linux-kernel - Re: [PATCH] intel_ips: quieten "power or thermal limit exceeded" messages

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Date:	Mon, 30 Aug 2010 18:42:55 -0300
From:	Cesar Eduardo Barros <cesarb@...arb.net>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
CC:	Henrique de Moraes Holschuh <hmh@....eng.br>,
	Joe Perches <joe@...ches.com>,
	Matthew Garrett <mjg@...hat.com>,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] intel_ips: quieten "power or thermal limit exceeded"
 messages

Em 30-08-2010 13:29, Jesse Barnes escreveu:
> It's possible that the main issue here is bad thermal limits.  There's
> obviously a relationship between power and thermal output, but the
> driver tries to monitor both.  However it's up to the BIOS to provide
> the driver with accurate thermal limits, as well as accurate power
> limits.  The power limits sound reasonable at 25W, thus the
> informational output about 35W vs 25W (35W is what the MCP can handle,
> but some platforms are designed to handle less, so they clamp it down a
> bit).  But the temp limits look all wrong.  I'll see if I can find info
> on getting better data into the driver...

If you need more information from this laptop (dmidecode, ACPI AML, 
etc), just ask.

-- 
Cesar Eduardo Barros
cesarb@...arb.net
cesar.barros@...il.com
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