[uds-announce] Dual Boot Installation with Ubuntu

anders at jenbo.dk anders at jenbo.dk
Wed Oct 31 09:46:19 UTC 2012


post the result from:
lspci -nn | grep VGA; lspci -nn | grep -i net

Den 31-10-2012 09:31, Khairul Aizat Kamarudzzaman skrev:
> 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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