Similar issue, seems related to the graphical activities: Xorg is often on the top of the CPU usage, web content or Firefox too. I use a fresh install of 18.04.
** Attachment added: "CPU usage" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1773244/+attachment/5144413/+files/Capture%20du%202018-05-25%2022-41-33.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1773244 Title: gnome-shell using high cpu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1773244/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
