Re: HDIO_SET_DMA failed: Operation not permitted

[Andreas Goesele <Goesele@hfph.mwn.de>]

Andreas Goesele <Goesele@hfph.mwn.de> writes:

> But then the disappointment:
> 
> $ modprobe amd74xx
> 
> $ hdparm -d1 /dev/hda
> 
> /dev/hda:
>  setting using_dma to 1 (on)
>  HDIO_SET_DMA failed: Operation not permitted
>  using_dma    =  0 (off)

It's even worse:

$ modprobe amd74xx
Segmentation fault

And now I have:

amd74xx                 9468   1  (initializing)

The module cannot be removed and interferes with other processes as
for instance ifconfig (which get's stuck and can't be killed
...). Very bad.

Andreas Goesele

-- 
Omnis enim res, quae dando non deficit, dum habetur et non datur,
nondum habetur, quomodo habenda est.
                                      Augustinus, De doctrina christiana