I can confirm the bug. This bug showed up just after upgrade where "technical" splash where substituted with final one. I'm using vesafb and ati drivers in X.
-- Ubuntu and Xubuntu (Edgy Knot3) end sessions with a black screen https://launchpad.net/bugs/62143 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs