It sounds like gputop is reporting main memory usage rather than graphics memory usage. But either way 3GB of RSS is too high.
Please start by removing all local extensions: cd ~/.local/share/gnome-shell/ rm -rf extensions and then log in again. We need to remove extensions from the equation first because they are so often the cause of peoples' bugs, and particularly memory leaks. ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete ** Package changed: gnome-shell (Ubuntu) => ubuntu -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2083163 Title: Gnome-shell process eats a lot of video RAM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2083163/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs