Fan seems to not be spinning up when needed

Which Linux distro are you using? Ubuntu

Which release version? 24.04

Which kernel are you using?

Linux chopper 6.8.0-52-generic #53-Ubuntu SMP PREEMPT_DYNAMIC Sat Jan 11 00:06:25 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

Which BIOS version are you using? 3.05

Which Framework Laptop 13 model are you using? AMD Ryzen™ 7840U

This happened to me yesterday and again today - something weird caused one process (cups-browsed) to spike to 100% of one CPU and reach 100C and start throttling, to the point where the GUI was completely unresponsive, but the fans would not ramp up sufficiently to cool the CPU. I just disabled the cups-browsed service but it seems like even so, if I do something like run yes to spike CPU usage, the fans will only turn on at a low speed while the temperature climbs. Has anyone else experienced this, and is there any possible fix? I see that there is a third party GitHub - TamtamHero/fw-fanctrl: A simple systemd service to better control Framework Laptop's fan(s) app for modifying the fan speed curves, but I feel like that shouldn’t be necessary to cool the laptop to an acceptable operating temperature where it doesn’t throttle itself to death.

Edit: I tried s-tui and it did turn the fan on pretty well when I stressed the CPU to 100%. I feel like maybe in the previous instance, it was only maxing one core and maybe that had something to do with why the fan wasn’t ramping up, but I don’t really understand it because the CPU temperature was at 100C so it should have been ramping up based on that alone.

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