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Date:   Mon, 7 Dec 2020 12:42:53 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     Jarkko Sakkinen <jarkko@...nel.org>
Cc:     linux-integrity@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>
Subject: [Regression] Can only do S3 once after "tpm: take TPM chip power
 gating out of tpm_transmit()"

Hi Jarkko,

A user report that the system can only do S3 once. Subsequent S3 fails after commit a3fbfae82b4c ("tpm: take TPM chip power gating out of tpm_transmit()").

Dmesg with the issue, collected under 5.10-rc2:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891502/comments/14

Dmesg without the issue, collected under 5.0.0-rc8:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891502/comments/16

Full bug report here:
https://bugs.launchpad.net/bugs/1891502

Kai-Heng

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