I have an odd upgrade problem which I detailed on debian-user and I’ve yet to receive a reply.
Maybe this blog will help. :)
Solution: Remove /etc/apt/preferences ! DOH
bible$ cat /etc/apt/preferences
Explanation: Pinned by apt-listbugs at Thu Sep 01 22:46:12 BST 2005
Explanation: #231082: spamassassin: spamc hangs since most recent perl package updates for stable
Explanation: #283320: perl FTBFS on mipsel/lasat, but not on mipsel/cobalt
Pin: version 5.8.4–8