On 2014-11-14 18:56, Gregor Best wrote:

("93C" is just a typical value, I've seen any between 92 and 98). I
usually have just the time to log in before the system logs me out and
shuts down. This laptop normally runs at around 80??C, and I think the
temperature reading in OpenBSD is correct, because I get similar
warnings
and temperature values when I reboot immediately into another OS.
[...]

So running on another OS for a longer time has the temperature of your
laptop staying at around 80C? That sounds awfully high. Maybe you just need to clean out the fans and airways inside the laptop and the timing is just
a coincidence.

Just make sure the fan does not turn (by blocking it with a toothpick or
the like) when blowing compressed air through the case or vacuuming out
dustbunnies so the bearing does not get damaged.

Thanks everybody for the feedback and advices. I think it's fair to conclude my machine has a unique problem not related to the model (I bought it as a used machine, maybe the previous owner messed something). I'm still surprised by the 20°C difference between OpenBSD and Linux, and by the fact it was apparently working fine on 5.4.

I'll see how much I can clean it up/change the paste before trying anything else.

Cheers!

--
Étienne

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