just don't try it
on the server if you're logged in to a graphical session (it dies on
the purge)! See full activity log"

but he does not mention what is the work around.
Searching for this problem on internet
http://www.google.com/search?client=ubuntu&channel=fs&q=Setting+up+dbus+%281.2.16-2ubuntu4.1%29+...+The+system+user+%60messagebus%27+already+exists.+Exiting.+Failed+to+open+connection+to+%22system%22+message+bus%3A+Did+n&ie=utf-8&oe=utf-8

I get my threads only which do not help.