Same problem! VERY frustrating to see that in Karmic. I am on Samsung X460 and my battery life is not where it should be. I've disabled wireless and unloaded it's module but it did not make any difference.
Wakeups-from-idle per second : 403.2 interval: 10.0s Power usage (ACPI estimate): 16.9W (3.7 hours) (long term: 19.4W,/3.2h) Top causes for wakeups: 24.3% (157.0) <kernel core> : hrtimer_start_range_ns (tick_sched_timer) 20.7% (133.7) <interrupt> : extra timer interrupt 16.2% (104.7) exe : hrtimer_start_range_ns (hrtimer_wakeup) 9.0% ( 57.9) <interrupt> : HDA Intel 7.5% ( 48.5) pulseaudio : hrtimer_start_range_ns (hrtimer_wakeup) 5.1% ( 33.2) <kernel IPI> : Rescheduling interrupts -- 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
