It its the bios disk probe that is causing the machine to fault.
I suppose you really dont need to probe the disks when you are netbooting.
Danny Braniss ([EMAIL PROTECTED]) wrote:
> im now being bitten by this one, but with a twist:
> on a compaq deskpro workstation it's ok
> on a dell-precision 420, it bombs.
> both bioses are configured to boot via the network/pxe.
>
> im using the same disks for both boxes.
>
> i labeled the disks with:
> dd if=/dev/zero of=/dev/rda0 bs=1k count=1
> disklabel -Brw da0 auto
>
> i then went ahead an played with vinum, all went fine on the Compaq,
> i then wanted to do some comparisons, so i hooked up the disks to the Dell
> and now BTX bombs.
>
> is there a way, that when booting from the net, btx ignores the mbr/fdisk info?
>
> danny
> ps: im looking into the btx stuff, but will take me some time to remeber
> assembler :-)
>
> In message <[EMAIL PROTECTED]>you write:
> }
> }On 28-Oct-00 Matt Dillon wrote:
> }>:> # optional dd if you are paranoid
> }>:> # dd if=/dev/zero of=/dev/da0 bs=32k count=4
> }>:> fdisk -I da0
> }>:> disklabel -w -r da0s1 auto
> }>:>
> }>:> That's much preferable to having to use sysinstall if all you want to
> }>:> do is initialize a label on a slice.
> }>:
> }>:Yes, this is definitely the desired behavior.
> }>:
> }>:--
> }>:
> }>:John Baldwin <[EMAIL PROTECTED]> -- http://www.FreeBSD.org/~jhb/
> }>
> }> John, can you explain how the MBR bootstraps a slice? Should I make
> }> disklabel zero-out the fdisk partition table area in the slice rather
> }> then installing the dummy fdisk partition table? That is, for the
> }> case where -B is used on a slice (da0s1) verses on the whole-disk (da0)?
> }
> }Just ignore the slice table within a slice. It is only used when boot1
> }is splatted over top of the MBR for the dangerously dedicated mode. It is
> }unused and ignored otherwise.
> }
> }> -Matt
> }
> }--
> }
> }John Baldwin <[EMAIL PROTECTED]> -- http://www.FreeBSD.org/~jhb/
> }PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
> }"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
>
>
>
>
>
>
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Paul Saab
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