debian upgrade problem

[Nick Estes]

> I wanted to go from 'woody' to unstable (sid?) so I changed
> my sources.list to point to unstable and then issued the command
> 'apt-get update' then 'apt-get upgrade'.
>
> I have successfully downloaded all the new .debs but upgrade chokes
> with the following message:
>
> E: This installation run will require temporarily removing the essential
> package libpam-modules due to a Conflicts/Pre-Depends loop.
> This is often bad, but if you really want to do it, activate the APT::Force-LoopBreak option.
> E: Internal Error, Could not early remove libpam-modules
>
> Any tips?

The easiest thing to do is just what it says:

apt-get -u -o=APT::Force-LoopBreak=true upgrade

	--Nick