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Date:      Wed, 25 Aug 2010 18:02:39 +0300
From:      Andriy Gapon <avg@icyb.net.ua>
To:        John Baldwin <jhb@freebsd.org>
Cc:        freebsd-stable@freebsd.org, Dan Langille <dan@langille.org>
Subject:   Re: kernel MCA messages
Message-ID:  <4C75308F.3080504@icyb.net.ua>
In-Reply-To: <201008250823.11954.jhb@freebsd.org>
References:  <4C71CC62.6060803@langille.org> <4C745213.3050004@langille.org> <201008250823.11954.jhb@freebsd.org>

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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



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