linux-kernel - Re: [patch 3/3] pata: "I do not think it means, what you think it means."

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Message-ID: <58cb370e0803050813q6cb1082cy7e540a77993f3dd6@mail.gmail.com>
Date:	Wed, 5 Mar 2008 17:13:49 +0100
From:	"Bartlomiej Zolnierkiewicz" <bzolnier@...il.com>
To:	"Alan Cox" <alan@...rguk.ukuu.org.uk>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>, jeff@...zik.org,
	linux-ide@...r.kernel.org, alan@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 3/3] pata: "I do not think it means, what you think it means."

On Wed, Mar 5, 2008 at 3:39 PM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
> > There is strange coincidence with being on the blacklist and FIFO corruption.
>  >
>  > https://bugzilla.redhat.com/show_bug.cgi?id=433557
>  >
>  > Bugzilla Bug 433557: Data corrupion with Fedora8 on HPT370 disk controller (Abit BX133 mobo)
>  >
>  > IBM-DTLA-307030 is on the blacklist....
>
>  I wish it was more than a co-incidence but the trace shows it dropped
>  speed as expected.

the trace shows only ST380011A (ata1) dropping speed...

I would suggest that you ask Wojciech to test the patch
(unless it has already happend).

>  > for OSB4 yes but...
>  >
>  > /* Seagate Barracuda ATA IV Family drives in UDMA mode 5
>  >  * can overrun their FIFOs when used with the CSB5 */
>
>  Which gives you a CRC error according to my notes

I have no documentation / errata for ServerWorks chipsets (everything is
NDA-ed) or the hardware in question so I'll trust your opinion on this.

Thanks,
Bart
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