From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <a4e6962a050603055636e902ac@mail.gmail.com>
Date: Fri,  3 Jun 2005 07:56:19 -0500
From: Eric Van Hensbergen <ericvh@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] laptops
In-Reply-To: <Pine.LNX.4.58.0506022223590.3502@enigma.lanl.gov>
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	<Pine.LNX.4.58.0506022223590.3502@enigma.lanl.gov>
Cc: micah@stetsonnet.org
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On 6/2/05, Ronald G. Minnich <rminnich@lanl.gov> wrote:
> T42 is last IBM-designed T laptop, I am told. T43 is a lenovo design.
>=20
> IBM thinkpads running Plan 9 run HOT, as least mine do. They also run hot
> running Xen. Seems like ACPI really matters.
>=20
> We fixed a T23 here by cracking it open and putting good heatsink paste o=
n
> the CPU.
>=20
> Our T23 had same symptoms as yours; all went away with the re-application
> of heatsink paste. Generally, the CPUs turn themselves off before real
> damage is done (nowadays).
>=20

It should be trivial to add the simple HLT idle logic, that should
keep things cool-enough without having to mess with ACPI crap.

            -eric