Tuesday, September 28, 2021

Re: 6.9/amd64 runaway acpi process on Thinkpad T580

BTW, BIOS update has fixed interrupts issues like this in a surprising
number of cases. No promises, tho.

Jonathan Thornburg <jthorn4242@gmail.com> wrote:

> After more experimentation, I find that the runaway ACPI process occurs
> every time I suspend/resume (Fn-backspace). (The system resumes fine
> apart from the runaway ACPI process.)
>
> Is there any to kill or reset the kernel ACPI process short of rebooting?
> /ps/ doen't see it, and /pkill/ (even /pkill -9/) has no effect.
>
> I will try compiling a custom kernel with ACPITHINKPAD_DEBUG defined
> in /usr/src/sys/dev/acpi/acpithinkpad.c and see if that prints anything
> interesting. Are there any other particularly useful debugging things
> I should explore to help track down the problem?
>
> --
> -- "Jonathan Thornburg [remove color- to reply]" <jthorn4242@pink-gmail.com>
> on the west coast of Canada, eh?
> "There was of course no way of knowing whether you were being watched
> at any given moment. How often, or on what system, the Thought Police
> plugged in on any individual wire was guesswork. It was even conceivable
> that they watched everybody all the time." -- George Orwell, "1984"
>

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