From owner-freebsd-stable  Tue Jun 18  8:27: 9 2002
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Date: Tue, 18 Jun 2002 10:26:59 -0500
From: "David W. Chapman Jr." <dwcjr@inethouston.net>
To: Jamie Heckford <jamie@tridentmicrosystems.co.uk>
Cc: freebsd-stable@freebsd.org
Subject: Re: Wierd ATA errors
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On Tue, Jun 18, 2002 at 04:13:04PM +0100, Jamie Heckford wrote:
> Hi,
> 
> Im getting a lot of strange errors on FreeBSD 4.6-STABLE #2: Tue Jun 18
> 14:20:36 BST 2002,
> involving 3x 120GB drives I have installed.
> 
> The errors im getting are ones such as these:
> 
> ad5: WRITE command timeout tag=0 serv=0 - resetting
> ata2: resetting devices .. ad4: DMA limited to UDMA33, non-ATA66 cable or
> device
> done
> ad6: WRITE command timeout tag=0 serv=0 - resetting
> ata3: resetting devices .. done
> ad6: WRITE command timeout tag=0 serv=0 - resetting
> ata3: resetting devices .. done
> 
> I haven't enabled tagged q'ing or write caching - full dmesg output with
> errors attached.

Sometimes this can mean that a drive is going bad.

Could you try to run a diagnostic disk from the manufacturer on ad6, 
that might be a drive with a bad sector.

-- 
David W. Chapman Jr.
dwcjr@inethouston.net	Raintree Network Services, Inc. <www.inethouston.net>
dwcjr@freebsd.org	FreeBSD Committer <www.FreeBSD.org>

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