What is the normal fan usage in Ubuntu?

Which system do you use? Android, Ubuntu, OOWOW or others?

Ubuntu 22.04 minimal install on top of which I installed a minimal Gnome desktop

Which version of system do you use? Khadas official images, self built images, or others?


Please describe your issue below:

Fan usage seems to be a bit higher than expectations for an arm64 CPU
I am using the Edge 2 Pro which comes with case

Post a console log of your issue below:


Hello @codrut, Welcome to the community!

The Edge 2 does get a little warm under basic load, the chip does have a relatively higher TDP compared to other ARM64 SoCs. ~12W compared to ~5-6W on the A311D of the VIM3. So it is normal to see the fan turn on a little early, but it is nothing out of the normal.

The provisioned cooling system is most capable of handling it at high system usage, I’ve tried stress testing it before, and it doesn’t go past 72-76C. so it doesn’t throttle either.

hope that solves your query


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Thanks for replying. The only thing that is annoying is the fan noise. I will remove the case an try with this fan:
It’s 40x40 mm instead of 37x47 mm but maybe it will work.

@codrut I would recommend setting your fan to medium speed level, or you could write a small shell script and a systemd service to turn on the fan but limit the speed to the medium setting, giving you flexibility of being silent when idle and not too loud when under load.