Wednesday, September 29, 2021

Re: 6.9/amd64 runaway acpi process on Thinkpad T580

On Wed, Sep 29, 2021 at 06:29:08PM -0700, Mike Larkin wrote:
> On Wed, Sep 29, 2021 at 08:44:54PM -0400, David Anthony wrote:
> > After enabling "BIOS Thunderbolt Assist", I experience consistent machine
> > slowdown on my T480. Previously, I experienced slowdown after power cycling
> > my machine occasionally. Currently, with this BIOS setting enabled, I
> > experience slowdown consistently.
> >
> > I am sorry but I don't know enough technically as to discern why. I am
> > simply reporting my user experience. I will re-disable the Thunderbolt
> > assist for now.
> >
>
> If someone would build an ACPI_DEBUG kernel and show us what GPE is stuck
> then we can make forward progress (we need an acpidump of that machine
> also).
>
> Otherwise, its like throwing darts in the dark.
>
> -ml

I could give it a shot. Do you want all three possible states for the
dumps? (disabled, working. Disabled, looped acpi0. Enabled, working.)

It probably won't be until tomorrow since it's already pretty late,
though.

Danny

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