I also have a MacBook 5,2 (early 2009) and I experience the same errors
than you do. This has been tested on Ubuntu 10.10
I managed to build a grub2 1.99rc1 x86_64-efi.
I had to do some tweaks to make some progress. I'm hacking directly in grub.cfg
but from now, I don't care, I just want to test. So here is my entry :
menuentry 'Ubuntu, with Linux 2.6.35-25-generic' --class ubuntu --class
gnu-linux --class gnu --class os {
insmod part_gpt
insmod ext2
set debug=video
insmod efi_gop
set root='(hd0,gpt3)'
search --no-floppy --fs-uuid --set=root
d5175c18-7da2-49a9-a3af-844bad27c91d
linux /boot/vmlinuz-2.6.35-25-generic
root=UUID=d5175c18-7da2-49a9-a3af-844bad27c91d ro
initrd /boot/initrd.img-2.6.35-25-generic
}
The options are pretty much the same than the ones from my working grub
(with maxcpus=1).
At my first boot, I got "error: no argument specified". From what I've
seen on the internet, it's because the syntax is different between Grub
1.98 and 1.99rc1. In 1.98 it's --set d5175c18... while --set=root is
needed for 1.99rc1. However, this error wasn't a real problem because
we're asked to press a key and then the boot continues.
It continues until the second error: "error: no suitable mode found".
I've resolved this error by putting "set debug=video" and "insmod
efi_gop" in my grub entry.
>From this point, I can see that the kernel starts booting until the
error I now have which I haven't solved yet : "fb: conflicting fb hw
usage nouveaufb vs EFI VGA - removing generic driver".
I hope this post will help some of you to make some progress until the
point I've reached.
I also tried what post #41 detailed but I have the very same error :
conflicting fb...
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https://bugs.launchpad.net/bugs/341230
Title:
Booting linux crashes on 2009 White Macbook (hardware version ID
"MacBook5,2") unless you use acpi=off or maxcpus=1
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