Super + S is causing the workspace switcher which isn't gonna let anything new be created most likely, which is why that happens. This is an interesting bug.. it affects me as well, even though its never been an issue until i read this report and tried it.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/758242 Title: Unity super+d shortcut behaves differenly depending on speed of keypresses -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs