I got the solution for my specific problem. Long time ago I add an line to the /etc/init.d/acpid file to prohibit the whinning noise of my Macbook. This line caused the problem.
-- acpid fails to upgrade https://bugs.launchpad.net/bugs/221981 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
