[ale] hdparm fails setting DMA

[Jason Lunz]

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