From owner-freebsd-current  Sun Dec 12 23:37:56 1999
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From: Soren Schmidt <sos@freebsd.dk>
Message-Id: <199912130737.IAA27680@freebsd.dk>
Subject: Re: ata: lost disk contact errors [was: Re: HEADSUP: wd driver will be retired!]
In-Reply-To: <19991212125901.A38377@myhakas.matti.ee> from Vallo Kallaste at "Dec 12, 1999 12:59:01 pm"
To: vallo@solaris.matti.ee
Date: Mon, 13 Dec 1999 08:37:24 +0100 (CET)
Cc: dwhite@resnet.uoregon.edu (Doug White),
	ntakpe@ffab.tide.ti.com (Jean Louis Ntakpe), current@FreeBSD.ORG
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It seems Vallo Kallaste wrote:
> On Sat, Dec 11, 1999 at 12:57:04PM -0800, Doug White <dwhite@resnet.uoregon.edu> wrote:
> 
> > > I'm getting the "lost disk contact" messages every now and then, but
> > > only on our mp3 machine with PIIX3 controller and IBM UDMA/66 disk. It's
> > > an PPro machine with Intel mobo. Can it be related to newer IBM disks?
> > 
> > Depends on what 'now and then' is.  The Deskstar series of drives was not
> > intended to run 24/7, and therefore shut themselves down every week to
> > clean the heads.  
> 
> Mhm, now I remember the discussion in -current list some time ago. It
> can be, yes, but I need to follow the logs to say for sure. About month
> ago the messages appeared several times per day, not per week.
> Thank you refreshing my memory :-)

Well, I use alot of IBM's and I've newer seen them do this...
Have you tried upping the timeout in ata-disk.c about line 426 to 
say 10s and see if it changes behavior ??

-Søren


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