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Date: Tue, 21 Sep 2010 20:26:07 +0200
From: Paolo Ornati <ornati@gmail.com>
To: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>,
        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 Fri, 17 Sep 2010 15:50:43 +0300
Vasily Khoruzhick <anarsoul@gmail.com> wrote:

> > Vasily, can you try the qos workaround on your machine and see if it works
> > too?
> > 
> > Thanks,  
> 
> Just give me a patch :)

Me too...

I've a laptop with 945GM (Asus x5dij) and with 2.6.32+ kernels I'm
having random, but not frequent, screen flickering problems (for some
reasons 2.6.31 works fine).

Problem goes away with "nohz=off".

I'll try with "processor.max_cstate=?" and see if that works too.

Bye,

-- 
	Paolo Ornati
	Linux 2.6.35.4 on x86_64