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

[Chris Murphy]

On May 10, 2012, at 10:52 PM, John Reiser wrote:

> 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."

Unrelated. It created this HFS+ /boot/efi during the first install. And for subsequent installs, it doesn't replace, delete, or reuse it. If I do a Replace Existing 10 times, I end up with 11 of these 200MB HFS+ partitions.


Chris Murphy