Messages in this thread | | | Date | Sat, 15 Apr 2006 21:30:25 -0700 | From | "Randy.Dunlap" <> | Subject | Re: SATA Conflict with PATA DMA |
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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
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