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Date:	Sun, 30 May 2010 12:57:31 -0600
From:	Thomas Fjellstrom <tfjellstrom@...angesoft.net>
To:	linux-kernel@...r.kernel.org
Cc:	Robert Hancock <hancockrwd@...il.com>, linux-ide@...r.kernel.org
Subject: Re: via 8237 sata errors

On May 30, 2010, Robert Hancock wrote:
> On 05/29/2010 08:46 PM, Thomas Fjellstrom wrote:
> > I'm getting a rather nasty set of messages from dmesg when trying to
> > use a couple SATA II WD 2TB Green drives with an older system (via
> > 8237 based). They seem to work fine on a newer p35 based system.
> 
> ..
> 
> > [  283.308963] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action
> > 0x0 [  283.309007] ata2.00: BMDMA stat 0x4
> > [  283.309045] ata2.00: failed command: READ DMA
> > [  283.309089] ata2.00: cmd c8/00:08:08:08:30/00:00:00:00:00/e0 tag 0
> > dma 4096 in [  283.309091]          res
> > 41/04:00:08:08:30/00:00:00:00:00/e0 Emask 0x1 (device error) [ 
> > 283.309171] ata2.00: status: { DRDY ERR }
> > [  283.309207] ata2.00: error: { ABRT }
> > [  283.324886] ata2.00: configured for UDMA/133
> > [  283.324904] ata2: EH complete
> 
> It's not really clear why the drive is returning command aborted on a
> read, there's no other error bits to indicate an uncorrectable error or
> a CRC error. Is it only the one drive that's giving the errors?

I'm not entirely sure if its the same drive each time. I can make sure 
today. The fun part is it works fine in a different machine. Where as it 
will start erroring out like that almost right away in the via based 
machine. When its doing that, its also making some fairly scary (for a hard 
drive) noises, but since it doesn't do that in the p35 machine I'm really 
hoping it isn't the drive.

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-- 
Thomas Fjellstrom
tfjellstrom@...angesoft.net
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