Stijn Hoop stijn at win.tue.nl
Mon Jun 14 08:41:35 GMT 2004

Hoi, [dutch by any chance? :)]

On Sat, Jun 12, 2004 at 01:25:28AM +0200, Arno J. Klaassen wrote:
> > On Thu, May 27, 2004 at 09:08:58PM +1000, Bruce Evans wrote:
> > > Interesting.  It seems that the problems handling nForce2 APICs are mainly
> > > in FreeBSD.  My A7N8X-E system behaves similarly, except I fixed the
> > > interrupt storm detection in -current so that the system is almost
> > > usable.
> > 
> > While installing FreeBSD on my new & shiny A7N8X-Deluxe I also ran into
> > this problem. Enabling the APIC triggers an interrupt storm on IRQ's > 16.
> > While -CURRENT at least boots (an older -CURRENT that I first tried to
> > install hung after determining the TSC), it still is unusable over the
> > network because the built-in xl0 keeps getting watchdog timeout's (it's
> > at irq20).
> I worked around this problem by assiging a free irq in the BIOS
> (MB A7N266, not a A7N8, dunno if the A7N8 BIOS gives you
> this possibility)

Unfortunately, no. Disabling device apic in my custom kernel works though
(because no devices get IRQs > 16 most probably).

> > Disabling the APIC in the BIOS works around the problem (ACPI still
> > enabled), but unfortunately Windows won't boot in that case :/
> xl0 is rock-solid since with APIC and ACPI enabled

My guess is that the problem lies somewhere in the IRQ > 16 part of the

> NB-II, for Windows I use Samba and whatever I find a PC thrown on the street;
> but then, I dont like computer games ...

But I do! :) I see your point, and I knew beforehand that buying into nvidia
stuff wasn't a smart thing to do when you want to run FreeBSD. So I wouldn't
even have bought an nForce mainboard in the first place, if it weren't for my
friend offering me this (used for 4 months) mainboard for 55 EUR, which is
about half the new price and still lots cheaper than a new non-nForce one...


"What if everything you see is more than what you see -- the person next to
you is a warrior and the space that appears empty is a secret door to another
world? What if something appears that shouldn't? You either dismiss it, or you
accept that there is much more to the world than you think. Perhaps it really
is a doorway, and if you choose to go inside, you'll find many unexpected
		-- Shigeru Miyamoto
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