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Date:	Wed, 15 Sep 2010 13:20:00 -0600
From:	Tim Gardner <tim.gardner@...onical.com>
To:	jbarnes@...tuousgeek.org
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: MCP limit log messages, 2.6.36-rc4

On 09/15/2010 11:47 AM, Tim Gardner wrote:
> I've been getting regular MCP limit log messages on a Dell Studio 1458
> (i5 CPU) with an A02 BIOS. With the attached debug hack it prints the
> following values:
>
> [ 33.605098] intel ips 0000:00:1f.6: MCP limit exceeded: Avg power
> 30123, limit 1023
> [ 38.597998] intel ips 0000:00:1f.6: MCP limit exceeded: Avg power
> 21697, limit 1023
> [ 43.590917] intel ips 0000:00:1f.6: MCP limit exceeded: Avg power
> 15390, limit 1023
> [ 48.583821] intel ips 0000:00:1f.6: MCP limit exceeded: Avg power
> 43370, limit 1023
> [ 53.576740] intel ips 0000:00:1f.6: MCP limit exceeded: Avg power
> 64728, limit 1023
>
> This is an idle machine which starts printing these messages about 30
> seconds after boot. Any thoughts?
>
> rtg

More clues:

[   13.426064] intel ips 0000:00:1f.6: Warning: CPU TDP doesn't match 
expected value (found 25, expected 35)
[   13.426086] intel ips 0000:00:1f.6: PCI INT C -> GSI 18 (level, low) 
-> IRQ 18
[   13.426933] intel ips 0000:00:1f.6: IPS driver initialized, MCP temp 
limit 95

-- 
Tim Gardner tim.gardner@...onical.com
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