Intel EM64T Processor Platform

Jack L. xxjack12xx at
Sun May 29 02:52:02 PDT 2005

I just tried installing from cd, got a kernel panic, going to try doing the steps you mentioned below in a few. Do the old ports still work or will they all need to be recompiled?

----- Original Message -----
From: "Matthew D. Fuller" <fullermd at>
To: "Jack L." <xxjack12xx at>, "Erich Dollansky" <oceanare at>, freebsd-amd64 at
Subject: Re: Intel EM64T Processor Platform
Date: Sun, 29 May 2005 03:43:37 -0500

> On Sun, May 29, 2005 at 10:14:42AM +0200 I heard the voice of
> Roland Smith, and lo! it spake thus:
> >
> > I'm not sure if it is even possible to convert (recompile) an
> > existing install from i386 to amd64.
> I did it on 5.3-RELEASE, since amd64 doesn't have install floppies.
> The process went something like:
> - Cross-build the world and kernel (TARGET_ARCH=amd64).
> - Temporarily appropriate your swap partition, newfs it, mount it on
>    /mnt.
> - Do an installworld and installkernel DESTDIR=/mnt.
> - Reboot and fiddle around in the boot loader to set the right rootdev
>    to boot off that partition.  I can't remember which param needs
>    tweaking...
> - Mount your regular partitions under /mnt (you may have to make
>    symlinks for src and obj to get it to work right).
> - Do another installworld and installkernel onto /mnt (this /mnt now
>    being your real filesystems).
> - Boot normally.  Reclaim your swap partition.
> Some notes:
> - These installworlds may need to be done with make -k, since there's
>    some weirdness I came across.
> - You may have to do another buildworld/installworld afterward, just
>    to make sure everything is clean.  The cross-build, for instance,
>    didn't seem to build the i386 compatibility libraries and dynamic
>    loader.  And there's the errors that made me -k the installworlds...
> A fairly long process, but not too difficult.
> --
> Matthew Fuller     (MF4839)   |  fullermd at
> Systems/Network Administrator |
>             On the Internet, nobody can hear you scream.


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