Comment # 18 on bug 1013563 from Takashi Iwai

(In reply to Fabian Vogt from comment #17)
> I vaguely remember some report(s) about thermald actually causing the device
> to overheat and do a hard shutdown. That's not too unlikely, considering its
> main purpose is to avoid throttling the CPU harder than necessary when the
> thermal limit is approached/reached.
> 
> The thermal limit shouldn't be reached under normal circumstances (like
> "browsing+ssh" in the original comment), and so thermald shouldn't be
> absolutely necessary with a properly designed cooling solution.
> Unfortunately many laptops do not have one, so thermald has a noticable
> impact on performance on those. However, that comes at a cost: The device
> will run hotter.

Yes.  It's good to give users a choice :)

> Any opinions about this?
> 
> Supplements:    (modalias(cpu:type%3Ax86*ven0000*) if kernel)

I guess this would work as a first shot, that's similar to ucode-intel.

> While there are more specific modaliases which could be used here (like some
> intel specific ACPI platform devices), those may change in the future and
> then the supplements would silently not work anymore.

Agreed.

> Ideally it only matches physical hardware, but I don't think we have any
> capability for that (yet).

And, thermald won't be enabled / activated by the package installation alone,
right?