Re: OldWorld ROM Macintoshes

Hello,

On Tue, 2025-09-02 at 12:57 -0600, Stan Johnson wrote:
> Is GRUB2 supported on the Wallstreet?

Did someone ever test this? I unfortunately don't own one.

> Regardless of whether yaboot is still supported,

Last time I checked the upstream project was dead and besides some updates
to a few forks, there doesn't seem anyone really working on it:

https://github.com/search?q=yaboot&type=repositories&s=updated&o=desc

> it still works, though I think it requires ext3 filesystems instead of ext4.

The main problem is that Yaboot doesn't support 64-bit block counts and
meta-data checksumming:

https://salsa.debian.org/installer-team/partman-ext3/-/commit/f87dc92157262de1ad8dd3f2343436f08271b4dc
https://man.archlinux.org/man/ext3.5.en

> And Yaboot is the only option for the PowerBook Lombard, which despite
> being NewWorld does not support GRUB.

Might be an idea to bring this up on grub-devel. As I don't have such hardware,
I can't do it myself.

> There was a disccussion on this mailing list a while ago about how to
> make GRUB work on PowerMac systems (G3, G4, G5) to boot Mac OS 9 and Mac
> OS X in addition to Linux, but I don't know whether those changes ever
> made it up to the GRUB developers (?). Meanwhile, yaboot continues to
> support booting from Mac OS 9, Mac OS X, CD, and Linux.

Well, Yaboot continues to remain unchanged (surprisingly).

Adrian

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