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Re: grub2 EFI 64-bit capable of loading 32-bit kernel ?

From: Isaac Dupree
Subject: Re: grub2 EFI 64-bit capable of loading 32-bit kernel ?
Date: Sun, 29 Aug 2010 15:38:03 -0400
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100806 Lanikai/3.1.2

On 08/27/10 16:36, meta tech wrote:

I have a MacBook with a EFI 64-bit.
I would like to boot Ubuntu 10.04 32-bit from grub EFI 64-bit.

That should work, I believe. (But obviously doesn't and ought to be fixed, though I haven't looked into it.) Did you try booting a 64-bit Linux to see if that works?

Also, I tried to configure grub EFI 64-bit to chainload grub EFI 32-bit, but
I get the following error :

That shouldn't work (the EFI library-functions provided by the MacBook are specific to 32-bits or to 64-bits, 64 in the case of your machine).

My MacBook (Macbook2,1 -- mid 2007) has 32-bit-EFI and 64-bit-processor, and I've successfully run both 32bit and 64bit Linuxes on it, although I tend to boot them via grub-BIOS (depending on Linux versions etc., EFI booting seemed to go wrong in various ways in the past when I tried it)


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