From: "Sergey Dolgov" <dolgovs@gmail.com>
To: "Tejun Heo" <htejun@gmail.com>
Cc: "Michal Piotrowski" <michal.k.k.piotrowski@gmail.com>,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
Date: Mon, 17 Sep 2007 16:05:00 +0400 [thread overview]
Message-ID: <ac0be4d70709170505l6c4bba29pc8ad1c92fcb16ae9@mail.gmail.com> (raw)
In-Reply-To: <46EE66EA.3090902@gmail.com>
On 9/17/07, Tejun Heo <htejun@gmail.com> wrote:
[...]
> >>>> BTW, this only happens when using libata of course. The
> >>>> old CONFIG_IDE stuff works fine every time.
> >>> This maybe one of libata weirdness (I really don't get it why some hardware
> >>> works perfectly fine with an old IDE and don't work well with libata).
> >> Hmmm... Is MWDMA2 mode used with ide driver too?
> >>
> >
> > What's the best way to tell whether it does or not? (the log says
> > "selected mode 0x22", see below)
>
> Yes, that's MWDMA2. Hmm... We're seeing many cases where MWDMA doesn't
> work with libata while it works fine with IDE but have no idea what's
> going on yet. :-(
>
Okay, thanks. Please feel free to contact me if you need any more testing done.
--
Sergey
next prev parent reply other threads:[~2007-09-17 12:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-11 21:21 Sergey Dolgov
2007-09-12 16:33 ` Michal Piotrowski
2007-09-12 20:07 ` Sergey Dolgov
2007-09-12 20:19 ` Michal Piotrowski
2007-09-12 21:20 ` Sergey Dolgov
2007-09-12 22:20 ` Michal Piotrowski
2007-09-16 11:56 ` Tejun Heo
2007-09-17 9:57 ` Sergey Dolgov
2007-09-17 11:37 ` Tejun Heo
2007-09-17 12:05 ` Sergey Dolgov [this message]
2007-09-17 17:18 ` Alexey Zaytsev
2007-09-18 18:05 ` Sergey Dolgov
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