I was testing some of my md5sum routines and I kept getting weird
results on ARM-based computers.

Specifically, the pool file md5sum numbers were different depending on
whether I computed them under Fedora 12 on an x86 machine vs under
Debian Lenny on an ARM-based computer.

This obviously creates issues if you want to move your backup drive
between different CPUs.

I narrowed it down to Digest::MD5, by doing the following 1-liner:
perl -e 'use Digest::MD5 qw(md5_hex);$file=testfile; 
$size=(stat($file))[7];$body=`cat $file`; print md5_hex($size,$body) . "\n";'

This should be the same as:
perl -e '$file=testfile; $size=(stat($file))[7];$body=`cat $file`; print $size, 
$body;' | md5sum

For maybe 1% of files in my pool the ARM machine gave the wrong answer
when using Digest::MD5

So, something must be wacko in the perl implementation of Digest::MD5
on ARM machines!


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