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Re: EFI Boot on MacPro

From: peter cros
Subject: Re: EFI Boot on MacPro
Date: Wed, 7 Jan 2009 15:54:47 +1100


The kernel vesion may be the bug there, I have found grub.efi needs 2.6.26 or later, configured with EFI enabled, else the result is similar to yours.

I have had a grub.efi test package built from vesion 1913, running  in (apple intel) for a while, a number of people tried it.

grub.efi it would load and run for Apple MacBook2,1, Apple mini2,1
MacBook pro 2,2 or earlier , i.e. none of the current Apple MacBooks, but no reports   for Apple xserver, Imac or Mac Pro.
It is therefore very interesting that grub.efi loads and runs on the Mac Pro, I would like to know what your the Model version is.

peter cros

On Wed, Jan 7, 2009 at 8:42 AM, Ziling Zhao <address@hidden> wrote:
I'm trying to get grub2 working on a Mac Pro using pure EFI.

So, I've mucked around a bit and grub is loading. I can have it load the linux image as well, but it freezes soon after.

Output is:

  Booting 'Gentoo'
     [Linux-bzImage, setup=0x2c00, size=0x2ff4701]
Video mode: address@hidden
Video frame buffer: f0000000

-- Then it freezes --

I seeded a bunch of grub_printf statements to see where it dies, and it seems like it calls grub_machine_fini() (grub_loader_noreturn) is set to 1. However, it doesn't seem to get back to grub_cmd_boot, which is calling grub_loader_boot.

Anybody know what this is doing?

I've heard that people have successfully gotten non rEFItted makes to boot Linux, can anybody confirm this?

I compiled the grub2 stuff with "./configure --with-platform=efi --target=i386", this is grub trunk.

~Ziling Zhao

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