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SubjectRe: APIC with SIS
On 09 Jan 2003 16:45:44 +0000
Justin Cormack <> wrote:

> > > Current ACPI is on sourceforge. The SIS APIC workaround bits haven't yet
> > > been backported to 2.4, so you either do the backport or wait 8)
> >
> > Ok, so I took ACPI from sf and voila: it works now! I took the patch for
> > 2.4.20 and it does fine. Are there chances to include this in the
> > mainstream? Without my SIS-based motherboards do not work at all with
> > shared interrupts (which you actually cannot prevent due to lacking bios
> > support for pci-irq mapping).
> >
> > BTW: I tried 2.4.21-pre[1-3] and none did work, of course.
> You may be able to disable the APIC in the BIOS. One of my new Sis
> boards gave this option and it is an ok workaround for now at least.

Unfortunately it is not. Shared interrupts do _not_ work with APIC disabled.
They _only_ work with APIC enabled in BIOS _and_ APIC support patch from sf.
I tested every other combination and none did work.

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