Seems that after latest updates ( compiz 0.9.11.2 ) the problem has been solved . The funny thing is that the update has been release the same day of mine report.
** Changed in: compiz (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1348127 Title: compiz freeze after resume from suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1348127/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs