Hello, i am seeing the same behaviour, hrtimer_start_range_ns causes more than 2000 wakups:
87.4% (2002.0) <kernel core> : hrtimer_start_range_ns (tick_sched_timer) 7.6% (174.2) <interrupt> : ahci 1.3% ( 30.2) <interrupt> : iwlagn 1.2% ( 27.2) <interrupt> : acpi 0.7% ( 15.8) <kernel IPI> : Rescheduling interrupts 0.6% ( 13.8) firefox : hrtimer_start_range_ns (hrtimer_wakeup) 0.2% ( 5.4) thunderbird-bin : hrtimer_start_range_ns (hrtimer_wakeup) 0.2% ( 3.8) plasma : hrtimer_start_range_ns (hrtimer_wakeup) 0.1% ( 3.0) <interrupt> : i915 This happens with kernels 2.6.29.4 - 2.6.30-rc7-git1. If you need more Info, tell me, i am happy to provide if i can. -- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs