[coreboot] Problem: 8254 timer not connected to IO-APIC.

Knut Kujat knuku at gap.upv.es
Thu Jan 14 16:10:46 CET 2010

Rudolf Marek escribió:
> I think this message about the bug is related to wrong ACPI IRQ
> ovveride entries.
> Usually there are two IRQ overrides. IRQ0 override means that IRQ0 is
> not connected to pin 0 on APIC but to another, most likely pin 2.
> Check the figure above why. Second IRQ override is for ACPI IRQ. This
> overrides the 'level' of the interrupt to 'active low'. The rest of
> the table is filled with NMI entries for the processor.
> http://www.coreboot.org/File:ApicSystem.svg
> Hope it helps,
> Rudolf
Wow, thx for your fast reply! will check that out.

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