> just as a hint: I do have a SiS based UP test system around that
> misbehaves with IO-APIC enabled.
> for more system details.
> From the back of my head: with IO-APIC enabled and 3 RTL8139 (one on
> board, the other two PCI) the NICs get assigned IRQs 17 and 18 but don't
> seem to receive any interrupt at all. Without IO-APIC all three NICs
> share IRQ 11 and do work. Further details on request (very low priority
> problem for me). Oh, nearly forgot: kernel is 2.4.20rc1.
That's not going to be fixed by Michael's patch... Any IOAPIC-related
problems cannot be fixed at the driver level, but must be fixed by a
BIOS update (or possibly an IOAPIC code fix). Sometimes vendors do not
bother do even wire the IOAPIC when it is a uniprocessor board :(
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