Have you tried to uninstall Ubuntu One with Mono libraries, the problem is that Powertop does not show sometimes what causes the ticks other than kernel. For me, it was solved by removing clutter.
-- karmic: wakeups <kernel core> : hrtimer_start_range_ns (tick_sched_timer) https://bugs.launchpad.net/bugs/373245 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
