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Date:      Sun, 4 Oct 1998 13:33:31 -0400 (EDT)
From:      Brian Feldman <green@zone.syracuse.net>
To:        Mike Smith <mike@smith.net.au>
Cc:        Michael Class <michaelc@hpbbse.bbn.hp.com>, current@FreeBSD.ORG
Subject:   Re: Problem with 3-stage bootloader 
Message-ID:  <Pine.BSF.4.04.9810041332030.16118-100000@zone.syracuse.net>
In-Reply-To: <199810041010.DAA03555@dingo.cdrom.com>

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I too cannot boot an ELF kernel yet, as I get a page fault as well :( more
info when I get some. Oh, yes, this is with the very latest kernel and
loader (with the esym = ssym = 0 fixes).

Cheers,
Brian Feldman


On Sun, 4 Oct 1998, Mike Smith wrote:

> > Hello,
> > 
> > I was just trying to use the new 3-stage bootloader.
> > It failed for my setup. To me it looks like it will only work,
> > if the FreeBSD slice is the first in the partition-table of a disk.
> > I can make it to work with the following patch (not meant as a 
> > correct solution, but to give you an idea, of what the reason for
> > the failure is). Basically only the first slice-table entry is copied,
> > but afterwards the code assumes that all 4 entries are in memory.
> 
> Thanks; I just fixed this.
> 
> > After this patch I can boot an aout-kernel on my machine. Unfortunately
> > I am still failing on an ELF-Kernel. I get immediately dropped in the
> > debugger, but a stacktrace gives only garbage back.
> 
> I think this is fixed too - try initialising ssym and esym to 0 in 
> elf_exec and see if that helps.
> -- 
> \\  Sometimes you're ahead,       \\  Mike Smith
> \\  sometimes you're behind.      \\  mike@smith.net.au
> \\  The race is long, and in the  \\  msmith@freebsd.org
> \\  end it's only with yourself.  \\  msmith@cdrom.com
> 
> 
> 
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