Re: why does # of temperature sensors decrease in 3.11 (thinkfan config related)

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Hi Toralf,

On Sun, 11 Aug 2013 10:46:03 +0200, Toralf Förster wrote:
> I'm just wondering why the # of sensors at my ThinkPad T420 lowers from
> 3 in kernel 3.10 :
> 
> sensor /sys/devices/platform/coretemp.0/temp1_input     # physical id 0
> sensor /sys/devices/platform/coretemp.0/temp2_input     # core 0
> sensor /sys/devices/platform/coretemp.0/temp3_input     # core 1
> 
> to just one for 3.11:
> 
> /sys/class/hwmon/hwmon0/temp1_input

Most likely this is not even the same sensor. Check the value
of /sys/class/hwmon/hwmon0/name to find out what this sensor is. Could
be the graphics chip temperature readout, or an ACPI thermal zone.

> Do I miss a (new ?) kernel config ?

Output of "sensors" in both cases would help. Also make sure that your
new kernel still has CONFIG_SENSORS_CORETEMP enabled, and that the
coretemp driver is loaded if modular.

-- 
Jean Delvare

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