I'm also affected by this issue, since upgrading to 15.04. I'm using a Sony VAIO Fit 14 (SVF14A17PBS) notebook, with a GT735M Nvidia GPU (proprietary driver, v 364). When I switch to my integrated Intel GPU, the issue is gone, so it seems related to the Nvidia driver.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1440012 Title: The cursor disappears on the top of the screen To manage notifications about this bug go to: https://bugs.launchpad.net/nvidia-drivers-ubuntu/+bug/1440012/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs