From owner-freebsd-questions@FreeBSD.ORG Sun Oct 1 20:59:15 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1C60916A407 for ; Sun, 1 Oct 2006 20:59:15 +0000 (UTC) (envelope-from backyard1454-bsd@yahoo.com) Received: from web83107.mail.mud.yahoo.com (web83107.mail.mud.yahoo.com [216.252.101.36]) by mx1.FreeBSD.org (Postfix) with SMTP id 5CBC143D5E for ; Sun, 1 Oct 2006 20:59:07 +0000 (GMT) (envelope-from backyard1454-bsd@yahoo.com) Received: (qmail 36651 invoked by uid 60001); 1 Oct 2006 20:59:06 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=hRZTdbzf1xWwCE8N5b7sqQY9+YQaBNj9dM1sFFyDTpQSF5AuUwl2/V3xUWFswJ2yQkJyZi5WZdouwj9dRbuTOWa6rDGNqO+nu1ade/LE7267jM+8q8mXYdPpqcRA14+DfD62zk0JtQOSG4Kq+L1Uha2qOSCgnayMAWDb2glT2UI= ; Message-ID: <20061001205906.36649.qmail@web83107.mail.mud.yahoo.com> Received: from [75.11.9.227] by web83107.mail.mud.yahoo.com via HTTP; Sun, 01 Oct 2006 13:59:06 PDT Date: Sun, 1 Oct 2006 13:59:06 -0700 (PDT) From: backyard To: freebsd-questions@freebsd.org In-Reply-To: <89ce7f740610010914g152e0d60r792443e9d0acfe02@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Subject: Re: Restoring FreeBSD grub loader X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: backyard1454-bsd@yahoo.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 01 Oct 2006 20:59:15 -0000 --- "Ivan \"Rambius\" Ivanov" wrote: > Hello, > > Thank you for your response. > > On 10/1/06, backyard > wrote: > > > > > > --- "Ivan \"Rambius\" Ivanov" > > wrote: > > > > > Hello, > > > > > > I installed FreeBSD 6.1 on one machine with grub > > > boot loader. In the > > > beginning there was only one entry in grub - > namely > > > FreeBSD. Later, I > > > had to install Windows XP on the machine and of > > > course, it destroyed > > > grub and now I cannot boot FreeBSD. > > > > > > I tried with booting from the FreeBSD > installation > > > disk choosing Fixit > > > option, but I could not use successfully > > > grub-install command. > > > > > > My question is: how can I restore the FreeBSD > grub > > > loader? Could you > > > please give me any hints or advance. Thank you > very > > > much in advance. > > > > > > Regards > > > Ivan > > > > > > -- > > > > I would suggest you make a grub booting floppy > disk > > then you can escape to command mode once the disk > > loades and install grub with > > > > root (hd0,0,a) # or wherever it is > > setup (hd0 # again wherever it is > > > > assuming you have already placed the grub > bootfiles on > > your hard drive and configured menu.lst you should > be > > all set. I have only encountered one computer this > > method failed. > In fact, I am using a laptop that does not have a > floppy drive, so I > could not use booting floppy disks. > I use a USB floppy drive to boot my laptop and install grub. Although I haven't been able to use fdformat with the floppy drive so I use one of my desktops to prapare the disks. > > > > you could alternatively flip the kernel tunable > that > > allows raw writes to the boot sectors of the > disks. I > > don't recall what it is but I think the grub docs > talk > > about it in the man or info pages. > > > > I'm supprised XP messed it up, 2000 seemed to > respect > > existing bootloaders... > I fixed the problem in the following way: I have > another FreeBSD > laptop, so I copied its boot sector using the > command > > # dd if=/dev/ad0s1a of=/mnt/bootsect.bsd bs=512 > count=1 > I've used that method myself when grub hadn't been updated to support UFS2. I had completely forgotten about it though. > Then I used bootsect.bsd to to boot in FreeBSD via > the NT loader (I > found this link useful: > http://www.unixguide.net/freebsd/faq/09.10.shtml). > After I boot to > FreeBSD I installed the grub loader. to each their own; the beauty of Unix... glad you got it working. > > Regards > Ivan > > -- > -brian