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Date:      Wed, 25 Jun 2008 13:35:25 -0700
From:      Jeremy Chadwick <koitsu@FreeBSD.org>
To:        Reid Linnemann <lreid@cs.okstate.edu>
Cc:        "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>
Subject:   Re: READ_DMA timeouts, etc. on FreeBSD 7-STABLE SATA
Message-ID:  <20080625203525.GA52663@eos.sc1.parodius.com>
In-Reply-To: <48628E28.7080004@cs.okstate.edu>

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On Wed, Jun 25, 2008 at 01:27:52PM -0500, Reid Linnemann wrote:
> Does anyone have any ideas? I've googled but can't find any solutions.

http://wiki.freebsd.org/JeremyChadwick/Commonly_reported_issues

And I've begun to make a separate page solely for ATA/SATA issues, which
is still *very* much under development.  The DMA and timeout issues you
see are listed on that page.

http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting

If the LBA changes, then chances are it's not your disks.  SMART stats
might help validate/refute that.  Otherwise, sorry that there's no
solution, but rest assured, you're not alone.

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |



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