Also related: LP: #1877532 It's possible that all the lingering processes are due to a couple of misbehaving applications.
This isn't a great state of affairs (the cleanup process should not be so fragile that non-cooperative processes can stop it completely), but it might explain what's going on. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871726 Title: "systemd --user" and child processes fail to exit when user logs out To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1871726/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs