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

Jonathan Thornburg <jthorn4...@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]" <jthorn4...@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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