Acer Aspire 8930G laptop and general approach for reverse engineering sensors

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Running lm-sensors on Ubuntu 12.04 on an Acer Aspire 8930G laptop and I see:

% sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:        +38.0°C  (crit = +106.0°C)
temp2:        +48.0°C  (crit = +106.0°C)
temp3:        +48.0°C  (crit = +106.0°C)
temp4:        +43.0°C  (crit = +106.0°C)

nouveau-pci-0100
Adapter: PCI adapter
temp1:        +49.0°C  (high = +100.0°C, crit = +110.0°C)

coretemp-isa-0000
Adapter: ISA adapter
Core 0:       +33.0°C  (high = +105.0°C, crit = +105.0°C)
Core 1:       +33.0°C  (high = +105.0°C, crit = +105.0°C)

I'd like to figure out proper labels for these. The two coretemp sensors (if
working) are obvious, and nouveau I'd assume is the GPU temp. The rest from
acpitz-virtual-0 are less clear. They approximately map out the same
pattern, tracking system loading, with slightly different scaling factors.

I didn't see any guidance in the FAQ on a general approach to reverse
engineering the labeling for sensors. There must be a recommended approach
for this.

I did see in the FAQ that there is no database of configurations per
motherboard/laptop, but I would expect that with all the temperature
monitoring utilities for Windows, one or more of them likely has bundled
configuration files that can be used as a reference. (If so, this sort of
aggregated factual information could even be bulk converted to sensors.conf
format legally.)

 -Tom



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