FYI, we noticed the following commit:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 0c541332231e7957f23013e37f3720db33e7804c ("tpm: use tpm_pcr_read_dev() in tpm_do_selftest()")

in testcase: tcrypt
with following parameters:

	period: 2s
	modes: 500-504




on test machine: 4 threads Intel(R) Atom(TM) CPU C2730 @ 1.70GHz with 8G memory

caused below changes:

kern  :info  : [    5.417262] tpm_tis 00:05: 1.2 TPM (device-id 0x0, rev-id 78)
kern  :err   : [    5.472287] tpm tpm0: A TPM error (6) occurred attempting to read a pcr value
kern  :err   : [    5.480421] tpm tpm0: TPM self test failed
kern  :warn  : [    5.485162] tpm_tis: probe of 00:05 failed with error -14


To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Xiaolong