Re: Can't control Dell laptop fan anymore

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On Wed, Dec 2, 2020 at 12:57 PM Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote:
On Wed, Dec 2, 2020 at 9:39 AM Fulko Hew <fulko.hew@xxxxxxxxx> wrote:
>
> It's been a bad week for me.
> First my disk drive died, and now I've replaced it
> and installed F33 (up from F26)
>
> After running it for a while it started running flaky,
> I hadn't installed gkrellm yet.
> When I did, I noticed that it was reporting a fan speed of 0 RPM.
> True, it wasn't spinning. Maybe it was overheating that that's why it was getting flaky.
>
> [I ran the Dell BIOS hardware test routines, and they spun up the
>  fan and reported no errors.]
>
> So I know the fan works, and presumably thats why the hw test
> spun it up and spun it down again.
> What I'd like to do is to manually control the fan and look at it's
> sensor directly (like the Dell hw test does), but I don't know how.
>
> Laptop is a Dell Inspiron 5567.
> I'm not sure where to go next.
> Thanks
>
> Here's a snippet from running 'sensors':
>
> $ sensors
> dell_smm-virtual-0
> Adapter: Virtual device
> Processor Fan:    0 RPM
> CPU:            +36.0°C
> Ambient:        +34.0°C
> SODIMM:         +34.0°C
> GPU:            +30.0°C
> ...

Quite a lot of thermal management is split up into different areas:
CPU itself, ACPI, logic board firmware, kernel, and user space.

I suggest making sure the logic board firmware is up to date as a first step.

sensors isn't a default package. New in Fedora 33, thermald is
installed and enabled by default.

I have run out of things to try, so I started to pursue the thermald issue.

You say it's part of F33:
- and yet it is not part of the KDE spin.
- so I installed both thermald and thermald_monitor
- installing thermald doesn't start the service, so I started it manually
- installing thermald didn't create its config file,  looking at it's man page
  I looked for possible config files... there are none.
- The man page talk about a config file generator tool called dptfxtract
  Also not part of those packages! and so not installed.

  Following the man page leads me to a reference to github, where it tells
  you, you also need acpidump. (I found that in package acpica-tools, downloaded it
  and ran it as per those instructions, but I'm still stopped by the missing dptfxtract.)

So, I can't see how thermald is part of F33.

Fulko



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