Jeffrey J. Kosowsky wrote at about 16:07:04 -0500 on Tuesday, February 8, 2011:
 > When I backup files on an arm (armel) architecture with rsync
 > checksums and then transfer the pool over to an x86 architecture, the
 > checksums no longer verify.
 > 
 > In other words checksums that verify properly on the armel platform,
 > don't verify when run on an x86 platform and vice-versa.
 > 
 > This is quite distressing since this means that one can't copy over
 > the pool from one architecture to another and expect it to work
 > properly without lots of checksum errors.
 > 
 > I have double checked this by writing my own routine which uses the
 > subroutines in File::RsyncP::digest to verify digests on both
 > platforms -- and the same file gives *different* results on the
 > different platforms.
 > 
 > I'm really at a loss to explain how and why this happens but it is not
 > a good bug ;)
 > 
 > I am not sure if this is related to the bug I mentioned last week in
 > perl 10.0 where md5sums are miscomputed on the arm platform.
 > 

Here is the bug report identifying the problem with Digest::MD5
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=289884

Apparently, it has to do with arm processors requiring
U32_ALIGNMENT_REQUIRED.

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