I can confirm that this is happening only in combination with Display Link drivers.
Yesterday everything was working fine on Ubuntu 18.04 with Nvidia drivers, but today I've installed DisplayLink 5.1 so that I can use 2 external monitors at work and then square appeared. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1684240 Title: Lagging square around mouse pointer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-375/+bug/1684240/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
