I confirm the problem on Impish (21.10), and didn't have it on 21.04.
While I have indeed Turbo Boost turned off, it shouldn't behave like
that for two reasonsĀ :

- The message is false, there is no temperature problem.
- On CPUs with hardware-driven P-states (HWP) on, the performance mode of the 
control panel sets the Energy Performance Preference (EPP) of the CPU to high 
performance. While maybe not very useful, it's still possible technically to 
have Turbo Boost off and EPP set to high performance, and I don't see why it 
shouldn't be possible through Gnome.

I suspect Gnome checks the "no turbo" flag as a thermal trip indicator,
which it is not.

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https://bugs.launchpad.net/bugs/1942616

Title:
  Settings Power says high hardware temperature

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