I got the same problem with mmap memory. I solved it by creating the file
/etc/apt/apt.conf with the following text
APT::Cache-Limit 12582912

Antoine

On Sat, Jan 24, 2004 at 09:26:14AM +0000, jpff@codemist.co.uk wrote:
> I took the files from an anonymous cvs, but then hit the autoconf
> being the wrong version.  I have been given a recipe for allowing
> mixing stable/testing/unstable but then apt-get crashs with
> insufficient memory in mmap.  I still conclude that at the current
> moment, Debian users are lost.
>   Yes I could get it going by copying from my working system, but that
> is not the point.
> ==John ffitch

-- 
Antoine Lefebvre
antoine.lefebvre@polymtl.ca