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Date: Thu, 04 Dec 2008 20:42:34 +0200
From: Andriy Gapon <avg@icyb.net.ua>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: dd if=/dev/mem can hang a machine?
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BTW, I think it was related to reading memory-mapped registers intended
to put CPU into Cx states (x >= 2).

-- 
Andriy Gapon