For my case the problem disappeared when I used the image from
http://macbookpro7-1.daviey.com/ubuntu-10.04-desktop-amd64-macbook71.iso
This one seems to have a special kernel witch supports my SATA controller (some
new model from NVIDIA I think).
Later I found a page dedicated to my Mac Mini Ge
I think I have the same problem.
I got my brand new Mac Mini (newest generation) this week and of course
I have to install some kind of Linux on it :-)
First I tried Debian 5.05 AMD64 which could not detect my cdrom driver.
Then I tried Ubuntu 9.10 which didn't boot at all.
I then updated my Ub