Same issue. And this is something recent because I was tuning my battery mode and I am sure it wasn't there before. I've recently updated the kernel and installed thunderbird.
** Attachment added: ""powertop -d" output" http://launchpadlibrarian.net/51889767/powertop -- desktopcouch-service has a high number of cpu wakeups https://bugs.launchpad.net/bugs/578219 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs