Are you by chance running owncloud client, or any other qt5 app creating an indicator in the top panel ?
If yes, this is probably a dupe of #1635577 ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1641820 Title: Memory leak: unity-panel-service is using 7.9 GiB of RAM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1641820/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs