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

Matthew Garrett mjg59 at srcf.ucam.org
Tue Mar 13 20:07:27 UTC 2012


On Tue, Mar 13, 2012 at 02:02:50PM -0600, Chris Murphy wrote:
> On Mar 13, 2012, at 7:10 AM, Matthew Garrett wrote:
> 
> > On Tue, Mar 13, 2012 at 03:06:31AM -0600, Chris Murphy wrote:
> > 
> >> EFI Boot= Grub prompt, no menu
> > 
> > Can you type "root" and see what it says, followed by "findiso" and then 
> > "root"?
> 
> USB stick:
> grub> root
>   (hd0,2,a): Filesystem type unknown, partition type 0x0
> grub> findiso
> grub> root
>  (hd0): Filesystem type is iso9660,  using whole disk
> 
> DVD:
> grub> root
>   (hd0,2,a): Filesystem type unknown, partition type 0x0
> grub> findiso
> grub> root
>   (fd256): Filesystem type is iso9660, using whole disk

Interesting. This probably means that grub is failing to find its config 
file for some reason, which really isn't something that should go wrong. 
I'll look into it.

> > This too. Can you try adding "noefi" to the kernel command line for 
> > both?
> 
> Makes no difference in either case. Same result. This is inserted after 'rd.dm=0'.

Ok, so it's nothing to do with our efi accesses. Irritating. I'll 
probably need to track down hardware.

> > 
> > CSM boots aren't expected to work in the slightest.
> 
> But it does work. All the way to anaconda and installation. It's the EFI options that aren't working so far.

You pointed out that CSM installs don't work - the partition table is 
entirely inappropriate for them. We're not planning on fixing that.

-- 
Matthew Garrett | mjg59 at srcf.ucam.org


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