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Date: Thu, 23 Sep 2010 20:21:12 +0200
From: Paolo Ornati <ornati@gmail.com>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Vasily Khoruzhick <anarsoul@gmail.com>,
        Simon Farnsworth <simon.farnsworth@onelan.co.uk>,
        intel-gfx@lists.freedesktop.org, Sitsofe Wheeler <sitsofe@yahoo.com>,
        Venkatesh Pallipadi <venki@google.com>,
        Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org
Subject: Re: [Intel-gfx] Interrupt latency on some 945GM platforms
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On Tue, 21 Sep 2010 15:56:53 -0700
Jesse Barnes <jbarnes@virtuousgeek.org> wrote:

> Can you guys try something like this?  My theory is that 945GM has some
> power management behavior we're failing to configure correctly.  If
> disabling it works, then it's likely related.

"processor.max_cstate=1" solves the problem too, tomorrow (it takes time
to be sure the problem is gone) I'll run with "processor.max_cstate=2"
and then I'll try with the patch alone.

-- 
	Paolo Ornati
	Linux 2.6.35.4 on x86_64