On Fri, 6 Jun 2003 10:22:52 -0700
Ho Lee <Ho_Lee@sdesigns.com> wrote:
>
> ide=nodma option would help you. It disables DMA on every
> IDE interfaces.
Thanks, I know that. My problem is disabling DMA on _certain_ ide devices,
while others remain with DMA enabled. How do you do that?
Regards,
Stephan
> Regards,
> Ho
>
> -----Original Message-----
> From: Stephan von Krawczynski [mailto:skraw@ithnet.com]
> Sent: Friday, June 06, 2003 5:25 AM
> To: linux-kernel
> Subject: How to turn off ide dma ...
>
>
> for certain devices as boot-option in kernel 2.4.20 ?
>
> E.g. you have three devices and want one of them (not all) to come up PIO
> instead of DMA.
> As using hdparm gives errors and delays for about 20-30 seconds on this
> device
> it would be better to turn it off right from the beginning.
>
> Regards,
> Stephan
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