Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 9 Jan 2002 17:54:14 +0100 (CET)
From:      Søren Schmidt <sos@freebsd.dk>
To:        Dominic Marks <dominic_marks@btinternet.com>
Cc:        Nils Holland <nils@tisys.org>, Matthew Dillon <dillon@apollo.backplane.com>, freebsd-stable@FreeBSD.ORG
Subject:   Re: IDE Prefetch Mode... (was: VIA crashes)
Message-ID:  <200201091654.g09GsG703561@freebsd.dk>
In-Reply-To: <E16OLvq-0007Uw-00@rhenium>

next in thread | previous in thread | raw e-mail | index | archive | help
It seems Dominic Marks wrote:
> 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?

No, and it should *not* be turned off, it makes some setups fail,
which is why the driver enables this..

-Søren

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-stable" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200201091654.g09GsG703561>