I just had this problem, and it seems to be the Legacy Fullscreen Support in the Workarounds of Compiz. disabling it fixed this problem, and re-enabling it makes the problem come back 100% of the time.
I just had this problem, and it seems to be the Legacy Fullscreen Support in the Workarounds of Compiz. disabling it fixed this problem, and re-enabling it makes the problem come back 100% of the time.