From: Tejun Heo <htejun@gmail.com>
To: Mark Lord <liml@rtr.ca>
Cc: Andrew Hall <andrew.a.hall@gmail.com>,
linux-ide@vger.kernel.org, Alan Cox <alan@redhat.com>
Subject: Re: CF flash PATA on libata failure to attach
Date: Fri, 29 Jun 2007 10:36:48 +0900 [thread overview]
Message-ID: <46846230.6080908@gmail.com> (raw)
In-Reply-To: <46845BEE.90801@rtr.ca>
Hello,
Mark Lord wrote:
> Here's a slightly modified hack, which should leave your SATA
> drive working as well as the CF card.
>
> Tejun / Alan : do we really want to continue attempting mdma2
> on a modern chipset such as ICH8 ???
One thing that worries me is that we have reports where the IDE piix can
do mwdma but ata_piix can't. I wonder whether Andrew is hitting the
same problem.
> The best mdma2 can do is the same throughput as pio4,
> and the bus occupancy is so high for mdma2 that it really
> probably isn't worthwhile -- only CF cards seem to use it
> in modern systems anyway.
There also seem to be devices which claim to support mwdma2 but pukes
when actual commands are given. Do we know whether the other os uses
mwdma mode?
--
tejun
next prev parent reply other threads:[~2007-06-29 1:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-18 10:02 CF flash IDE failure to attach with 2.6.20+ Andrew_hall
2007-06-18 11:26 ` Tejun Heo
2007-06-18 11:57 ` Alan Cox
2007-06-18 23:01 ` Andrew Hall
2007-06-19 5:00 ` Tejun Heo
2007-06-21 1:05 ` Andrew Hall
2007-06-21 3:02 ` Tejun Heo
2007-06-21 7:19 ` Andrew Hall
2007-06-21 14:45 ` Mark Lord
2007-06-21 15:09 ` Andrew Hall
2007-06-26 8:51 ` CF flash PATA on libata failure to attach Andrew Hall
2007-06-26 18:50 ` Mark Lord
2007-06-27 3:57 ` Andrew Hall
2007-06-27 14:08 ` Mark Lord
2007-06-27 23:49 ` Andrew Hall
2007-06-28 17:37 ` Mark Lord
2007-06-29 0:35 ` Andrew Hall
2007-06-29 1:10 ` Mark Lord
2007-06-29 1:36 ` Tejun Heo [this message]
2007-06-29 2:26 ` Mark Lord
2007-06-29 2:15 ` Andrew Hall
2007-06-29 2:28 ` Mark Lord
2007-06-29 3:24 ` Andrew Hall
2007-06-29 7:34 ` Andrew Hall
2007-06-29 10:17 ` Alan Cox
2007-07-02 10:58 ` Tejun Heo
2007-07-03 6:13 ` Albert Lee
2007-06-29 10:06 ` Alan Cox
2007-06-25 9:05 ` CF flash IDE failure to attach with 2.6.20+ Andrew Hall
2007-06-18 23:23 ` Andrew Hall
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