On 2013-01-24 16:58 +0100, Mark Allums wrote:
> The third bit is the hard part. I am wondering if I should go from lucid to
> precise first, or do the 32/64-bit trick first. Or is there a way to do
> both at once?
With dpkg from lucid or precise you're out of luck anyway. The former
is not multiarch aware at all, the latter does not support
crossgrades¹. You need at least dpkg 1.16.2.
Cheers,
Sven
¹ http://lists.debian.org/debian-dpkg/2011/12/msg00023.html