problems with 10.04 upgrade to 12.04

Dave Howorth dhoworth at
Wed Sep 5 13:02:15 UTC 2012

Marius Gedminas wrote:
> Dave Howorth wrote:
>> Marius Gedminas wrote:
>>> Anyway, the quickest path to a fully functional machine would be to
>>> sidestep the bug by removing the lxdm package:
>>>   sudo apt-get remove lxdm
>> Sadly apt-get seems to be one of the programs that has problems in the
>> machine's current state. So it failed. I've attached the output of the
>> command above to the bug report.
> Oh, right, because of the dependencies.  Of course.  I should've
> realized that, sorry!
> Can try to fix the postinst script in place, like I suggested in my last
> bug comment:
> after which you should be able to complete the upgrade with
>   sudo apt-get -f install

I made the change and I tried apt-get but it failed. I've attached the
log to the bug report.

Since it's now apparently producing python-related error messages
instead of lxdm-related ones, I've stopped there and am looking for
further guidance rather than going on to remove lxdm.

>   sudo apt-get dist-upgrade
> If that works, can you confirm that my suggested fix worked in that bug
> conversation?
> If that doesn't work, there's still the alternative approach of removing
> the lxdm package altogether.  Since apt-get remove is unhappy, you can
> use the lower-level dpkg tool (which doesn't enforce package
> dependencies) to remove lxdm instead:
>      sudo dpkg --remove lxdm

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