[Bug 255745] resume on T490 Thinkpad often broken after upgrade 12 -> 13

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 09 Jul 2021 18:10:31 UTC

Jan Schreiber <jan@mecinus.com> changed:

           What    |Removed                     |Added
                 CC|                            |jan@mecinus.com

--- Comment #16 from Jan Schreiber <jan@mecinus.com> ---
I ran into the same issue with my ThinkPad x250. Resume always worked with
12.2. On FreeBSD 13, resume seems not to work when the uptime is more than a
couple of hours. Sleep time does not seem to make any difference.

I'm running drm-fbsd13-kmod-5.4.92.g20210419 and 13.0-RELEASE-p1. I also set
hw.usb.no_suspend_wait=1 as suggested here:
Makes no difference.

Have you guys found any fix other than downgrading to 12.2? Or any ideas on how
to debug this problem? Or does anybody know where to find the code that handles

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