I already had tried this solution. In my case, the gnome keybindings plugin of compiz is freeing the system. It's a registered bug on the opencompositing bugtracker and the dev there say this plugin is not oficially supported by compiz.
-- keybindings gone in the wild https://bugs.launchpad.net/bugs/128274 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
