[ale] hdparm fails setting DMA

[Benjie]

You can do a hdparm -i device to list the features of the drive.  This
will also tell you what mode the drive is in.

Benjie

On 7/16/06, Jason Lunz <lunz at falooley.org> wrote:
> dcorbin at machturtle.com said:
> > Can suggest how to get around this problem?
> >
> > ----cut----
> > trombone dcorbin # hdparm -d1 /dev/hda
> >
> > /dev/hda:
> >  setting using_dma to 1 (on)
> >  HDIO_SET_DMA failed: Operation not permitted
> >  using_dma    =  0 (off)
>
> this probably means the ide driver doesn't support that. Maybe you're
> using the wrong one? What are the detection messages printed in dmesg at
> boot?
>
> It's generally not necessary to manually enable ide dma. The driver will
> do that if it's supported. not always, but usually.
>
> Jason
>
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