From owner-freebsd-hackers@FreeBSD.ORG  Wed Apr 25 00:20:39 2007
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Date: Tue, 24 Apr 2007 21:20:27 -0300
From: Alejandro Pulver <alepulver@FreeBSD.org>
To: rick-freebsd@kiwi-computer.com
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Cc: freebsd-hackers@freebsd.org
Subject: Re: High disk load +mount/atacontrol/NFS/SMBFS crashes the system
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On Mon, 23 Apr 2007 22:59:44 -0500
"Rick C. Petty" <rick-freebsd@kiwi-computer.com> wrote:

> On Mon, Apr 23, 2007 at 09:58:58PM -0300, Alejandro Pulver wrote:
> >=20
> > In the machine which was recently upgraded to 6.2 using "atacontrol"
> > when the disk is reading/writing crashes the system half or more of the
> > times.
>=20
> Which atacontrol command were you doing?  Just plain "atacontrol" shouldn=
't
> do anything useful.
>=20

To change DMA modes, like:

# atacontrol mode ad0 UDMA100

Best Regards,
Ale

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