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

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Date:	Wed, 5 Mar 2008 14:21:13 +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 Wednesday 05 March 2008, Alan Cox wrote:
> 
> > I didn't know any of that.  The changelog might have been kinda fun, but
> > given that it failed to tell us that the patch fixes data-corruption
> > errors, the changelog was excrutiatingly bad.
> 
> I have no reason/evidence to believe it fixes data corruption errors of
> any kind. For the specific combinations of device it should simply avoid
> a long pause, complaints and a switch to lower speeds.

http://www.mail-archive.com/linux-ide@vger.kernel.org/msg16599.html

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....

[ there can be more libata problems involved, anyway FC6 w/IDE works fine ]

> The ATA disk case with serverworks (which is a potential corruptor) was
> always correctly handled.

for OSB4 yes but...

/* Seagate Barracuda ATA IV Family drives in UDMA mode 5
 * can overrun their FIFOs when used with the CSB5 */

static const char *csb_bad_ata100[] = {

Thanks,
Bart
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