Re: Installed 5.2RC from CDROM, fails to boot in manager

From: Kevin Oberman (oberman_at_es.net)
Date: 01/02/04

  • Next message: Darren Pilgrim: "Re: logitech cordless optical mouse problems..." 
    To: Clint Olsen <clint@0lsen.net>
Date: Thu, 01 Jan 2004 16:15:29 -0800

    > Date: Thu, 1 Jan 2004 12:55:11 -0800
    > From: Clint Olsen <clint@0lsen.net>
    > Sender: owner-freebsd-current@freebsd.org
    >
    > On Jan 01, Ryan Sommers wrote:
    > >
    > > When you hit a key does anything show up on the next line after the
    > > bootmanagers prompt, like a - / \ | character? If not then your MBR might
    > > have been corrupted. Is it a constant tone or is it just an error beep
    > > when you hit a key? I don't remember if boot0 makes a beep on a bad key
    > > or not.
    >
    > No, it doesn't show any sort of booting character. It beeps no matter what
    > key I hit. It just hangs there. This is a 40G Maxtor drive I swiped out
    > of my Dell machine.
    >
    > I had some fun running fdisk on this thing. Fdisk could never get the
    > geometry right for this disk - but it did appear to be able to detect the
    > size correctly. It kept trying to create 3 partitions, instead of the
    > usual 2 (the 0-63 partition 'hole' + the freebsd partition).
    >
    > At any rate, I got the screen to appear largely like it does on the fdisk
    > menu in the FreeBSD Handbook (incorrectly guessing the disk size but at
    > least getting the number of partitions right).
    >
    > > Is FreeBSD the only operating system you have on the system? You might
    > > try chosing not to use a boot manager if it is the only OS.
    >
    > Yes, it's the only system. I have the boot manager on my 4.7 machine, so I
    > didn't see any harm in using it again. I actually want to install a second
    > disk with Windows on it so I can refer to it for emergency purposes.

    Try re-writing the MBR. Use the fixit disk (ISO-2) to bring up th live
    system. Then enter the command:
    boot0cfg -o packet -B ad0

    There are other options you might want to use, but this should
    work. (Read the man page.) 

    -- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634
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