I can confirm your problem with the alternate install! When I turn off KMS I get the blank screen except the screwed up mouse pointer. I'll look into it. This didn't happen with the live/desktop ISO install.
** Changed in: debian-installer (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1044180 Title: Screen Freeze on Bootup - Lubuntu 12.10 PPC Alternate Aug 30 Build To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1044180/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs