Re: 48GB NUMA-Q boots, with major IO-APIC hassles

From: Zwane Mwaikambo (
Date: Sat Jan 18 2003 - 21:13:36 EST

On Sat, 18 Jan 2003, William Lee Irwin III wrote:

> Okay, and here is my latest attempt to deal with the issue (which is
> dirty as sin code-wise, but nm that... I'm trying to debug this).
> This doesn't actually work, I end up deadlocking presumably because
> everything's waiting for an interrupt that's been dropped at some point.


This can never work by looking at the I/O interrupt section of your MP
table you're overwriting interrupt gates. Therefore this has the
unfortunate effect of invalidating the rest of the patch.

Consider this; If you have irq 8 on both ioapic0 and ioapic3 who gets the
vector setup in the IDT?



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