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Re: Bug#475718: Bug #475718 grub gets confused by hybrid apple/pc partma
Re: Bug#475718: Bug #475718 grub gets confused by hybrid apple/pc partmap
Fri, 25 Jul 2008 20:25:37 -0400
On Friday 25 July 2008, Robert Millan wrote:
> On Fri, Jul 25, 2008 at 07:36:25PM -0400, Chris Knadle wrote:
> > If you ask me, I think this unfortunately looks like a complex
> > detection problem -- which I think is eventually going to start with a
> > *successful* detection of the Apple partition (because Apple + PC
> > partitions can co-exist), followed by somehow *rejecting* that based on
> > not finding any Apple HFS+ partitions (avoiding scanning partition 0),
> > re-detecting partmaps (avoiding the failed Apple detection), and then
> > going from there. :-/ I've been thinking about that problem. No matter
> > how I look at this issue, it's messy.
> It can't be so complicated; your layout is properly detected on Linux,
> isn't it?
Ah. Yes I suppose that's true, and it gives me a thought -- I suspect it
may be due to the Linux kernel being built on the PC architecture. I *think*
all of the Apple boxes that run a PC architecture use EFI and the GPT
partition scheme rather than the Apple one -- so it might be possible to
simply not include Apple detection based on a decision at compile time. And
that's likely to be much easier to code.
> Maybe we just need to give preference to MSDOS partitions.
Hmm. If we do that, will that avoid the problem if the hybrid disk is in
an Apple? [I haven't tested it.]
> Btw, adding grub-devel to CC. Let's try to have discussions in upstream
Sounds good to me.