Wednesday, September 29, 2021

Re: SOLVED Re: 6.9/amd64 runaway acpi process on Thinkpad T580

Jonathan Thornburg <jthorn4242@gmail.com> wrote:

> On 2021-09-28 14>18>49, Daniel Wilkins wrote
> > All you have to do is go into your bios' settings and turn on
> > "BIOS Thunderbolt Assist" then everything will work 100% fine.
> >
> > Thanks to jcs on IRC for pointing me at that (dunno what his
> > email is.)
>
> Success! With this (and the 7.0 snapshot I installed yesterday; dmesg
> in my message <https://marc.info/?l=openbsd-misc&m=163289489310163&w=1>)
> the problem is gone, and my T580 now does suspend/resume perfectly
> (including idling with CPU usage under 1%).
>
> A big thank-you to Daniel and to jcs (I'm guessing that's Joshua Stein,
> https://jcs.org/) for the solution, and to Theo and Mike for their
> suggestions too!

It would be great if someone figures out why "BIOS Thunderbolt Assist"
disable, causes a pin to get stuck on resume, and/or figures out how we
can recognize to handle/clear the event.

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