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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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