migrating -current machine to amd64

Sean McNeil sean at mcneil.com
Fri May 28 01:41:43 PDT 2004

Hi Folks,

I just replaced my motherboard with an athlon64 and got everything
working great in 32-bit mode.  I'm very interested in gradually moving
everything to 64-bit. So I tried the following:

make TARGET_ARCH=amd64 buildworld
make TARGET_ARCH=amd64 buildkernel
make TARGET_ARCH=amd64 installkernel

This gave me an amd64 kernel that started to boot but had some problems
looking for /libexec/ld-elf32.so.1.  I tried copying ld-elf.so.1 to
ld-elf32.so.1 and got farther.  But then later it core dumped with
swapon and sh.  I can drop into sh, though, so I'm not sure why it core

What is the best way to migrate and existing system to amd64?  Can I do
that and keep all my ports as i386?  I have found no documentation on
how to do something like this.  I am aware that amd64 is a tier 1
supported architecture, but how about the 32-bit support?  Is that

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