Re: HDIO_SET_DMA failed: Operation not permitted

[Markus Schabel <markus.schabel@tgm.ac.at>]

Tim Beauregard wrote:
> Mike Chandler wrote:
> [...]
>
> > Hey Tim,
> > I'm in the same boat, except kernel-2.6.3-1.
> > hdparm returns this error:
> >
> > root@debian:/home/mike# hdparm -d1 /dev/hdb
> >
> > /dev/hdb:
> >  setting using_dma to 1 (on)
> >  HDIO_SET_DMA failed: Operation not permitted
> >  using_dma    =  0 (off)
> > root@debian:/home/mike#
> >
> > I am stuck, I hope somebody has the answer...
> > Thanks
>
> Unfortunately my first post was 9 days ago, and noone replied to that.

I had that problem when i forgot to compile the piix drivers into the
kernel. after fixing that, all worked fine again.

best regards, Markus