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 Generation 4 which is https://help.ubuntu.com/community/Macmini4-1/Lucid -- 10.4 beta-1 desktop CD install hangs during splash screen https://bugs.launchpad.net/bugs/544815 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
