[coreboot] IOAPIC Initialisation - How much do you have to do ??
r.marek at assembler.cz
Fri Jul 24 22:40:18 CEST 2009
Harrison, Jon (SELEX GALILEO, UK) napsal(a):
> Sooo. I've added MPtables and masked IRQ0 from boot but still get
> APIC error on CPU0: 40(40)
Hi, seems like I'm bit online ;)
Check if bit 7 on 48h
7 APIC FSB Fixed at Low DW
It changes how the APIC is delivered. Also if external bus is used, you will
need to check the pin multiplexer/multifunction is setup correctly.
> Is there a kernel command line option that will turn on more verbose
> APIC output ?
Yes but not help apic=debug maybe
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