On Sun, 16 Apr 2006 04:48:47 +0100 Alistair John Strachan wrote:
> On Saturday 15 April 2006 19:38, Bill Waddington wrote:
> > On Sat, 15 Apr 2006 16:42:22 UTC, in fa.linux.kernel you wrote:
> > >Esben Stien wrote:
> > >> I'm having problems enabling DMA for my PATA HD.
> > >>
> > >> hdparm -d1 /dev/hdb reports:
> > >> HDIO_SET_DMA failed: Operation not permitted
> > >>
> > >> Of course, I'm super user. Nothing is printed in dmesg.
> > >>
> > >> I'm on linux-2.6.16 and motherboard is Fujitsu Siemens D1561 with an
> > >> ICH5. I also have a SATA hd in the computer and this only happens when
> > >> the SATA hd is there. If I remove the SATA HD, then I can enable DMA
> > >> for the PATA hd.
> > >
> > >Disabled combined mode in BIOS.
> >
> > If only that was possible on my fscking T43. *sigh*
>
> Not sure if this is universal, but if Linux doesn't claim the PATA interface,
> the SATA seems to drive optical drives on (presumably) the other channel
> (ICH7 here, on a Dell laptop with a similar BIOS limitation).
>
> Try CONFIG_IDE=n and boot with libata.atapi_enable=1 and see what happens...
make that libata.atapi_enabled=1
---
~Randy
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