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RE: Help autobooting FreeBSD 4.2
From: |
GB/DEV - Doug Poland |
Subject: |
RE: Help autobooting FreeBSD 4.2 |
Date: |
Thu, 11 Jan 2001 10:51:52 -0600 |
Jochen Hoenicke said...
>
> > On Jan 10, Doug Poland wrote:
> > I installed the latest grub from the FreeBSD package
> > and create a grub boot floppy. Now I want to either
> > have the system boot automatically from the HD or
> > from the floppy.
>
> What do you mean? Do you want to boot grub from a floppy,
> or do you want to boot from a floppy with grub?
>
Sorry for my lack of clarity. I want the system to boot
and load the OS without user intervention. Booting from
the HD is preferable, but a boot floppy will suffice.
> > As I was following the info page instructions for HD
> > install, I wasn't sure if I should install into the
> > MBR or the boot sector. I created the HD with the
> > "dangerously dedicated" option.
>
> I don't know BSD. I just searched for "dangerously
> dedicated" and if I understand the description correctly,
> grub doesn't support those disks since they have no MBR.
>
I believe that to be the case...
> You may check this by booting from a grub boot floppy
> and executing the command "geometry", for the disk in
> question. If this just returns the error "Partition
> table invalid or corrupted" there is no chance to
> install grub on that disk. You can only install grub
> on a floppy or another hard disk and then chainload
> the BSD disk.
>
> Jochen
>
This is what I do when booting from my grub boot floppy...
grub> root (hd0,a)
Filesystem type is ffs, partition type 0xa5
grub> geometry
Error: Unrecognized device string
grub> kernel /boot/loader
"...some FreeBSD stuff here..."
grub> boot
And away it goes...
Is this chainloading?
Doug
Re: Help autobooting FreeBSD 4.2, Jochen Hoenicke, 2001/01/11