I can confirm this bug. I am in Karmic with a Macbook 2,1 and the headphone jack does not work. The alsamixer workaround did not work for me, and I see no way to unmute surround, though I'm fairly certain I did in Jaunty before I upgraded to Karmic.
I can confirm this bug. I am in Karmic with a Macbook 2,1 and the headphone jack does not work. The alsamixer workaround did not work for me, and I see no way to unmute surround, though I'm fairly certain I did in Jaunty before I upgraded to Karmic.