Trying to solve performance issues on Rawhide

[Alan Cox]

On Fri, Aug 12, 2005 at 10:50:41AM +1000, Rodd Clarkson wrote:
>  setting using_dma to 1 (on)
>  HDIO_SET_DMA failed: Operation not permitted
>  using_dma    =  0 (off)
> 
> This in an a brand new dell laptop with a Fujitsu drive that supports
> UltraDMA.

What does lspci show for your IDE controller. From the above it may just not
be supported yet.