re: http://grub.enbug.org/TestingOnMacbook
I am wondering who the author of this page is, and if it's possible to get a
more clear step by step of how a Macbook Pro 4,1 – one of the testing
configurations on that page – was configured to successfully boot Linux in EFI
native mode. So far I have been unable to reproduce it based on the information
provided on that page, and have found no other guides or resources indicating
it's possible.
See Ben Skaggs take on this "I think you'll find the binary driver will also
fail in this case with "NVRM: failed to copy vbios to system memory". Unless
there's some other magic way of retrieving the VBIOS image on these machines,
there's not a lot we can do."
https://bugzilla.redhat.com/show_bug.cgi?id=493754#c12
An advantage of GRUB2 here is the ability to use loadbios. But I have not been
successful at getting this to work as described.
Also see:
http://bugzilla.redhat.com/show_bug.cgi?id=691609
Basically this problem blocks Live CD's from natively EFI booting a large class
of EFI supporting hardware. But even if it's not possible to get this to work
with Live CD, it would be nice if a clear step by step were documented with
best practice to get this working after a e.g. text only installation (under
EFI native booting) were performed.
Chris Murphy
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