Groups > linux.debian.bugs.dist > #993109

Bug#939170: linux: does not suspend completely, locks up

From	Felix Rublack <frubi@frubi.net>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#939170: linux: does not suspend completely, locks up
Date	2020-01-26 18:20 +0100
Message-ID	<zsTJL-2eW-7@gated-at.bofh.it> (permalink)
References	<yBHiy-63X-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi everyone,

I have the same issue on a ThinkPad T460s (suspend works only half way,
reboot and poweroff stop just short before actual shutdown).

I bisected the problem to the TPM driver. Blacklisting the module in
modprobe.d fixed the problem for me.

Sample configuration: /etc/modprobe.d/blacklist-tpm.conf

# Prevent TPM from loading. It breaks suspend and power cycle.
blacklist tpm
blacklist tpm_crb
blacklist tpm_tis
blacklist tpm_tis_core

Greetings
Felix Rublack

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Bug#939170: linux: does not suspend completely, locks up Felix Rublack <frubi@frubi.net> - 2020-01-26 18:20 +0100

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