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Date:      Mon, 11 Dec 2000 19:48:20 -0800 (PST)
From:      Doug Ambrisko <ambrisko@whistle.com>
To:        John Fitzgibbon <fitz@jfitz.com>
Cc:        freebsd-net@FreeBSD.ORG
Subject:   Re: Etherboot 4.6.1 and FreeBSD 4.2 Release
Message-ID:  <200012120348.TAA24198@whistle.com>
In-Reply-To: <001101c063c1$d2c46c60$040ca8c0@fitz> from John Fitzgibbon at "Dec 11, 2000 02:29:25 pm"

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John Fitzgibbon writes:
| For the benefit of fellow-sufferers:
| 
| I figured it out. It was a plain old DOS problem rather than
| Etherboot/FreeBSD.
| 
| I took the following lines out of my boot floppy's config.sys:
| 
| device=himem.sys /testmem:off
| dos=high,umb
| stacks=9,256
| 
| ... and the kernel boots fine.
| 
| Now I just need to get my conf files sorted....
| 
| ----- Original Message -----
| From: "John Fitzgibbon" <fitz@jfitz.com>
| 
| > Anyone know if this combination works?
| >
| > I'm trying to use Etherboot 4.6.1's ne.com, (vanilla compile from the
| ports
| > collection), to diskless boot a 4.2 Release kernel.
| >
| > On the client, ne.com recognizes the kernel as FreeBSD/ELF and loads it
| from
| > the server. However, on switching to the kernel I immediately get the
| > following:
| >
| > Fatal trap 12: page fault while in vm86 mode...
| > fault code = user read, page not present...
| > panic page fault
| >
| > ... and I'm hosed.
| >
| > The kernel is compiled with the BOOTP options, (but it looks like its not
| > even loaded properly).
| >
| > Any suggestions/alternatives would be appreciated.

FYI, you can make a bootable floppy without the need for DOS via
cd in work/etherboot/src and type gmake bin32/<device type>.fd0

That's what I usually do.

Doug A.


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