Have you tried running powertop http://www.linuxpowertop.org/ it should tell you what programs are waking up the most and maybe help you track this down?
~ Mike -- Random disk access, every second every day https://bugs.launchpad.net/bugs/35449 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs