The biggest problem I had was in copying the kernel and ramdisk from the installed system to the Mac OS partition. I didn't have a small HFS partition and Linux can't write to HFS+ (at least by default).

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The trick is to load the module for hfs or hfsplus in the following manner. You have to Alt-Fn (where n is a number) once in the installation is finished and it prompts you to restart (which you don't want to do yet):

modprobe hfs (for HFS support)

modprobe hfsplus (for HFS+ support)

Once you do that, you can mount the Mac OS partition and move the kernel and ramdisk over. Finally, you can Alt-Fn back to the installation console window and allow the restart to take place.