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Date:      Mon, 29 Jul 1996 17:24:05 -0700
From:      "M.R.Murphy" <mrm@Mole.ORG>
To:        cshenton@it.hq.nasa.gov, lithium@cia-g.com
Cc:        hackers@FreeBSD.ORG, hardware@FreeBSD.ORG
Subject:   Re: Fatal trap 12: page fault while in kernel mode
Message-ID:  <199607300024.RAA02198@meerkat.mole.org>

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[...]
> lithium> Fatal tral 12: page fault while in kernel mode
[...]
> lithium> Hardware: 16meg of parity ram, AMD DX4/100, SiS 85c471
> lithium> chipset motherboard (ick!) with VLB bus, Adaptec 284x SCSI
> lithium> controller, S3 video card, etc.
>
> I just brought up 2.1.5R on an AMD486-100 and got a very similar
> problem after rebuilding the kernel. It spat out this kind of error --
> in random processes like sh and inetd -- and failed to boot. 
>
> At the time I was trying to compile in support for a GUS MAX and PC
> Audio devices.
>
> I also noticed I was getting file corruption, as if my disk was dying
> or some such, so I suspect that possibly the kernel file also had
> corruption, causing a bogus instruction to be executed. I just
> re-installed on a new disk, so if this disappears, I'll blame the
> drive. If not, I'm not sure :-(
>

Try disabling the external cache. From experience :-(
--
Mike Murphy  mrm@Mole.ORG  +1 619 598 5874
Better is the enemy of Good



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