Confirmed that stopping (and removing) the vino vnc server solved this issue for me as well. It's a very strange symptom though.
Also of note: nVidia 8600GT here. -- MASTER: xorg high cpu usage, general system sluggishness https://bugs.launchpad.net/bugs/294972 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