This also happens to me on a laptop with 15.04 installed on it. A quick test seems to indicate that it happens when I select the NVIDIA card from the nvidia-settings control panel. When I choose to use Intel integrated graphics, the mouse cursor works as expected.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1443070 Title: mouse cursor is gone,when I move it to screen top border To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1443070/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs