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Message-ID: <20171227201114.GE25436@ziepe.ca>
Date:   Wed, 27 Dec 2017 13:11:14 -0700
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     kernel test robot <xiaolong.ye@...el.com>
Cc:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: Re: [lkp-robot] [tpm]  b008bd39b1:
 kmsg.tpm_tpm#:A_TPM_error(#)occurred_attempting_get_random

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

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