From owner-freebsd-current@FreeBSD.ORG Fri Oct 15 10:48:39 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from green.homeunix.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id E11A216A4CF; Fri, 15 Oct 2004 10:48:38 +0000 (GMT) Received: from green.homeunix.org (green@localhost [127.0.0.1]) by green.homeunix.org (8.13.1/8.13.1) with ESMTP id i9FAmcxG022582; Fri, 15 Oct 2004 06:48:38 -0400 (EDT) (envelope-from green@green.homeunix.org) Received: (from green@localhost) by green.homeunix.org (8.13.1/8.13.1/Submit) id i9FAmbYc022581; Fri, 15 Oct 2004 06:48:37 -0400 (EDT) (envelope-from green) Date: Fri, 15 Oct 2004 06:48:37 -0400 From: Brian Fundakowski Feldman To: Guido van Rooij Message-ID: <20041015104837.GK986@green.homeunix.org> References: <20041015073118.GA19660@gvr.gvr.org> <20041015082025.GA20471@gvr.gvr.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041015082025.GA20471@gvr.gvr.org> User-Agent: Mutt/1.5.6i cc: freebsd-current@freebsd.org cc: Robert Watson Subject: Re: 5.3-BETA7 install cd: kernel trap 12 with interrupts disabled X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Oct 2004 10:48:39 -0000 On Fri, Oct 15, 2004 at 10:20:25AM +0200, Guido van Rooij wrote: > On Fri, Oct 15, 2004 at 04:14:04AM -0400, Robert Watson wrote: > > > > > > I am beginning to wonder if we should have a boot option that enables a > > > thorough memtest from within the kernel...(e.g. boot -m). > > > > I guess the old /dev/test_for_shoddy_workmanship driver is working :-). > > > > It's probably just bad luck -- BIOS memory testing is generally pretty > > poor, and it could just be FreeBSD stored your root vnode pointer (or some > > other critical thing) in a memory word that Win2K was using for an icon, > > so a single bit twiddle did pretty different things. Glad it's fixed. I > > occasionally wonder if we shouldn't build a memory tester into the FreeBSD > > boot loader to help diagnose this sort of stuff, though. Not to run every > > boot, but as a diagnostics option. > > Yep, exactly my thoughts. I think this is a wonderfull idea. The memtest86 program is certainly small enough that we could stick it in /boot and make sure that the loader can run it. I'd volunteer to try and do it if I were less busy myself. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\