From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 702A221A1349C for ; Thu, 18 May 2017 08:14:03 -0700 (PDT) Received: from pure.maildistiller.com (unknown [10.110.50.29]) by dispatch1-us1.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTP id CB435600ED; Thu, 18 May 2017 15:14:02 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mx2-us3.ppe-hosted.com (unknown [10.110.49.251]) by pure.maildistiller.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 5286560051; Thu, 18 May 2017 15:14:02 +0000 (UTC) Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2-us3.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 0B4A46006F; Thu, 18 May 2017 15:14:01 +0000 (UTC) Received: from tp-desktop.uk.solarflarecom.com (10.17.20.51) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Thu, 18 May 2017 16:13:56 +0100 To: CC: References: <1548dc48-890d-29e0-0bdc-5df3ce545e5b@solarflare.com> From: "Tomas Pilar (tpilar)" Message-ID: <83202bed-050e-cf5d-a3f3-13b8a83ad739@solarflare.com> Date: Thu, 18 May 2017 16:13:51 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [10.17.20.51] X-ClientProxiedBy: ocex03.SolarFlarecom.com (10.20.40.36) To ukex01.SolarFlarecom.com (10.17.10.4) X-TM-AS-Product-Ver: SMEX-11.0.0.1191-8.100.1062-23076.003 X-TM-AS-Result: No--12.487500-0.000000-31 X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-MDID: 1495120442-w8bIbum+7NF2 Subject: Re: SMBios configuration table not present until late stage of boot X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 May 2017 15:14:03 -0000 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US This does make sense. Do you have a suggestion how I would go about finding/creating a unique identifier for the system during preboot? Cheers, Tom On 18/05/17 16:11, Jim.Dailey@dell.com wrote: > Not a helpful comment, but I wanted to air my feelings on the topic: > > I view SMBIOS as data strictly for OS-level consumption and not for > any pre-boot code. I'm sure I'm in the minority, however. > > One of the problems is that the BIOS needs to have scanned all > devices/resources and perhaps executed a connect all before the > tables can be generated (or at least completed). > > Regards, > Jim > > -----Original Message----- > From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Tomas Pilar (tpilar) > Sent: Thursday, May 18, 2017 10:01 AM > To: edk2-devel@lists.01.org > Subject: [edk2] SMBios configuration table not present until late stage of boot > > Hi, > > I am trying to read the system UUID from the System Table (Type 1) in > the SMBios set of tables. I am doing this during DriverBinding.Start() > part of the UEFI_DRIVER initialisation. Unfortunately the > gST->ConfigurationTable only contains 6 tables and SMBios is not one of > them. > > Once I boot into UEFI shell or start a PXE booting process, the > gST->ConfigurationTable now contains 8 tables and SMBios is one of the > two new tables. If I however only boot to a HDD, this never seems to > happen. > > Can someone offer some insight why this might be so and how would I go > about forcing the platform to provide the SMBios in > gST->ConfigurationTable at a sensible point? > > Incidentally it seems ExitBootServices is not signaled on this platform > if the boot goes through to HDD either, which is another strange thing ... > > Cheers, > Tom > > > > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org > https://lists.01.org/mailman/listinfo/edk2-devel