Please: 1. Look at bug 1874578 and tell us if you think that might be the problem.
2. Open the 'Extensions' app and ensure you don't have any extensions other than the three Ubuntu ones. 3. Run 'top' in a Terminal window while the problem is happening and tell us if anything has high CPU. 4. Run 'journalctl -f' in a Terminal window while the problem is happening and tell us if any messages are repeating. ** Tags added: amdgpu ** Package changed: linux (Ubuntu) => ubuntu ** Changed in: ubuntu Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1926205 Title: graphic interface faulty To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1926205/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs