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Re: EFI Boot on MacPro

From: Michal Suchanek
Subject: Re: EFI Boot on MacPro
Date: Mon, 12 Jan 2009 16:12:33 +0100

2009/1/8 peter cros <address@hidden>:
> Successfully booting linux 2.6.27 on MacBook2,1 - details.
> i386 grub.efi, SVN version 1913.
> ubuntu 810, kernel version  2.6.27-7-generic (installed today).
>    2244272 2008-10-24 19:29 vmlinuz-2.6.27-7-generic
>    8177710 2009-01-08 16:48 initrd.img-2.6.27-7-generic
> grub.cfg - (sym links, /vmlinuz->  /initrd.img-> )
> menuentry "search-vmlinuz root=sda3" {
>     search --set  /vmlinuz
>  linux  /vmlinuz root=/dev/sda3  video=efifb
>  initrd  /initrd.img
> }
> disabled agp modules using blacklist (intel_agp, agpgart)
> and xorg.conf change to Driver "fbdev". (Also possible to get to X gui
> desktop without disabling agp, but with no virtual console display).

FWIW I can boot Linux 2.6.28 (32bit only, the CPU probably does not do
64bit) on a Mac mini.

I load grub directly without rEFIt. The vesa framebuffer has wrong
colours and both imacfb and intelfb produce distorted image (or they
did with some 2.6.27 kernel at least).

However, X works with AGP and DRM with the alien coloured console
intact - it's possible to switch between X and the console without any
immediately visible additional problems.

The X driver works as nicely as it does on any other hardware, at
least I do not see any glitches.



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