[Bug 283113] Lenovo Thinkpad T14s Gen4 AMD does not power off on shutdown

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 283113] Lenovo Thinkpad T14s Gen4 AMD does not power off on shutdown"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 06 Dec 2024 16:37:58 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283113

Mark Johnston <markj@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |markj@FreeBSD.org
             Status|New                         |Open

--- Comment #1 from Mark Johnston <markj@FreeBSD.org> ---
Is this a regression relative to a previous release?

Do you happen to know if Linux has similar problems on this hardware?

One thing you might try is booting a MINIMAL kernel and seeing whether that's
able to shut down properly.  When trying this, make sure to configure
devmatch_enable="NO" to prevent drivers from being loaded automatically.

Are you using any drm modules, such as amdgpu?  If you just boot to a login
prompt without loading drm kmods, then shut down, is it successful?

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