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Thread: More OPenBSD Questions

  1. #1
    Antionline Herpetologist
    Join Date
    Aug 2001
    Posts
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    More OpenBSD Questions

    First of all, thanks to all those guys who replied to my first post.
    Thanks to you guys the install went off smoothly. But there's still a problem. The bloody thing won't boot! I'm still able to boot WinXP Pro, but OpenBSD refuses to boot up. I tried a couple of things to get it to work. Here they are in order:
    First, my partition structure
    1. Windows Fat32 Primary 10gb
    2. Windows Fat32 Extended 5 GB
    3. The remaining 4 GB is divided into a 514mb swap (partition no. 4)and the remaining (partition no.3) is under FFS (mount point /)

    You'll need a floppy with free space on it. Mount the floppy using the mount_msdos command like so.

    # mount_msdos /mnt /dev/fd0c

    In OpenBSD, there is no /boot/boot1 equivalent. Thus we'll have to create one manually. Luckily this is simple and straightforward.

    # dd if=/dev/rwd0c of=/mnt/open.bsd bs=512 count=1

    Once completed, reboot into Windows using

    # umount /mnt; shutdown -r now

    and copy "open.bsd" to where boot.ini and ntldr are located. Edit your boot.ini to include the line cpen.bsd="OpenBSD". Reboot and you'll have a choice.
    What happens here is that the XP boot menu does give me a choice, but on selecting it, the system just reboots.

    Then, I tried intalling OS-BS. I told it to give me a choice between WinXP Pro(partition 1) and OpenBSD(partition 3) but it just says no OS when I select partition 3.

    Then I tried installing BootEasy. Same problem.

    The files on wd0a(the OpenBSD partition) do exist because when I boot from the Install floppy, go to the shell and say:
    mount /dev/wd0a /mnt
    It is successful and a ls /mnt shows all the files.

    Any suggestions?

    Thanks in advance,
    cgkanchi
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  2. #2
    Senior since the 3 dot era
    Join Date
    Nov 2001
    Posts
    1,540
    at the first glance I see 2 things:
    (not sure)

    1) there's a prob with the Linux Loader in your superblock (boot sector), eg the first sectors of your *nix boot partition.

    2) I think that OpenBSD also has the 1024 cylinder limitations cause it's a BIOS error, not an OS error.
    OpenBSD will probably see your drive with a different geometry depending on how the BIOS sees it. This thing can cause the fact that lilo thinks BSD is in a certain cylinder while OpenBSD thinks it's in another cylinder.
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  3. #3
    I think that OpenBSD also has the 1024 cylinder limitations cause it's a BIOS error, not an OS error.

    I would have to agree. It sounds like Bios error.
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  4. #4
    Senior since the 3 dot era
    Join Date
    Nov 2001
    Posts
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    Re: cgkanchi

    MultiBoot - OpenBSD and FAT/NTFS Windows

    Take a look at this site ttp://www.nomoa.com/bsd/dualboot.htm
    (did I mentioned this url already?)
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