Bug#949020: linux-image-5.6.0-2-amd64: Lenovo poweroff/suspend failure

From	Faustin Lammler <faustin@fala.red>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#949020: linux-image-5.6.0-2-amd64: Lenovo poweroff/suspend failure
Date	2021-08-25 21:40 +0200
Message-ID	<CQ6UG-5AF-21@gated-at.bofh.it> (permalink)
References	<zp84F-4zh-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi!

I have the exact same problem on a fresh Debian 11 installation and a
T460s laptop.

Changing TPM from 2.0 to 1.2 in the BIOS resolves the poweroff and the
suspend issue.

Also FYI (not sure if that helps), as I did not found 949020 earlier, I
have used the following workaround on Buster + 5.10 bpo kernel
(hibernating just after booting to then be able to suspend until next
reboot):
| echo reboot >/sys/power/disk
| echo disk >/sys/power/state

As far as I can remember, I did not had the poweroff problem on Buster,
just suspend.

-- 
Faustin

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Bug#949020: linux-image-5.6.0-2-amd64: Lenovo poweroff/suspend failure Faustin Lammler <faustin@fala.red> - 2021-08-25 21:40 +0200

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