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Re: efi linux booting on macbook pro fails with grub2 1.97

From: Soeren Sonnenburg
Subject: Re: efi linux booting on macbook pro fails with grub2 1.97
Date: Mon, 26 Oct 2009 22:55:47 +0100

On Mon, 2009-10-26 at 14:50 -0700, Michael Evans wrote:
> I think that grub2 still uses the same hd0 == sda ; hd1 == sdb ; ... ;
> hd(N-1) =sd(N) scheme, but stops counting partitions within drives
> from 0 and instead uses the same number as otherwise (maybe they
> mapped 'partition 0' to the whole devices as a default argument; that
> would make sense to me).
> So you need to modify your grub-config to read 
> menuentry "Debian GNU/Linux" {
>        root=(hd0,3)
>        fakebios
>        linux   /boot/vmlinuz root=/dev/sda3 ro video=efifb
> }
> (Or something...)

This is indeed a configuration that works when booting with bios but not
with EFI :( There ls (hd1,3)/boot really lists me the kernel but a

linux (hd1,3)/boot/vmlinuz

doesn't do anything. To the contrary when I call it twice it doesn't
even find the linux command any longer...

For the one fact about the future of which we can be certain is that it
will be utterly fantastic. -- Arthur C. Clarke, 1962

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