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Bug#943515: linux-image-5.2.0-3-amd64: Cannot resume from suspend

Cross-posted to 2 groups.

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My Thinkpad T460s was also affected (failing to resume from a suspend if 
TPM2 is enabled), however upgrading from 1.49 --> N1CET82W (1.50 ) 
10/15/2020 seems to have solved the issue. There are references to TPM 
sleep/wake issues in the ChangeLog, but only in previous versions:

     https://download.lenovo.com/pccbbs/mobiles/n1cuj37w.txt

# uname -r
5.10.0-4-amd64

To actually use the TPM2.0 I still have to set intel_iommu=off, see:
* 
https://lore.kernel.org/lkml/26b328dc-2161-fdaa-f533-bf0027c13efc@redhat.com/
* https://bugzilla.kernel.org/show_bug.cgi?id=108251
...but I think that's a separate issue.

My Thinkpad X201s also shows similar symptoms, since Linux 5 
suspend/resume only works the first time, the second time the firmware 
crashes. In that case blacklisting the tpm module there seems to have 
worked around it. It's not going to get any more BIOS updates in this 
stage of it's life.

Cheers,

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Bug#943515: linux-image-5.2.0-3-amd64: Cannot resume from suspend Jamie Lentin <jm@lentin.co.uk> - 2021-03-19 15:40 +0100

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