Brian G. Rhodes bgr at gw.linespeed.net
Thu Jun 12 14:53:00 CEST 2003


I was always under the impression that the BIOS should enable a device
(bus master) always.  And slaves would not be able to be set.  Some
devices set a capability which you can read this from to know whether the
device should be a master or not.

Why, or where, should the OS do it?  Driver?

Brian G Rhodes
bgr at linespeed.net
brhodes at visualcircuits.com
+1 612-741-1191

On Thu, 12 Jun 2003, ron minnich wrote:

> On Fri, 13 Jun 2003, Andrew Ip wrote:
> > > The reason I was not getting interrupts on devices in the pci slot on the
> > > EPIA is because they were not set to be bus masters, so they would never
> > > generate interrupts.  A quick write to the command register fixed the
> > > problem.  Command register is being set to 0x02.  It should be set to
> > > 0x06.  a 6 to 4.
> > Thanks for the catch.  IIRC, I did have extra ethernet card working before.
> PLEASE do not patch linuxbios to enable this.
> thanks
> ron
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