For those who are still having problems with Compiz, particularly if you cannot get the titlebar to appear on your windows, I suggest using Metacity. This will give you a working desktop environment until a fix is released:
metacity --replace -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/711231 Title: compiz crashed with SIGSEGV in __pthread_mutex_lock() -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs