This bug appears to be related to (although not strictly a duplicate of) <a href="https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/291467">#291467</a>.
This bug appears to be related to (although not strictly a duplicate of) <a href="https:/ /bugs.launchpad .net/ubuntu/ +source/ compiz/ +bug/291467">#291467</a>.