From owner-freebsd-stable Thu Oct 22 18:49:53 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA06475 for freebsd-stable-outgoing; Thu, 22 Oct 1998 18:49:53 -0700 (PDT) (envelope-from owner-freebsd-stable@FreeBSD.ORG) Received: from gatekeeper.tsc.tdk.com (gatekeeper.tsc.tdk.com [207.113.159.21]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA06460 for ; Thu, 22 Oct 1998 18:49:51 -0700 (PDT) (envelope-from gdonl@tsc.tdk.com) Received: from sunrise.gv.tsc.tdk.com (root@sunrise.gv.tsc.tdk.com [192.168.241.191]) by gatekeeper.tsc.tdk.com (8.8.8/8.8.8) with ESMTP id SAA08630; Thu, 22 Oct 1998 18:47:42 -0700 (PDT) (envelope-from gdonl@tsc.tdk.com) Received: from salsa.gv.tsc.tdk.com (salsa.gv.tsc.tdk.com [192.168.241.194]) by sunrise.gv.tsc.tdk.com (8.8.5/8.8.5) with ESMTP id SAA14542; Thu, 22 Oct 1998 18:47:41 -0700 (PDT) Received: (from gdonl@localhost) by salsa.gv.tsc.tdk.com (8.8.5/8.8.5) id SAA19488; Thu, 22 Oct 1998 18:47:39 -0700 (PDT) From: Don Lewis Message-Id: <199810230147.SAA19488@salsa.gv.tsc.tdk.com> Date: Thu, 22 Oct 1998 18:47:39 -0700 In-Reply-To: Mike Smith "Re: ECC memory support" (Oct 22, 4:19pm) X-Mailer: Mail User's Shell (7.2.6 alpha(3) 7/19/95) To: Mike Smith , Don Lewis Subject: Re: ECC memory support Cc: Burkard Meyendriesch , freebsd-stable@FreeBSD.ORG Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Oct 22, 4:19pm, Mike Smith wrote: } Subject: Re: ECC memory support } Firstly, there's no guarantee that you're going to *get* an NMI on a } soft ECC error. If the design integrates error detection into the } BIOS, you're going to get an SMI and the BIOS will run regardless. This is an area that I'm very unfamiliar with. Who sets up the interrupt vector so that the BIOS gets control? I presume it's the BIOS and the kernel is careful not to change the vector. } If you did, there would be no point in calling the BIOS, as you already } know what's going on. Ok, and I assume that if the kernel gets an SMI it is non-fatal, unlike what currently happens with an NMI. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message