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Date: Thu, 18 Jun 2009 21:36:29 +0200
From: Erik Norgaard <norgaard@locolomo.org>
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To: Bruce Ferrell <bferrell@baywinds.org>
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Cc: freebsd-questions@freebsd.org
Subject: Re: PXEBOOT based upgrade/install
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Bruce Ferrell wrote:
> Hi all!
> 
> I'm new in these parts, but not new to *nix.  I'm trying to upgrade a
> system with FreeBSD 5.4 to 7.2.
> 
> I've gotten the pxeboot to work, but somehow the network interface isn't
> seen by the installer.
> 
> loader.rc:
> ===========
> include /boot/loader.4th
> include /boot/beastie.4th
> 
> \ Reads and processes loader.conf variables
> start
> 
> load /boot/kernel/kernel
> load -t mfs_root /boot/mfsroot
> set vfs.root.mountfrom="ufs:/dev/md0c"
> boot
> 
> loader.conf:
> ============
> mfsroot_load="YES"
> mfsroot_type="mfs_root"
> mfsroot_name="/boot/mfsroot"
> if_bge_load="yes"
> 
> I added the if_bge line at that seems to be the module used on 5.4.
> 
> Any other leads?

I wrote a guide years ago, it hasn't been updated since 6.2, but for 
this stage I don't think there are any changes.

http://www.locolomo.org/pub/pxeboot/index.html

It also explains how to build your own custom mfsroot.

Does the kernel support tftp and/or nfs? is your mfsroot actually 
fetched from the server?

BR, Erik

-- 
Erik Nørgaard
Ph: +34.666334818/+34.915211157                  http://www.locolomo.org