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Date:      Wed, 9 Jan 2002 16:51:43 +0000
From:      Dominic Marks <dominic_marks@btinternet.com>
To:        sos@freebsd.dk, Nils Holland <nils@tisys.org>
Cc:        Matthew Dillon <dillon@apollo.backplane.com>, freebsd-stable@FreeBSD.ORG
Subject:   Re: IDE Prefetch Mode... (was: VIA crashes)
Message-ID:  <E16OLvq-0007Uw-00@rhenium>
In-Reply-To: <200201091635.g09GZdm98854@freebsd.dk>
References:  <200201091635.g09GZdm98854@freebsd.dk>

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On Wednesday 09 January 2002 4:35 pm, Søren Schmidt wrote:
> It seems Nils Holland wrote:
> > On Tue, Jan 08, 2002 at 01:16:32PM -0800, Matthew Dillon stood up 
and spoke:
> > >     I'm CCing Soren to make sure he sees this.
> > >
> > >     This is good news!
> >
> > It indeed is! However, I'm doing some more testing before I say
> > that disabling IDE Prefetch along with using Soren's 686B patch
> > is the ultimate solution.
>
> Hmm, the BIOS must do more that just toggle prefetch, since the ATA
> driver explicitly turns *on* prefetch :)

Out of interest - is there a sysctl turnable which can be used to 
modify this behaviour as there is for write caching?

<snip/>

-- 
Dominic

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