On Wed, 16 Nov 2011, Alan McKay wrote: >> Definitely running an out of date OS won't help. Updating the kernel to >> current fixed a similar problem I'd had with no usable sensors being detected. > > Yeah, I'd really like to do that - but I've only been here a week now > and don't understand these systems well enough yet to know whether or > not that will break anything. > > Though I can probably upgrade 1 of them and let it soak for a few > weeks to see what happens. Yep. Do one (upgrading kernel and lm_sensors to current), and you might find it still can't see any sensors anyway... jh