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Grub2 xnu_kernel

grub

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#1
Edoir

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Hi there,
I have change my old macbook 3,1 for a Sony vaio SVS13
I want to have a triple boot on this computer.
So i have fully format my hdd then put it in external usb slot and connect to a Macbook air to set up Mountain Lion.
Then i have put back the hdd to my Sony Laptop to set up Windows 7 pro X64.
Then after all i have set up Ubuntu 12.04 X64.
Ubuntu has detected Windows and Mac Os X so Grub 2 (in UEFI mode) has all the OS at the starting.

So my hard drive is like that

EFI | Macintosh HD | Microsoft Reserved | Windows 7 | Ubuntu.

The problem is that i can't boot Mac Os...
I have created a /Extra/Extensions with fakeSMC.kext inside

i have also a DSDT file in /Extra

I have try to edit the boot script in grub with xnu_kernel64 /mach_kernel boot-uuid=${uuid} rd=*uuid -x -v

but nothing...

Here is where i have found the info
http://www.tonymacx8...html#post415354

The fact is I want to boot with Grub and not chainload with an other bootloader.

#2
rockinron_1

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You have to chainload (or to keep things simple you should), use chameleon as your bootloader, set ubuntu timeout to 0.

Edit: Extensions go in /System/Library/Extensions - /Extra/Extensions is depreciated after SL

#3
HUSABER

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For me grub never boot OSX,you need Chameleon for triple boot
may be this help you:
http://www.insanelym...l=&fromsearch=1

#4
Edoir

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Why Grub 2 is "Complicated"?

#5
HUSABER

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:thumbsup_anim: Grub is hard..





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