From owner-freebsd-i386@FreeBSD.ORG Tue May 4 04:50:27 2004 Return-Path: Delivered-To: freebsd-i386@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0B4ED16A4D6 for ; Tue, 4 May 2004 04:50:27 -0700 (PDT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4129843D6A for ; Tue, 4 May 2004 04:50:25 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) i44BoPoZ054568 for ; Tue, 4 May 2004 04:50:25 -0700 (PDT) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.11/8.12.11/Submit) id i44BoP7s054567; Tue, 4 May 2004 04:50:25 -0700 (PDT) (envelope-from gnats) Resent-Date: Tue, 4 May 2004 04:50:25 -0700 (PDT) Resent-Message-Id: <200405041150.i44BoP7s054567@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-i386@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, David Bremner Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7E39816A4CE for ; Tue, 4 May 2004 04:41:24 -0700 (PDT) Received: from convex.cs.unb.ca (convex.cs.unb.ca [131.202.244.141]) by mx1.FreeBSD.org (Postfix) with ESMTP id 24B1843D53 for ; Tue, 4 May 2004 04:41:24 -0700 (PDT) (envelope-from bremner-dated-1084880483.5406f2@unb.ca) Received: from bremner by convex.cs.unb.ca with local (Exim 4.24; FreeBSD) id 1BKyId-0003Nw-8i for FreeBSD-gnats-submit@freebsd.org; Tue, 04 May 2004 08:41:23 -0300 Received: by convex.cs.unb.ca (tmda-sendmail, from uid 1266); Tue, 04 May 2004 08:41:23 -0300 (ADT) Received: from bremner by convex.cs.unb.ca with local (Exim 4.24; FreeBSD) id 1BKyIc-0003Nm-Rm for FreeBSD-gnats-submit@freebsd.org; Tue, 04 May 2004 08:41:22 -0300 Message-Id: Date: Tue, 04 May 2004 08:41:22 -0300 From: David Bremner Sender: David Bremner To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: i386/66248: FreeBSD bootloader is confused by booting from USB flash, trashes main drives boot block X-BeenThere: freebsd-i386@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: David Bremner List-Id: I386-specific issues for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 May 2004 11:50:27 -0000 >Number: 66248 >Category: i386 >Synopsis: FreeBSD bootloader is confused by booting from USB flash, trashes main drives boot block >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-i386 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue May 04 04:50:24 PDT 2004 >Closed-Date: >Last-Modified: >Originator: David Bremner >Release: FreeBSD 5.2.1-RELEASE-p3 i386 >Organization: University of New Brunswick >Environment: System: FreeBSD convex.cs.unb.ca 5.2.1-RELEASE-p3 FreeBSD 5.2.1-RELEASE-p3 #12: Fri Mar 19 11:08:54 AST 2004 bremner@convex.cs.unb.ca:/usr/obj/usr/src/sys/CONVEX2 i386 >Description: I was experimenting with booting FreeBSD from a USB flash card with 1 fat partition, with booteasy (written from /stand/sysinstall). It seemed to be in an infinite loop of (hard) rebooting, with self-test and all. Booting from the harddrive now presents F1 DOS. Which does not boot the windows XP partition Conjecture: At some point I suceeded enough for the bootloader to want to make a note of what it booted last, but it wrote back the wrong boot block. >How-To-Repeat: see above. >Fix: Perhaps just a warning somewhere (fdisk?). >Release-Note: >Audit-Trail: >Unformatted: