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Date: Thu, 17 Jul 2008 19:17:49 -0600
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To: linux-kernel@vger.kernel.org, trelane@digitasaru.net
Subject: Re: ata error message exception Emask 0x0 SAct 0x0 SErr 0x0 action
 0x2
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Joseph Pingenot wrote:
> Hi all.
> 
> Anyone know what is causing the following troubles:
> Jul 16 16:16:27 cruftix kernel: [12538.998440] ata5.00: exception Emask
> 0x0 SAct 0x0 SErr 0x0 action 0x2
> Jul 16 16:16:27 cruftix kernel: [12538.998450] ata5.00: irq_stat
> 0x00020002, device error via D2H FIS
> Jul 16 16:16:27 cruftix kernel: [12538.998457] ata5.00: cmd
> 35/00:08:87:17:58/00:00:59:00:00/e0 tag 0 dma 4096 out
> Jul 16 16:16:27 cruftix kernel: [12538.998459]          res
> 51/84:00:8e:17:58/00:00:59:00:00/e0 Emask 0x10 (ATA bus error)
> Jul 16 16:16:27 cruftix kernel: [12538.998464] ata5.00: status: { DRDY
> ERR }
> Jul 16 16:16:27 cruftix kernel: [12538.998466] ata5.00: error: { ICRC
> ABRT }

..

> (just a sampling)
> I'm transferring data to an ext3 filesystem on a Seagate FreeAgent Pro
>   1TB disk with an eSATA connector (Norco 4618 eSATA card with SiI 3124:

Looks like you're getting errors on the SATA link. It sounds like a lot 
of eSATA cables are crap and don't connect properly, etc. so that would 
be the first thing to try swapping out.