The latest duplicated is on ATI (see https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/766662) and is from the 20 april (no change in trunk since). So not nouveau related
The latest duplicated is on ATI (see https:/ /bugs.launchpad .net/ubuntu/ +source/ compiz/ +bug/766662) and is from the 20 april (no change in trunk since). So not nouveau related