Lm-sensors

lm-sensors is a hardware-monitoring tool for linux (cf. http://www.lm-sensors.org/).

Installation

  apt-get install lm-sensors
  modprobe i2c-dev i2c-core
  # sensors-detect gives an overview which modules are required
  sensors-detect
  modprobe ...
  /etc/init.d/lm-sensors start

Usage

'sensors' displays many values, depending and varying with type. Still I get an error and a few obviously wrong values, which might cohere with missing modules. Editing the /etc/sensors.conf and changing default values or adding "ignore fanX" etc. fixes these problems.

...
w83793-i2c-0-2f
 ERROR: Can't get adapter or algorithm?!?

VCoreA:    +1.24 V  (min =  +0.92 V, max =  +1.49 V)
VCoreB:    +1.49 V  (min =  +0.92 V, max =  +1.49 V)
Vtt:       +1.21 V  (min =  +1.08 V, max =  +1.33 V)
in3:       +0.51 V  (min =  +0.38 V, max =  +0.69 V)
in4:       +1.79 V  (min =  +1.62 V, max =  +1.98 V)
+3.3V:     +3.33 V  (min =  +2.96 V, max =  +3.63 V)
+12V:     +11.71 V  (min = +10.75 V, max = +13.25 V)
+5V:       +5.14 V  (min =  +4.64 V, max =  +5.65 V)
5VSB:      +5.05 V  (min =  +4.64 V, max =  +5.65 V)
VBAT:      +3.20 V  (min =  +2.99 V, max =  +3.66 V)
fan1:        0 RPM  (min =  712 RPM)                   ALARM
fan2:     14062 RPM  (min =  712 RPM)
fan3:     13775 RPM  (min =  712 RPM)
fan4:     13917 RPM  (min =  712 RPM)
fan5:        0 RPM  (min =  712 RPM)                   ALARM
fan6:        0 RPM  (min =  712 RPM)                   ALARM
fan7:        0 RPM  (min =  712 RPM)                   ALARM
fan8:        0 RPM  (min =  712 RPM)                   ALARM
fan9:        0 RPM  (min =  712 RPM)                   ALARM
fan10:       0 RPM  (min =  712 RPM)                   ALARM
CPU1 Temp: +18.0 °C  (high = +60.0 °C, hyst = +55.0 °C)
CPU2 Temp:-108.0 °C  (high = +60.0 °C, hyst = +55.0 °C)
temp3:    -128.0 °C  (high = +60.0 °C, hyst = +55.0 °C)
temp4:    -128.0 °C  (high = +60.0 °C, hyst = +55.0 °C)
temp5:       +24 °C  (high =   +80 °C, hyst =   +75 °C)
temp6:       +23 °C  (high =   +50 °C, hyst =   +45 °C)

Logging

Use sensord for logging sensors-output. I have not found a good deamon beeing able to react on ALARMs, but a simple solution might be a script like /usr/share/doc/lm-sensors/examples/daemon/healthd.sh.