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Thread: Dual Boot OSX 10.8

  1. #1
    Join Date
    Jan 2013
    Beans
    2

    Dual Boot OSX 10.8

    Hy,
    First of all, best wishes for the new year.

    I have the last Imac 21.5 inches, 2.7 Quad Core, OSX 10.8. I'd like to Dual boot on it:
    I applied exactly that recipe:
    http://www.ubuntu.com/download/help/...ick-on-mac-osx
    Because, thanks to the "new Imac" you even cannot use a CD to boot on it...
    Anyway, no problem with it, worked perfectly.
    The tricky stuff comes when I'm rebooting on the usb, I can "see" my usb key named "windows", I ask to boot on it, then I got this screen:
    http://doc.ubuntu-fr.org/_detail/ins...ck1.png?id=efi
    Then a black screen with lot of codes on it, the install stops:
    "
    [sdb] Write Protect is off
    [sdb] Mode Sense: 00 00 00 00
    [sdb] Asking for cache data failed
    [sdb] Assuming drive cache :write through
    [sdb] Asking for cache data failed
    [sdb] Assuming drive cache :write through
    [sdb] Asking for cache data failed
    [sdb] Assuming drive cache :write through
    [sdb] Attached SCSI removable disk

    "

    So apparently it doesn't boot on the flash key, we can see it, as soon as the screen "non EFI" appears...

    I tried with:
    ubuntu-12.04-LTS (32 bits)
    ubuntu-12.04-LTS (64)
    ubuntu-12.10-desktop-amd64+mac.iso


    notes: The flash key is 8 GB. Gave 500GB to Freespace, 500GB to OSX

    In my opinion the pb comes from EFI, I though we could avoid it by using 64 bits.. apparently not..

    I'm a bit depressed to be honest, any idea will be welcome...

    Regards

  2. #2
    Join Date
    Jan 2013
    Beans
    2

    Re: Dual Boot OSX 10.8

    Any ideas ?

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