linux-kernel - Re: [HW PROBLEM] Intel I7 MCE. Erratum or not?

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Message-ID: <493CF472.1030502@linux.intel.com>
Date:	Mon, 08 Dec 2008 11:18:26 +0100
From:	Andi Kleen <ak@...ux.intel.com>
To:	Eric Dumazet <dada1@...mosbay.com>
CC:	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Giangiacomo Mariotti <gg.mariotti@...il.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Robert Hancock <hancockr@...w.ca>, linux-kernel@...r.kernel.org
Subject: Re: [HW PROBLEM] Intel I7 MCE. Erratum or not?


> Rings a bell here
> 
> include/linux/jiffies.h:157:#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
> 
> Could it be related to INITIAL_JIFFIES ?

Makes sense.  Probably cpu_clock() forgets to correct for that.

-Andi
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