The problem lies in the TPM kernel module
Here's a discussion, workaround solution as well as a patch: http://us.generation-nt.com/answer/regression-suspend-fails-because-tpm-modules-help-201235252.html
The permanent workaround on ubuntu is (as root) # echo "options tpm_tis itpm=1" > /etc/modprobe.d/tpm-tis.conf
The problem lies in the TPM kernel module
Here's a discussion, workaround solution as well as a patch: us.generation- nt.com/ answer/ regression- suspend- fails-because- tpm-modules- help-201235252. html
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The permanent workaround on ubuntu is (as root) d/tpm-tis. conf
# echo "options tpm_tis itpm=1" > /etc/modprobe.