From owner-freebsd-hackers@FreeBSD.ORG  Wed Sep 14 15:14:26 2005
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From: =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@FreeBSD.org>
Date: Wed, 14 Sep 2005 17:13:52 +0200
To: "Roger O. Svenning" <roger@audioweb.no>
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Cc: freebsd-hackers@FreeBSD.org
Subject: Re: Intel 6300ESB SATA and TIMEOUT - WRITE_DMA
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On 14/09/2005, at 17:05, Roger O. Svenning wrote:

> Hi
>
> I've browsed several topics on the 6300ESB SATA but found no definite
> answers.
>
> Like other people I'm getting messages like this:
> Sep 14 16:17:39 nwn kernel: ad2: TIMEOUT - WRITE_DMA retrying (2 =20
> retries
> left) LBA=3D181559215
> Sep 14 16:17:49 nwn kernel: ad2: TIMEOUT - WRITE_DMA retrying (2 =20
> retries
> left) LBA=3D178887855
> Sep 14 16:18:25 nwn kernel: ad2: TIMEOUT - WRITE_DMA retrying (2 =20
> retries
> left) LBA=3D177772175
> Sep 14 16:18:54 nwn kernel: ad2: TIMEOUT - WRITE_DMA retrying (2 =20
> retries
> left) LBA=3D181145967
> Sep 14 16:48:25 nwn kernel: ad2: TIMEOUT - READ_DMA retrying (2 =20
> retries
> left) LBA=3D111173359
>
> Entire system is brand new.
>
> Tried to cvsup and rebuild the system today, still get the same errors
> and terrible disk performance.
>
> Anybody knows the status on this controller, possible fixes or planned
> fixes?

You should try 6.0-beta4 as that contains the solution to whatever =20
ATA problems you might have on 5.x. Let me know how that goes.

S=F8ren Schmidt
sos@FreeBSD.org