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Date: Mon, 18 Feb 2008 16:24:11 +0100
From: Dominic Fandrey <kamikaze@bsdforen.de>
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To: navneet Upadhyay <navneet.upadhyay@gmail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: 32 bit and 64 bit freebsd binary compatiblty
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navneet Upadhyay wrote:
> Hi ,
>         For our product we generally compile the binaries on 32 bit systems
> and use them for both 32 and 64 bit systems. like we have same binaries for
> 32 bit and 64 bit RHEL.
> 
> We are porting the product to FreeBSD and when we tried the same,
> i.erunning binaries compiled on 32 bit FreeBSD
> 6.2 on 64 bit FreeBSD system they produce *core dump.*
> 
> 
> Any known reasons, do we have to compile binaries on 64 bit machine.

This should not happen. I would blindly guess at a linking problem. Are you 
using any shared libraries that do not belong to the base system?