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Date:      Wed, 13 Dec 2000 15:22:41 -0800 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        "Ronald F. Guilmette" <rfg@monkeys.com>
Cc:        freebsd-hardware@FreeBSD.org, freebsd-questions@FreeBSD.org, Mike Smith <msmith@FreeBSD.org>
Subject:   Re: Help! "Fatal trap 1: privledged instruction trap" while inst
Message-ID:  <XFMail.001213152241.jhb@FreeBSD.org>
In-Reply-To: <40355.976747841@monkeys.com>

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On 13-Dec-00 Ronald F. Guilmette wrote:
> 
> In message <200012132120.eBDLKr310117@mass.osd.bsdi.com>, 
> Mike Smith <msmith@FreeBSD.ORG> wrote:
> 
>>Also, the VESA code isn't in GENERIC, says he just looking.
>>
>>I'm sorry; I don't have any other great ideas.  Try a new video card. 8)
> 
> OK. I went today and bought a new ATI Xpert 98 video card.
> 
> I installed it into the system in question.
> 
> I tried to install FreeBSD again.
> 
> Still no-go.  I am getting EXACTLY the same error as before at EXACTLY
> the same point in the process.
> 
> Another data point:  I had an old FreeBSD 3.3 CD lying around, so I tried
> that, and sure enough it works!  No problems and I get past the kernel
> initial boot.
> 
> So OK chaps... What does it all mean?

Install nasm and do the dd pipe Mike Smith suggested (the one on /dev/mem) so
we have a guess on how to work around this.

> Based on the evidence, I am inclined to say that there is a definite bug
> in the FreeBSD 4.1.1 generic kernel.  I mean hay!  FreeBSD 3.3 boots up
> fine on the exact same hardware.

3.3 didn't have VM86 support in the kernel by default.  Booting a 3.3 kernel
with VM86 will probably crash as well.

--

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/


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