linux-kernel - Re: [lkp-robot] [tpm] b008bd39b1: kmsg.tpm_tpm#:A_TPM_error(#)occurred_attempting_get

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20180102144401.64w3foy3ztwx6ndd@linux.intel.com>
Date:   Tue, 2 Jan 2018 16:44:01 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Jason Gunthorpe <jgg@...pe.ca>
Cc:     kernel test robot <xiaolong.ye@...el.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 01:11:14PM -0700, Jason Gunthorpe wrote:
> 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

Nope.

/Jarkko