[uds-announce] Dual Boot Installation with Ubuntu

Khairul Aizat Kamarudzzaman fenris at ubuntu.com.my
Wed Oct 31 08:31:06 UTC 2012


Thanks to gustafsson ! 

Manage to install n boot my ubuntu, im having problem with the graphic n wireless ... :(

Sent from my iPhone

On Oct 30, 2012, at 8:27 PM, Göran Gustafsson <gustafsson.g at gmail.com> wrote:

> Yes, Apple doesn't fully follow the specs. I've read that they use a mix of version 1 and 2.
> 
> From my experience you can only boot if the file is named EFI/boot/bootx64.efi. Otherwise you can't see the option when holding down the option key at boot.
> 
> 
> On 2012-10-30, at 17:56, Colin Watson <cjwatson at ubuntu.com> wrote:
> 
>> On Mon, Oct 29, 2012 at 06:24:26PM +0100, Göran Gustafsson wrote:
>>> If you are trying to boot using grub2 and EFI (without using refit and
>>> a hybrid mbr partition table) then you need to make sure you got a
>>> file named EFI/boot/bootx64.efi on /dev/sda1. Ubuntu drops the ball on
>>> this one.
>> 
>> Per the spec, /EFI/boot/bootx64.efi is only supposed to be required for
>> booting from removable media.  For fixed disks, it is supposed to be
>> sufficient to have /EFI/ubuntu/grubx64.efi plus an efibootmgr entry.
>> 
>> However, Macbooks are probably hopelessly non-compliant with the UEFI
>> spec ...
>> 
>> -- 
>> Colin Watson                                       [cjwatson at ubuntu.com]
>> 
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