[Bug 286974] [ACPI] Thinkpad EC stops answering after suspend/resume

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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 27 May 2025 13:17:54 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286974

--- Comment #9 from Andriy Gapon <avg@FreeBSD.org> ---
I think that PC00.GFX0 message is a red herring.
Usually, that kind of name is used for a graphics device.

It would be interesting to do some differential testing.
E.g., other operating systems and other versions of FreeBSD.

It's possible that we do not clear some general purpose event (causing it to be
stuck) or do not reprogram some register after resuming from S3.

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