Confirmed to not be (just) a compiz bug because it also affects Wayland, which doesn't use compiz. Using Bionic beta with kernel 4.15.0-15-generic.
This bug filed for Linux package, when I wasn't sure which project was responsible: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1744543 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1744515 Title: Compiz flashback has high-CPU kworker thread when screen updates To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1744515/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
