the issue was caused by conflict with package 'hibernate' [code]sudo apt-get remove hibernate[/code] solves the problem.
however please notice that package [B]hibernate [/B]is required by [B ]laptop-mode-tools[/B] for the auto shutdown at low battery levels feature. ** Changed in: linux-meta (Ubuntu) Status: Incomplete => Invalid ** Changed in: linux-source-2.6.22 (Ubuntu) Status: New => Invalid -- standby does not work any more https://bugs.launchpad.net/bugs/151241 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