On Wed, Dec 27, 2017 at 10:55:32AM +0800, kernel test robot wrote: > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > > [ 5.903660] tpm_tis 00:05: 1.2 TPM (device-id 0xFE, rev-id 70) > [ 5.934271] tpm tpm0: A TPM error (7) occurred attempting to read a pcr value > [ 5.941471] tpm tpm0: TPM is disabled/deactivated (0x7) > [ 5.953053] tpm tpm0: A TPM error (7) occurred attempting get random Should the BIOS expose a disabled/deactivated TPM to the operating system? Jason