From owner-freebsd-ppc@FreeBSD.ORG  Wed Jan 16 01:52:30 2013
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Date: Tue, 15 Jan 2013 20:52:24 -0500
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Subject: Re: FreeBSD 9.1 freezes randomly on G5
From: Michael Copeland <michael@kryptos-security.com>
To: matt <sendtomatt@gmail.com>
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Those of you that saw my posts from a few months ago regarding the same
machine as the one in question, I had the same issues he is having. The
fans would go full blast, the system would hang without any form of console
message. It all stopped when I ran the pmu/smu/fan script that some people
in this mailing list have used. So I'm thinking it is definitely an issue
with the smu driver or the smu itself on this machine.