Hi again, The problem is related to the following bug:
https://bugs.launchpad.net/ubuntu/+bug/38915 -- X server hangs on logout when multiple sessions are opened https://bugs.launchpad.net/bugs/112282 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs