linux-kernel - Re: High pitch noise on Acer Aspire 5602WLMi

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Date:	Mon, 6 Nov 2006 16:31:26 -0500 (EST)
From:	Daniel Barkalow <barkalow@...ervon.org>
To:	Dmitry Bohush <dmitrij.bogush@...il.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: High pitch noise on Acer Aspire 5602WLMi

On Sun, 5 Nov 2006, Dmitry Bohush wrote:

> Hello,  Probably it is one of resistors on motherboard. This noise
> goes away with adding acpi=off to boot params.
> 
> What is this? It can be fixed?

Try processor.max_cstate=3; if that doesn't work, try =2. Google for 
max_cstate will give you tons of anecdotes.

	-Daniel
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