confirmed in vivid with 0.4.9.2+git20140410-0ubuntu3 (not surprising, this is the same version as utopic).
the pid is that of lxsession. only interesting thing in ~/.cache/lxsession/Lubuntu/run.log is at the end: Openbox-message: Requested key "XF86 Terminal" does not exist on the display (openbox:2555): GLib-CRITICAL **: Source ID 6 was not found when attempting to remove it These errors are not present in the same file in the normal user session. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1273524 Title: lxsession guest session shows error message "no session for pid <some number>" To manage notifications about this bug go to: https://bugs.launchpad.net/hundredpapercuts/+bug/1273524/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs