lkml.org 
[lkml]   [2003]   [Jan]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 48GB NUMA-Q boots, with major IO-APIC hassles
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.

> +int vector_to_irq[MAX_NUMNODES][FIRST_SYSTEM_VECTOR - FIRST_DEVICE_VECTOR + 1];

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?

Zwane
--
function.linuxpower.ca


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:32    [W:0.122 / U:0.800 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site