Re: Maturity of GRUB on powerpc/ppc64?

[Lennart Sorensen]

On Wed, Oct 04, 2017 at 03:25:20PM +0200, John Paul Adrian Glaubitz wrote:
> On 10/04/2017 03:16 PM, Frank Scheiner wrote:
> > Hey Adrian, you are really helpful! :-)
> 
> So are all your tests. Your input is really appreciated, thank you!
> 
> > I will check this out for the Power Macs and try to fix any issues on
> > the way by directly adapting `/usr/bin/grub-installer`.
> 
> Yep, that's the idea. I assume there are only minor changes necessary
> to be made until everything works as intended.
> 
> I still haven't managed to fully fix GRUB on POWER-based systems though
> as I cannot get partman to flag the boot partition as PREP. And without
> that flag, grub-installer is unable to find the target partition for
> installing GRUB.

It is not a flag, it is a partition type.  PPC PReP Boot is partition
type 0x41.  Similar to how Linux is type 0x83 and Linux swap is type 0x82.

I don't remember if it wants the boot flag set on it or not.

> I have to dig into the partman source code more to be able to find
> the problem.
> 
> > But could take until the weekend to find the time. :-/ I'll keep you 
> > informed.
> 
> No worries, take your time.

-- 
Len Sorensen