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From: Martin Steigerwald <martin@lichtvoll.de>
To: linux-pm@vger.kernel.org, regressions@lists.linux.dev,
 linux-kernel@vger.kernel.org,
 Linux regressions mailing list <regressions@lists.linux.dev>
Subject:
 Re: [regression] 6.8.1: fails to hibernate with
 pm_runtime_force_suspend+0x0/0x120 returns -16
Date: Fri, 05 Apr 2024 14:18:18 +0200
Message-ID: <6035338.lOV4Wx5bFT@lichtvoll.de>
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Martin Steigerwald - 05.04.24, 13:54:34 CEST:
> > The plot thickens, now 6.7.12 as compared to 6.7.11 which failed
> > hibernation with busy work queues=C2=B9 and 6.7.9 + bcachefs downgrade
> > fixes
>=20
> > fails hibernation with the same error message than 6.8.1:
> [=E2=80=A6]
>=20
> > Not doing it today or probably the weekend, but now I have some
> > actionable git bisect plan without bisecting between major kernel
> > releases which as I have been told between 6.7 an 6.8-rc1 can lead to
> > non working modeset graphics on AMD Ryzen in between.
> >=20
> > It seems now I only need to git bisect between 6.7.11 and 6.7.12 to
> > find the patch that breaks hibernation on 6.8.1 as well. However
> > first I will briefly check whether 6.8.4 hibernates okay.
>=20
> 6.8.4 is still affected and fails hibernation with the same error
> message.

Also this time it is just the ThinkPad T14 AMD Gen 1 with a Lenovo USB
mouse. No second monitor, no USB hub, no nothing else attached.

Should have tested with such a minimal setup to begin with to limit the
test case to a minimum.

=2D-=20
Martin