Re: [gentoo-user] Boot gentoo with GTP Disk label

[Paul Hartman <paul.hartman+gentoo@gmail.com>]

On Sat, May 8, 2010 at 9:16 AM, claude angéloz
<claude.angeloz@bluewin.ch> wrote:
> Hello,
>
> I installed a gentoo on a very recent system  (efi support) . AT the
> reception of the laptop  it was a disk label msdos, with a boot
> partition w** installer ... I changed that against  a GPt disk label. I
> can install without problem the gentoo , but now it doenst boot.
>
> I read some docs about gpt,mbr,boot principles and tried some tools
>
> - install the grub2 masked package and grub-install.
>
> - a special partion bios_grub  as 1st bootable partition.
> but actually no succesful...
> but in the parted i did not see this "bios_grub" as  flag...
>
> I found some  tips from the web , but i guess that was only valid for a
> macintel system, not a normal pc  with a disk labeled gpt and an efi
> support.
>
> I know that it is not required  an  efi partiton to boot the os with
> pc/bios and gpt disk. Or is it false ?
>
> If anybody has an other idea. Or I must  abandon the gpt disk label ?
> Is there an equivalent refitr in OS x86  ?

I'm using GPT partitions and with the grub-0.97-r9 in Gentoo it has
patches to boot from GPT disks. I just did normal grub install as
usual and everything seems to work. I'm not using the partition label,
though, but only "root (hd0,0)"