I've just cleared the problem again. This time it was locking the screen with CTRL+ALT+L that cleared it. I had disabled the put viewport right and left key at the time though.
More comments will follow as and when this affects me. -- ALT key moving windows into right workspace https://launchpad.net/bugs/69188 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
