Same here on Ubuntu 3.19 Kernel and on 3.19pf1 custom kernel. So I think it has something to do with a specific device or class of devices.
I'm using a Satelite C875-S7132NR -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1427804 Title: Mouse pointer disappears after upgrade to kernel 3.19 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1427804/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs