See https://bugs.launchpad.net/ubuntu/+source/terminator/+bug/1294699 for an earlier instance of this same issue, and details of an upstream (cairo) bug report that is getting no attention for now.
See https:/ /bugs.launchpad .net/ubuntu/ +source/ terminator/ +bug/1294699 for an earlier instance of this same issue, and details of an upstream (cairo) bug report that is getting no attention for now.