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From: Kees Plonsz <kees@jeremino.homeunix.net>
To: Erik Norgaard <norgaard@locolomo.org>,
	freebsd-questions@freebsd.org
Date: Tue, 23 Nov 2004 16:50:02 +0100
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Subject: Re: PXE boot with TFTP
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Erik Norgaard wrote:

> Ruben de Groot wrote:
> 
>> I'm successfully doing the same thing you are trying here. How do you
>> start tftpd? I have it launched from inetd with option "-s /var/tftp".
> 
> Thanks, I had no -s. I inserted -l -s /var/tftp, -l to get log in
> /var/log/messages
> 
> Now I get:==============
> 
> pxe_open: gateway ip:  192.168.0.1
> Error: Stack underflow
> |
> /boot/kernel/kernel text=... ...
> Hit [Enter] to boot immediately, or any other key for command promt.
> Booting [/boot/kernel/kernel]...
> /boot/kernel/acpi.ko text=... ...
> =========================
> 
> It appears that it tries to mount with nfs because when sniffing i see
> udp packets to port 2049. So then it hangs. I don't get to loading the
> memory file system.
> 
> If you have a working setup (loader.rc), would you share (mail off list
> if you prefer)?
> 
> Thanks.
> 
> Erik

My ISP is using PXE boot and had some papers published.
Maybe this helps:

http://www.xs4all.nl/~scorpio/sane2002/

You can always ask Cor for more information.
He useally is a very helpfull person.