From owner-freebsd-stable@FreeBSD.ORG  Wed Aug 25 15:02:42 2010
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Date: Wed, 25 Aug 2010 18:02:39 +0300
From: Andriy Gapon <avg@icyb.net.ua>
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To: John Baldwin <jhb@freebsd.org>
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Cc: freebsd-stable@freebsd.org, Dan Langille <dan@langille.org>
Subject: Re: kernel MCA messages
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on 25/08/2010 15:23 John Baldwin said the following:
> That is because machine checks for corrected errors have to be polled and the 
> kernel polls once an hour.  On newer Intel CPUs (such as Nehalem) there is a 
> separate interrupt (CMCI) that can fire for corrected errors.

I think that on AMD it's possible to configure an interrupt for Bank 4 events as
well (perhaps other banks too), but I need to refresh my memory of BKDG.

-- 
Andriy Gapon