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From: Matthew <jackdachef@gmail.com>
To: "Len Brown" <lenb@kernel.org>
Cc: torvalds@linux-foundation.org, linux-kernel@vger.kernel.org,
	linux-acpi@vger.kernel.org
Subject: Re: Linux 2.6.25
Date: Sat, 19 Apr 2008 12:18:33 +0200	[thread overview]
Message-ID: <e85b9d30804190318u74e14f0ct6ab53cb86f6ce15f@mail.gmail.com> (raw)
In-Reply-To: <20080419061701.GA7688@cvg>

>Hello Mat,
>I'm not familiar with "coretemp", can you point me to the exact version
>of the application you are running so I can see how it is getting at
>the underlying information?

>Also, do you see any change with and without kernel built with
CONFIG_THERMAL=y?

>thanks,
>-Len

Hi Len,

sure, the apps I am using for reading out the processor's temp via
coretemp are / were:
lm_sensors: version 2.10.4, 2.10.6 and (currently) 3.0.1: all report
the same (higher) temperatures (compared to 2.6.24 series)

CONFIG_THERMAL currently is enabled in the kernel:
grep CONFIG_THERMAL /usr/src/linux/.config
CONFIG_THERMAL=y

I'll recompile the kernel now & let you know the effect in a few hours
(currently I'm working on the box)

"Dairinin" on forums.gentoo.org pointed out that the desktop-cpu
simply might not be identified correctly:
http://forums.gentoo.org/viewtopic-p-5065902.html#5065902

"Thats because new kernel (lm_sensors, etc?, etc?)incorrectly thinks
our cpu's Tj is 100C, whereas for all core 2 duo's it is 85C (100C is
for C0 stepping and above, AFAIK). Substract 15 and you'll get real
temps."

I don't know if that's the case but it sounds plausible to me

thanks everyone for your answer & help so far

Regards

Mat

  reply	other threads:[~2008-04-19 10:19 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-18 15:37 Matthew
2008-04-18 15:43 ` Linus Torvalds
2008-04-18 16:02   ` Matthew
2008-04-18 19:38   ` Cyrill Gorcunov
2008-04-18 20:03     ` Cyrill Gorcunov
2008-04-19  3:05       ` Rene Herman
2008-04-19  3:20         ` Rene Herman
2008-04-19  6:17           ` Cyrill Gorcunov
2008-04-19 10:18             ` Matthew [this message]
2008-04-19 10:22               ` Matthew
2008-04-20 12:02                 ` Matthew
2008-04-24  3:36                   ` Len Brown
2008-04-18 16:24 ` Gene Heskett
2008-04-18 16:27 ` Gene Heskett
2008-04-18 19:18 ` Bart Van Assche
2008-04-18 20:24   ` Jiri Slaby
2008-04-18 20:50     ` Rudolf Marek
2008-04-19  1:51 ` Linux 2.6.25 (coretemp reads high temperatures) Len Brown
2008-04-21 16:10   ` Thomas Bächler
2008-04-21 16:28     ` Matthew
2008-04-21 17:07       ` Fwd: " Matthew
2008-04-22  9:26         ` Matthew
2008-04-23  8:43   ` Maxim Levitsky
2008-04-28 18:19     ` Kasper Sandberg
2008-04-29 13:07       ` Thomas Renninger
2008-04-29 15:08         ` Jean Delvare
2008-04-29 22:14           ` Rudolf Marek
2008-04-29 22:58             ` Matthew
2008-04-30  6:10               ` Jean Delvare
2008-04-30 14:46                 ` Henrique de Moraes Holschuh
2008-04-30 14:50                   ` Rudolf Marek
2008-04-30 15:18                     ` Jean Delvare
2008-05-02 20:35                   ` Pavel Machek
2008-04-30  0:11             ` Kasper Sandberg
2008-04-30  6:20               ` Jean Delvare
2008-04-30 14:51                 ` Henrique de Moraes Holschuh
2008-04-30 15:28                   ` Jean Delvare
2008-05-02 20:36                   ` Pavel Machek
2008-05-04 17:42                     ` Henrique de Moraes Holschuh
2008-05-05 13:45                       ` Pavel Machek
2008-05-02 20:35             ` Pavel Machek
  -- strict thread matches above, loose matches on Subject: below --
2008-04-17  3:32 Linux 2.6.25 Linus Torvalds
2008-04-17  4:22 ` david
2008-04-17 18:56   ` Rafael J. Wysocki

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