Re: IO-APIC on nforce2

[Maciej W. Rozycki]

On Tue, 13 Apr 2004, Ross Dickson wrote:

> Maciej forwarded me some an override patch he developed for another
> architecture where one could spec MP info as kernel args and that worked but
> we still had no nmi_debug=1 with the timer_ack=1 situation, which he then
> fixed in 2.6.3-mm3 but it got pulled for 2.6.4
> 
> Maciej, is that override code good to go on latest kernels? I am a novice to 
> acpi parsing etc.

 I suppose it should be fine.

> Unfortunately spurious interrupts contribute to disconnect rate - and there
> are lots of those in XT-PIC mode. I hacked the proc/interrupts code to view
> them on irq7 and it was really bad if I used local apic without io-apic.

 Spurious interrupts are normally recorded in the "ERR" entry in
/proc/interrupts, so you shouldn't have to record them separately.  And
there should be none counted, except perhaps a few arriving upon 
initialization of the local APIC.

-- 
+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+--------------------------------------------------------------+
+        e-mail: macro@xxxxxxxxxxxxx, PGP key available        +
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