From owner-freebsd-current  Sun Aug  5 12:23: 9 2001
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Date: Sun, 5 Aug 2001 12:23:06 -0700 (PDT)
From: Gordon Tetlow <gordont@gnf.org>
To: John Baldwin <jhb@FreeBSD.ORG>
Cc: <current@FreeBSD.ORG>
Subject: RE: snapshot installation woes
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On Sat, 4 Aug 2001, John Baldwin wrote:

> On 04-Aug-01 Gordon Tetlow wrote:
> > I decided I was going to brave 5.0-CURRENT and give the snapshots
> > available on current.jp.freebsd.org a try. I found a couple issues with
> > installation disks (FWIW, I tried it on the lastest snapshot avail on
> > current.freebsd.org. I got the same results).
> >
> > Anyway, I go through the standard kern/mfsroot floppy deal and when it
> > boots the kernel, everything seems to be going fine until I get the
> > following kernel panic:
> >
> > Fatal trap 12: page fault while in kernel mode
> > fault virtual address = 0xffffffab
>
> That's a NULL pointer deref.
>
> > fault code            = supervisor write, page not present
> > instruction pointer   = 0x8:0xc0a75ac0
>
> Hmmm...  Can you look in the bin dist for the kernel.debug and do a
> 'gdb -k' on it to look up this address to see what line it is dying on?
>
> No idea on the ahc0 error. :(

A little more information, if I disable the on-board audio (pnpscan shows
it to be CSCe835 IBM Audio Feature) the kernel panic goes away. I'm still
working on getting the line it's dying on.

-gordon


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