From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Robert Hancock <hancockr@shaw.ca>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
"Brown, Len" <len.brown@intel.com>,
"Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
Subject: Re: Strange entries in /proc/acpi/thermal_zone for Thinkpad X60
Date: Thu, 12 Oct 2006 21:28:12 -0700 [thread overview]
Message-ID: <452F15DC.8080701@goop.org> (raw)
In-Reply-To: <452F0EB7.2060508@shaw.ca>
Robert Hancock wrote:
> I would expect they wouldn't, otherwise there would be no reason for
> the BIOS people to set up two thermal zones..
Ah, OK. I misunderstood what thermal zones are.
> How do you know they are one for each core? ACPI thermal zones can be
> anywhere in the machine that needs OS-controlled cooling. Could be the
> CPU heatsink, voltage regulator, or someplace else.
Right, bad assumption on my part. Is there any way to find out what
they might correspond to? /proc/acpi/ibm/thermal has a bunch of
temperature-like numbers in them; I guess there should be some
correlation between those and the thermal zones.
> I think we need more information to decide what is going on here..
> what temperatures are registering in the thermal zones when the CPU
> clock is being limited?
I'll gather a bit more info.
J
next prev parent reply other threads:[~2006-10-13 4:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.P/oAhFV0AVrh8PKSKzP+xVGih2s@ifi.uio.no>
2006-10-13 3:57 ` Strange entries in /proc/acpi/thermal_zone for Thinkpad X60 Robert Hancock
2006-10-13 4:28 ` Jeremy Fitzhardinge [this message]
2006-10-13 18:10 ` Tomasz Torcz
2006-10-12 22:19 Jeremy Fitzhardinge
2006-10-12 22:19 ` Jeremy Fitzhardinge
2006-10-13 4:53 ` Len Brown
2006-10-13 14:44 ` Pavel Machek
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