sensors returning a bogus temperature reading

[Lars Noodén]

The value for Tm0P is bogus. If it is not a real sensor, then it should not be listed. If it is a real sensor, then it should show the real temperature, not a bogus value.

$ sensors
nouveau-pci-0200
Adapter: PCI adapter
temp1: +73.0°C (high = +100.0°C, crit = +100.0°C)

applesmc-isa-0300
Adapter: ISA adapter
Master : 1493 RPM (min = 1500 RPM)
TC0D: +49.5°C
TC0H: +49.2°C
TC0P: +48.2°C
TH0P: +48.8°C
TN0D: +72.8°C
TN0P: +58.5°C
TW0P: +56.8°C
Tm0P: +128.0°C

$ lsb_release -rd
Description: Ubuntu 11.10
Release: 11.10

~$ apt-cache policy lm-sensors
lm-sensors:
  Installed: 1:3.3.0-4ubuntu1
  Candidate: 1:3.3.0-4ubuntu1
  Version table:
 *** 1:3.3.0-4ubuntu1 0
        500 http://fi.archive.ubuntu.com/ubuntu/ oneiric/universe i386 Packages
        100 /var/lib/dpkg/status

[Serge Hallyn (serge-hallyn)]

Thanks for taking the time to report this bug.

This appears to be affecting others, i.e. http://ubuntuforums.org/archive/index.php/t-1785238.html, https://bbs.archlinux.org/viewtopic.php?pid=923434 and https://bbs.archlinux.org/viewtopic.php?pid=568168, so I'm marking this confirmed.

[Phillip Susi (psusi)]

Unfortunately, lm-sensors has no way of knowing whether or not your particular motherboard has the sensor properly wired. If you wish to hide sensors that your motherboard does not correctly use, then you can edit /etc/sensors3.conf. See man sensors.conf.