Jeremy Henty wrote:
> My working system is LFS 6.6 on /dev/sdb and I have a brand new LFS
> 6.7 on /dev/sda . I would like to chainload from GRUB2 on /dev/sdb to
> GRUB2 on /dev/sda .
>
> My first attempt was this entry in /boot/grub/grub.cfg on /dev/sdb:
>
> menuentry "LFS 6.7" {
> set root=(hd0)
> chainloader +1
> }
>
> ... but that fails immediately - I see a message from GRUB and then
> almost instantly return to the main menu. I tried removing the "+1"
> but then I get "Error, no file specified, press <Return>"[1], which I
> *think* means that the chainloader command is complaining about not
> having an argument.
>
> I can boot from /dev/sda by changing the boot order in the BIOS so I
> know that GRUB2 is there and working. Also, /boot/grub/grub.cfg on
> /dev/sda specifies "root=(hd0)" so the "root=" line is correct. What
> is going wrong? Surely there is a way to get GRUB2 to do this.
I don't know how to exactly do what you are trying to do, but try
dropping to the grub command line and manually try some commands (ls,
etc). You might want to try something like:
grub> root (hd0,1)
grub> kernel /boot/grub/core.img
grub> boot
-- Bruce
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