Checking CPU temperature
Paul Smith
phhs80 at gmail.com
Wed Jun 11 19:54:10 UTC 2008
On Wed, Jun 11, 2008 at 8:45 PM, Patrick O'Callaghan
<pocallaghan at gmail.com> wrote:
> On Wed, 2008-06-11 at 18:50 +0100, Paul Smith wrote:
>> On Wed, Jun 11, 2008 at 5:10 PM, Patrick O'Callaghan
>> <pocallaghan at gmail.com> wrote:
>> >> >>> I have just installed acpi with
>> >> >>>
>> >> >>> yum install acpi
>> >> >>>
>> >> >>> but
>> >> >>>
>> >> >>> # cat /proc/acpi/thermal_zone/THRM/temperature
>> >> >>> cat: /proc/acpi/thermal_zone/THRM/temperature: No such file or directory
>> >> >>> # dir /proc/acpi/thermal_zone
>> >> >>> #
>> >> >> Did you start it?
>> >> >
>> >> > No. How can I start it? I have tried
>> >> >
>> >> > # /sbin/services/acpi start
>> >> > bash: /sbin/services/acpi: No such file or directory
>> >> > #
>> >> >
>> >>
>> >> /sbin/service acpid start
>> >
>> > If I might butt in here: I have acpid installed and running and I get
>> > the same error as the OP. There is nothing in
>> > the /proc/acpi/thermal_zone pseudo-directory. This is on an Intel 965
>> > motherboard with a Core 2 Dual cpu.
>> >
>> > OTOH I have installed 'sensors' and 'coretemp' (required for Intel dual
>> > cores AFAIK), and they work. Also KSensors under KDE (gkrellm also
>> > works).
>> >
>> > Note that you need to run 'sensors -l' as root to set things up.
>>
>> Thanks, Patrick. How did you install coretemp? I do have also a dual
>> core with (I guess) the same motherboard.
>
> Correction, most of what I said was wrong in detail, but the basic
> message is still correct :-)
>
> 1) In F9 coretemp now comes with the kernel (in FC8 I remember
> downloading and installing it separately).
>
> 2) The package you need is lm_sensors.
>
> 3) You need to run sensors-detect (as root) to set it up. This isn't
> automatic because the config script is interactive (some of the probes
> can potentially crash your system).
>
> Sorry about the confusion.
>
> poc
>
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Thanks, Patrick. With 'sensors-detect', I get the following:
Some CPUs or memory controllers may also contain embedded sensors.
Do you want to scan for them? (YES/no):
AMD K8 thermal sensors... No
AMD K10 thermal sensors... No
Intel Core family thermal sensor... No
Intel AMB FB-DIMM thermal sensor... No
And yet:
$ sensors
it8712-isa-0290
Adapter: ISA adapter
VCore 1: +1.26 V (min = +0.00 V, max = +4.08 V)
VCore 2: +1.81 V (min = +0.00 V, max = +4.08 V)
+3.3V: +3.36 V (min = +0.00 V, max = +4.08 V)
+5V: +6.85 V (min = +0.00 V, max = +6.85 V) ALARM
+12V: +11.78 V (min = +0.00 V, max = +16.32 V)
-12V: -7.11 V (min = -27.36 V, max = +3.93 V)
-5V: -4.84 V (min = -13.64 V, max = +4.03 V)
Stdby: +6.85 V (min = +0.00 V, max = +6.85 V) ALARM
VBat: +4.08 V
fan1: 1577 RPM (min = 0 RPM, div = 8)
fan2: 0 RPM (min = 0 RPM, div = 8)
fan3: 0 RPM (min = 0 RPM, div = 8)
M/B Temp: -55.0°C (low = +127.0°C, high = +127.0°C) sensor = transistor
CPU Temp: -2.0°C (low = +127.0°C, high = +127.0°C) sensor = transistor
Temp3: +49.0°C (low = +127.0°C, high = +90.0°C) sensor = thermal diode
cpu0_vid: +1.350 V
$
Cannot get the CPU temperature.
Paul
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