I'm having the same problem, usually after running an NX session remotely to my workstation. I come in the next day, & my screen saver is locked. A hard reset is the only thing that will allow me to get back in. In messages I see:
bonobo-activation-server (jcenter-31686): could not associate with desktop session: Failed to connect to socket /tmp/dbus-GjZOjel1tD: Connection refused I'm running Ubuntu 9.04. -- bonobo-activation-server : could not associate with desktop session https://bugs.launchpad.net/bugs/293970 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs