ok, what if you hold "alt" during power up, and choose the OSX partition as the boot partition (bypassing yaboot).I did that (i.e. <Apple-key>-<Alt>-<p>-<r>): No change ... I also pressed the reset button (left of the power button): Nothing, too .. (except thatmy clock was back to 1970 (?); I reset it with hwclock ... )
I don't believe that will change anything, but it's worth a try... andi