From owner-freebsd-stable  Sat Aug 24 11:44:20 2002
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From: Ulrich 'Q' Spoerlein <q@uni.de>
To: "Jamie L. Raymond" <raymond@ccs.neu.edu>
Cc: freebsd-stable@freebsd.org
Subject: Re: 4.6.2 kernel panic upon install
Date: Sat, 24 Aug 2002 20:44:07 +0200
Organization: Hier koennte Ihre Werbung stehen!
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References: <3D679D1D.7090207@ccs.neu.edu>
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On Sat, 24 Aug 2002 10:50:05 -0400, you wrote:

>Here's a transcribed version (meaning there may be a typo or two) of the 
>  event:
>
>ad0: READ command timeout tag-0 serv=0 - resetting
>ata0: resetting devices .. done
>ad0: 3102MB <IBM-DTCA-23240> [6304/16/63] at ata0-master UDMA33
>...[repeats the above a couple more times]
>ata0: resetting devices .. done
>ad0: trying fallback to PIO mode
>
>Fatal trap 12: page fault while in kernel mode

before the kernel loads, there is a 10 second timeout, press space here,
then type the following:

set hw.ata.ata_dma=0
set hw.ata.atapi_dma=0
boot kernel

if this works, then put the two set-lines in your /boot/loader.conf (but
without the 'set')

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