From: Tejun Heo <htejun@gmail.com>
To: Denys Fedoryshchenko <denys@visp.net.lb>
Cc: Jeff Garzik <jeff@garzik.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
Mark Lord <liml@rtr.ca>, James Andrewartha <jamesa@daa.com.au>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: SC1200 failure in 2.6.23 and 2.6.24-rc1-git10
Date: Fri, 09 Nov 2007 10:44:31 +0900 [thread overview]
Message-ID: <4733BB7F.8010004@gmail.com> (raw)
In-Reply-To: <20071108195605.M20599@visp.net.lb>
Denys Fedoryshchenko wrote:
> Thanks, it works like that.
>
> Seems in libata there is no fall-back to non-DMA mode, if DMA didn't work.
There is, it's just too conservative about that. With improvements
pending for 2.6.24, it should be quite snappy at falling back to PIO if
configured transfer mode doesn't seem to work at all (consecutive IO
command failures after transfer mode configuration change).
--
tejun
next prev parent reply other threads:[~2007-11-09 1:44 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20071101213013.M54162@visp.net.lb>
2007-11-07 6:15 ` SC1200 failure in 2.6.23 and 2.6.24-rc1-git10 Andrew Morton
2007-11-07 13:27 ` Denys Fedoryshchenko
2007-11-07 15:23 ` James Andrewartha
2007-11-07 16:06 ` Denys Fedoryshchenko
2007-11-07 19:12 ` Mark Lord
2007-11-07 21:22 ` Denys Fedoryshchenko
2007-11-07 22:31 ` Mark Lord
2007-11-07 22:54 ` Alan Cox
2007-11-07 21:36 ` Denys Fedoryshchenko
2007-11-07 23:20 ` Jeff Garzik
2007-11-07 23:24 ` Mark Lord
2007-11-07 23:49 ` Denys Fedoryshchenko
2007-11-08 0:01 ` Denys Fedoryshchenko
2007-11-08 0:30 ` Bartlomiej Zolnierkiewicz
2007-11-08 7:16 ` Denys Fedoryshchenko
2007-11-08 10:48 ` Alan Cox
2007-11-08 16:44 ` Denys Fedoryshchenko
2007-11-08 17:31 ` Jeff Garzik
2007-11-08 19:56 ` Denys Fedoryshchenko
2007-11-08 22:40 ` Alan Cox
2007-11-09 1:44 ` Tejun Heo [this message]
[not found] <fa.FFqM2AneKZLH2d3/UIeCMjE/RLE@ifi.uio.no>
2007-11-08 1:41 ` Robert Hancock
2007-11-08 7:01 ` Denys Fedoryshchenko
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