I'd like to mention that I just had exactly this problem with ubuntu-mate 14.04 ("trusty") compiz version 1:0.9.11.3+14.04.20150313-0ubuntu1.1
Disabling the place plugin "healed" the problem instantly.
I'd like to mention that I just had exactly this problem with ubuntu-mate 14.04 ("trusty") compiz version 1:0.9.11. 3+14.04. 20150313- 0ubuntu1. 1
Disabling the place plugin "healed" the problem instantly.