> Just a note: setting DMA through hdparm doesn't work on Linux since
> tens of versions ago, it's been depreceted and you have to trust the
> on-boot autodetection (and it works fine -- unless you didn't compile
> the right driver in). It's the same on real machines.
WHAT!?
i have used it with K
"Sven Köhler" <[EMAIL PROTECTED]> wrote:
> > i just booted a recent knoppix-cd (4.0.2) and i'm trying to enable DMA,
> > but it won't work!
> >
> > I started qemu with that command:
> >
> > qemu -m 256 -cdrom knoppix.iso -boot d
> >
> > But inside knoppix, a "hdparm -d1 /dev/hdc" won't wo
> i just booted a recent knoppix-cd (4.0.2) and i'm trying to enable DMA,
> but it won't work!
>
> I started qemu with that command:
>
> qemu -m 256 -cdrom knoppix.iso -boot d
>
> But inside knoppix, a "hdparm -d1 /dev/hdc" won't work:
> HDIO_SET_DMA failed: Operation not permitted
Ah ha! DMA
