[Bug 13170] Macbook 5,2 only boots with acpi=off, or nosmp, or maxcpus=1

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Wed Mar 9 09:08:31 PST 2011


--- Comment #61 from Gregory Bellier <dest at gatekeeper.fr>  2011-03-09 17:08:26 ---
Hi !

After some digging, I'm now able to boot on Linux using a Macbook 5.2 and with
two cores.

refit + grub-pc with maxcpus = 1 => ok but only one core
refit + grub1.99-rc1 (efi and x86_64) => ok with two cores.

As I previously said, I managed to boot on the kernel but faced an error (or
should I say a new one) : "fb: conflicting fb hw usage nouveaufb vs EFI
VGA - removing generic driver".

This is due to a bug which I presume is in Nouveau. I reported it here:

To sum up, grub2 built for efi and x86_64 placed in the EFI partition. Within
the grub.cfg :
menuentry 'Linux without bios dump' {
        insmod efi_gop
        search --no-floppy --fs-uuid --set=root
        linux   /vmlinuz root=UUID=d5175c18-7da2-49a9-a3af-844bad27c91d ro
        initrd  /initrd.img
AND the final piece, NVidia driver then you'll be able to boot directly from
EFI to have the 2 cores.

There are several problems here.

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