It seems Terry Lambert wrote:
> "Søren Schmidt" wrote:
> > > This won't work.
> > >
> > > Someone was having the same problem the other day, and
> > > I suggested the same soloution, but after probe, the
> > > damn driver enabled UDMA at attach time anyway.
> >
> > Just set hw.ata.ata_dma="0" in /boot/loader.conf and it
> > will not enabled DMA..
> >
> > > So we removed it from the kernel config... and the damn
> > > thing enabled it again.
> >
> > There is nothing in the config file that affects DMA...
>
> This was a 4.3 system -- things seem to have changed in
> the source tree since then.
Nope.
> In 4.3, it's not possible to disable DMA, because it gets
> reenabled in many places (atapi.c, etc.).
there is no atapi.c...
> This was off-topic for -current, unless the original
> poster was running 4.3-RELEASE or a RELENG_4_3_0_RELEASE...
>
> Sorry for the confusion.
I think you are confused :)
-Søren
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