To update my own workaround, I have switched to LXDE for now (installed lubuntu-desktop). It's pretty drastic, but it completely sidesteps mutter.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1740869 Title: <something> is not respoding window is constantly showing when debugging a program in Eclipse To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1740869/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs