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Date:      Thu, 28 Sep 2000 11:34:44 +1100
From:      Greg Lehey <grog@lemis.com>
To:        Tony Johnson <gjohnson@gs.verio.net>
Cc:        Kris Kennaway <kris@FreeBSD.ORG>, freebsd-current@FreeBSD.ORG
Subject:   Re: interesting problem
Message-ID:  <20000928113444.F11123@sydney.worldwide.lemis.com>
In-Reply-To: <FOENIGAJAKGPLNGHHADIIEJHDAAA.gjohnson@gs.verio.net>; from gjohnson@gs.verio.net on Wed, Sep 27, 2000 at 07:07:17PM -0500
References:  <Pine.BSF.4.21.0009271647220.87719-100000@freefall.freebsd.org> <FOENIGAJAKGPLNGHHADIIEJHDAAA.gjohnson@gs.verio.net>

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On Wednesday, 27 September 2000 at 19:07:17 -0500, Tony Johnson wrote:
> On  Wednesday, September 27, 2000 6:48 PM, Kris Kennaway wrote:
>> On Wed, 27 Sep 2000, Tony Johnson wrote:
>>> When I booted the 9/27/2000 (ie. today) I got a page fault 12 in
>>> kernel mode.  The problem seems to be because I have all my IDE
>>> devices turned off in my bios.

This is a claim which you need to substantiate.

>>> If this is the case, please undo this!

How do we know if this is the case?

>>> That would be the silliest reason for a kernel to not boot because
>>> I want to save irq's.  I got this from downloading the flp images
>>> and fdimage-ing them to disks!

Well, no, I can think of sillier reasons.  But if it's the case, we
should do something about it.

>>> Please fix this

Fix what?

>> You havent given enough information to diagnose the problem. See the
>> handbook about kernel debugging.
>
> I don't believe the handbook covers "today's" 5.0-Current...

It contains information that you need to understand.

> Why would having no bustmastering DMA IDE disk contriollers on an
> all-scsi system cause a system to page fault from "today's" kern.flp
> && mfsroot.flp boot floppy.

Who knows?  You haven't given any evidence for this opinion.

> Try again...

Your turn.  If you run -CURRENT, you're expected to do some work
yourself.  Certainly it's inappropriate to make an unsubstantiated
claim and then say "fix it".  If you want help, do what people suggest
and come back with sensible questions if you don't understand
something.

Greg
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