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List Archive: gentoo-laptop
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To: gentoo-laptop@g.o
From: "Marco Calviani" <marco.calviani@...>
Subject: Re: Problem with CPU temperature (Santa Rosa CPU)
Date: Wed, 10 Oct 2007 09:26:47 +0200
Hi Beso,
    actually i'm getting this error:

cat /proc/acpi/thermal_zone/TZ01/polling_frequency
<polling disabled>

cat /proc/acpi/thermal_zone/TZ01/cooling_mode
<setting not supported>

m

On 10/9/07, Beso <givemesugarr@...> wrote:
> your thermal doesn't poll.... make it poll like this:
> echo "2 seconds" >
> /proc/acpi/thermal_zone/THRM/polling_frequency
> or wichever thermal zone is in /proc/acpi/thermal_zone. then verify your
> trip points in the same THRM directory but in the file trip_points. you
> should see something like this:
> critical (S5):           105 C
> passive:                 76 C: tc1=3 tc2=1 tsp=150 devices=CPU0
> active[0]:               67 C: devices= FN1
> active[1]:               57 C: devices= FN2
>
> in the eg passive means that your cpu is downclocked since it has passed 76
> degrees C
> active [0] means that your fan is triggered to on
> active[1] means that the fan is not triggered and it is shut down.
> the critical point is when the system shuts down.
> if the polling_frequency tweak doesn't work then you have another problem
> (eg i had to compile the fan and thermal module included in kernel since
> modprobing them would not start the fan). if it works copy the tweak command
> and put it in some init script (i put it at the start of /etc/init.d/xdm so
> that i'm sure it loads after acpi, since that file doesn't exists without
> acpi loaded).
> then try installing kima if you're using kde and add the kima kmenu applet
> to monitor some things. you should be able to see that the processor hardly
> passes 60 degrees while thermal goes high till the passive point and over;
> if you monitor also the cpu load and freq you should be able to see how your
> processors reacts to programs. remember to also install the klaptopdaemon
> since is quite useful in controlling the cpufreq_utils governors and acpi
> settings. try also the laptop_mode-tools and see if they can help you have a
> better use for your disk. the last thing that you can also install is the
> hddtemp for monitoring your disk temperature.
>
> 2007/10/9, Marco Calviani <marco.calviani@...>:
> >
> > Hi list,
> >    i have a Santa Rosa (Core 2 Duo T7300) Acer AS5720 laptop, and i'm
> > getting problems with the temperature of the CPU. In particular i'm
> > using the coretemp module for determining the core temperature.
> > Normally (using cpufreqd and the "ondemand" governor) the CPU stays at
> > nearly 50C  (which i think is quite high since in windows , using Core
> > Temp it gives about 30C).
> > While compiling this increases up to 95-100C (after which it shuts
> > down). The problem is that the fan is not spinning up at all!
> > What can be the cause of this behaviour? consider that i'm using an up
> > to date system with gentoo-sources-2.6.22-r8.
> >
> > Any help appreciated,
> > Regards,
> > Marco
> > --
> > gentoo-laptop@g.o mailing list
> >
> >
>
>
>
> --
> dott. ing. beso
-- 
gentoo-laptop@g.o mailing list


Replies:
Re: Problem with CPU temperature (Santa Rosa CPU)
-- dexter
References:
Problem with CPU temperature (Santa Rosa CPU)
-- Marco Calviani
Re: Problem with CPU temperature (Santa Rosa CPU)
-- Beso
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Updated Jun 17, 2009

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