I agree it's not a initramfs-tools bug since I can build a working kernel/initrd set from the 2.6.15-25 (Dapper) source package.
-- [Edgy] Kernel 2.6.17-2-powerpc does not boot on OldWorld Powermac. https://launchpad.net/bugs/50746 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs