Re: ACPI PCI routing problem

Andrew de Quincey
2003-07-11T16:29:27Z

On Friday 11 July 2003 15:09, Alan Cox wrote:
> On Gwe, 2003-07-11 at 12:43, Andrew de Quincey wrote:
> > > How look /proc/interrupts with IO-APIC, but without ACPI (I mean, no
> > > acpi at all at compile time)?
> >
> > Hi, here you go. ACPI disabled, but APIC/IO-APIC left in. Interesting,
> > everything is set to XT-PIC....
> >
> > During boot it says: Found and enabled local APIC!
> > But does not have any mention of the IO-APIC.
>
> local apic and i/o apic are seperate devices. A system can have one
> (on the CPU) but not the other

Yep. My system does have an IO APIC however. It doesn't find it when I disable
ACPI. I assume this is the expected behaviour, since otherwise you'd have to
scan in the area of memory they're mapped to.