From: John Lash <jlash@speakeasy.net>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: dma errors with sata_sil and Seagate disk
Date: Wed, 1 Dec 2004 22:28:02 -0600 [thread overview]
Message-ID: <20041201222802.4545e663@tux> (raw)
In-Reply-To: <1101944482.30990.74.camel@localhost.localdomain>
On Wed, 01 Dec 2004 23:41:22 +0000
Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> On Mer, 2004-12-01 at 17:50, John Lash wrote:
> > I don't see any indication that Seagate has released any public firmware
> > upgrades for this drive. Anybody have a suggestion?
>
> Don't mix seagate drives and SI311x hardware is the best suggestion.
> Even if you activate the workaround for the problem you take a
> performance hit.
>
> Please send Jeff Garzik a patch for the the change you made of course.
>
>
Thanks Alan, that's pretty clear ;-) Yes, performance hit, big time, 9-10 MB/sec, load average
through the roof on a big copy. Pretty much what I was expecting though. I'll look around work and
see if there is anybody I can trade with. Odd that those two devices are so wildly incompatible.
I'll roll up a patch for the change in the morning.
--john
next prev parent reply other threads:[~2004-12-02 4:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-01 17:50 dma errors with sata_sil and Seagate disk John Lash
2004-12-01 23:41 ` Alan Cox
2004-12-02 4:28 ` John Lash [this message]
2004-12-02 10:01 ` Måns Rullgård
2004-12-02 23:33 ` Alan Cox
2004-12-03 1:14 ` Måns Rullgård
2004-12-03 4:07 ` Jeff Garzik
2004-12-03 4:19 ` John Lash
2004-12-03 4:05 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2004-12-25 21:02 raz0
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