When installing ubuntu 9.10 karmic koala will grub2 work together with grub legacy

[bqz69]

> I take it your last install is 9.10 on sda8 and its grub2 cfg is set to
> mbr and you can boot to it.
>
> Do this then when booted to 9.10-sda8. At terminal
>
> sudo grub-mkconfig
>
> Can you see all of your OS including the 9.10 on sda5?

Strange, that on my laptop grub2 cannot see another grub legacy dist (8.04), 
and on my other pc grub2 cannot see another grub2 dist (9.10)