Re: DVD playback not working

[Michael Neumann <mneumann@xxxxxxxx>]

Simon 'corecode' Schubert wrote:
> Hey,
>
> Yesterday night I tried to play a DVD.  No luck.  I tried with Ubuntu, 
> no luck either until I installed libdvdcss.  So my drive works, but 
> DragonFly has no means of playing a DVD.
>
> That's pathetic.
>
> A selection of error messages (all with libdvdcss installed):
>
> ogle:
> (from dmesg)
> ata0: FAILURE - non aligned DMA transfer attempted
> acd0: setting up DMA failed

Googling for "non aligned DMA transfer attempted" lead me to this page
(in German):

http://www.bsdforen.de/showthread.php?p=185404

So it seems FreeBSD (7.0) has the same problem. Someone suggests the
following:

  natacontrol mode acd0 pio4

Regards,

  Michael