linux-kernel - Re: 2.6.22-rc1-mm1 [cannot change thermal trip points]

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Message-Id: <200705171508.40202.lenb@kernel.org>
Date:	Thu, 17 May 2007 15:08:39 -0400
From:	Len Brown <lenb@...nel.org>
To:	Maciej Rutecki <maciej.rutecki@...il.com>
Cc:	Pavel Machek <pavel@....cz>, Chuck Ebbert <cebbert@...hat.com>,
	len.brown@...el.com, Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	torvalds@...ux-foundation.org
Subject: Re: 2.6.22-rc1-mm1 [cannot change thermal trip points]

On Thursday 17 May 2007 09:36, Maciej Rutecki wrote:

> Many people need change trippoints, for example I have:
> 
> cat /proc/acpi/thermal_zone/TZ0/trip_points  | grep critical
> critical (S5):           256 C
> 
> I _must_ change it to below 105 C, or edit DSDT table (too difficult to
> me). I cannot use this kernel, when trip points are read only.

What bad things happen if you leave the critical trip point at 256?
Do you find that you can drive the temperature over 105 and
the system fails to shut down?

-Len

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