From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753664AbeABOoG (ORCPT + 1 other); Tue, 2 Jan 2018 09:44:06 -0500 Received: from mga06.intel.com ([134.134.136.31]:19636 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751710AbeABOoE (ORCPT ); Tue, 2 Jan 2018 09:44:04 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,497,1508828400"; d="scan'208";a="163588980" Date: Tue, 2 Jan 2018 16:44:01 +0200 From: Jarkko Sakkinen To: Jason Gunthorpe Cc: kernel test robot , PrasannaKumar Muralidharan , LKML , lkp@01.org Subject: Re: [lkp-robot] [tpm] b008bd39b1: kmsg.tpm_tpm#:A_TPM_error(#)occurred_attempting_get_random Message-ID: <20180102144401.64w3foy3ztwx6ndd@linux.intel.com> References: <20171227025532.GG3172@yexl-desktop> <20171227201114.GE25436@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171227201114.GE25436@ziepe.ca> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: 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