How can we make F17 be able to boot on Macs (with or without reFit)

John Reiser jreiser at bitwagon.com
Fri May 11 04:52:31 UTC 2012


On 05/10/2012 09:34 PM, Chris Murphy wrote:
> On May 10, 2012, at 8:56 PM, Adam Williamson wrote:

>> I'd say almost certainly yes. AIUI on any EFI system there's only ever a
>> reason to have _one_ EFI system partition.

> mactel-boot in effect creates an HFS+ /boot/efi partition, and does not use the existing
> FAT32 EFI System partition. So there are already two for Macs. But I'll take it to mean
> that anaconda should be able to identify and reuse a pre-existing HFS+ /boot/efi
> instead of creating another one.

Anaconda claims that the natural sharing of EFI System Partition
across multiple OS is not supported, neither for Install nor for Update:

  "EFI install from DVD forgets previous EFI boot"
     https://bugzilla.redhat.com/show_bug.cgi?id=809963#c7
  "As far as sharing the same /boot/efi directory between installs, we don't
  support that -- a new copy of the grub.efi binary is written as well as a new
  grub.conf."

-- 


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