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Date: Mon, 27 Jan 2003 21:11:37 +0100
To: Zwane Mwaikambo <zwane@holomorphy.com>
From: Mike Galbraith <efault@gmx.de>
Subject: Re: 2.5.59-mm6
Cc: Luuk van der Duim <l.a.van.der.duim@student.rug.nl>,
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At 02:17 PM 1/27/2003 -0500, Zwane Mwaikambo wrote:
>On Mon, 27 Jan 2003, Mike Galbraith wrote:
>
> > (something seems funky with nmi_watchdog... hard lock = no_more_nmi_ticks
> > .  Anybody out there know enough about local APIC to explain why idle=poll
> > gives nice 1 second nmi, but everything else depends upon cpu load?... and
> > why when hardlock happens, it _stops_)
>
>Because we base the performance counter on unhalted cycles, whilst the
>normal idle function does an hlt. I think the K7 can do halted too.

(well bugger, I _know_ I'm gonna regret this;)

When can the darn thing actually trigger an oops?

         -Mike

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