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Date: Sun, 01 Jun 2014 11:56:56 -0700
From: Nathan Whitehorn <nwhitehorn@freebsd.org>
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To: freebsd-hackers@freebsd.org
Subject: Re: Upgrading an i386 machine from amd64.
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On 06/01/14 10:25, Alfred Perlstein wrote:
> Hello hackers.
>
> Is there a way to build on amd64 and then mount over nfs the build and 
> src and installworld from an i386 machine?
>
> The problem seems to be that "install" and "strip" and etc are built 
> as amd64 binaries so that the installworld will fail.
>
> Below I have a solution I was going to do a blog post about, but then 
> realized maybe I'd be leading people down the wrong path.
>
> Can someone verify that I need to use rsync as opposed to installworld 
> for this to work?

Usually the strategy is to update the kernel first, since you can use an 
amd64 kernel with i386 world. Then you reboot, then replace world.
-Nathan