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From: Oliver Joa <oliver@j-o-a.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to Switch DMA off for only one Harddisk at Kernelboot
Date: Mon, 17 Dec 2007 12:17:34 +0100	[thread overview]
Message-ID: <47665ACE.7020907@j-o-a.de> (raw)
In-Reply-To: <20071216201643.396fa8d7@the-village.bc.nu>

Hi,

Alan Cox wrote:

[...]

> For the current kernel and libata you can use libata.dma=3, and it will
> select DMA for disk (1) + CD (2) but not CF cards. With the older IDE it
> should be sufficient to use hda=nodma

Thanks a lot, but it does not work:

If I use libata.dma=3 I get the following:
[    0.000000] Unknown boot option `libata.dma=3': ignoring

And if I use hda=nodma:
[    0.000000] ide_setup: hda=nodma -- BAD OPTION

I use kernel 2.6.21.5.

Any Idea?

Thanks

Olli

  reply	other threads:[~2007-12-17 11:17 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-16 18:06 How to Switch DMA off for only one Harddisk at Kernelboot Oliver Joa
2007-12-16 19:25 ` Gabriel C
2007-12-16 19:33   ` Oliver Joa
2007-12-16 19:45     ` Gabriel C
2007-12-16 19:53       ` Oliver Joa
2007-12-16 20:31         ` Gabriel C
2007-12-29 11:50           ` Konstantin A. Lepikhov
2007-12-16 20:16 ` Alan Cox
2007-12-17 11:17   ` Oliver Joa [this message]
2007-12-17 11:58     ` Bartlomiej Zolnierkiewicz
2007-12-17 22:32 ` Lennart Sorensen
2007-12-17 23:44   ` Oliver Joa
2007-12-18  0:04   ` Alan Cox

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