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Heard of an interesting issue today about #snmp and #lmsensors.

Some people have their computers in cold places, so cold the temperature goes below 0C.

lmsensors library returns a double, so all good does +big and -big.

But the lmsensors MIB uses a Gauge32 and that is unsigned, so in cold places people get no results or some huge positive number. net-snmp just jams a double into a unsigned int.

#linux