Bug#284058: Package: installation-reports
reassign 284058 os-prober
retitle 284058 Did not detect a Mac OS/X install
> Installer does not add existing MAC OS X installation to yaboot. On
> intels grub is able to add existing Windows to its config, it would be
> nice for yaboot to also have such option.
As far as I can see, os-prober is supposed to detect OS/X installs.
The test is by trying to find a file named mach_kernel at the root of
the tested partitions.
I have no clue on PPC systems...just quickly analysing your install