I've just encountered this on my Quantul box; it lost the xserver-xorg- video-radeon driver (see separate bugs) - so it seems to be doing it with the FB driver it's dropped back to.
xserver-xorg-core 2:1.12.1.902-1ubuntu1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/774434 Title: mouse pointer disappears in ubuntu 11.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/774434/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs