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[Slavius <slavomir.danas@xxxxxxxxx>]

Just finished installing Arch Linux. No issue here:

Cn                Avg residency       P-states (frequencies)
C0 (cpu running)        ( 0.3%)
polling           0.0ms ( 0.0%)
C1 mwait          0.0ms ( 0.0%)
C3 mwait         38.4ms (99.7%)


Wakeups-from-idle per second : 26.0     interval: 20.0s
Power usage (5 minute ACPI estimate) :   0.2 W (263.2 hours left)

Top causes for wakeups:
  27.5% (  7.7)       <interrupt> : acpi
  18.8% (  5.2)      <kernel IPI> : Rescheduling interrupts
  13.2% (  3.7)       <interrupt> : extra timer interrupt
   7.0% (  1.9)       <interrupt> : ahci
   5.9% (  1.6)    gnome-terminal : schedule_hrtimeout_range (hrtimer_wakeup)
   4.3% (  1.2)      clock-applet : schedule_hrtimeout_range (hrtimer_wakeup)
   3.6% (  1.0)       <interrupt> : i915@pci:0000:00:02.0
   3.6% (  1.0)     <kernel core> : run_timer_softirq (sky2_watchdog)
   3.6% (  1.0)              ntpd : do_setitimer (it_real_fn)
   3.4% (  0.9)              Xorg : i915_add_request (delayed_work_timer_fn)
   1.6% (  0.5)      <kernel IPI> : TLB shootdowns
   1.4% (  0.4)     <kernel core> : neigh_periodic_timer (neigh_periodic_timer)
   0.9% (  0.2)            chrome : sys_epoll_wait (process_timeout)
   0.7% (  0.2)     <kernel core> : dev_watchdog (dev_watchdog)
   0.7% (  0.2)       gnome-panel : schedule_hrtimeout_range (hrtimer_wakeup)
   0.7% (  0.2)          nautilus : schedule_hrtimeout_range (hrtimer_wakeup)

package info:
xf86-video-intel 2.9.1-1
xorg-server 1.7.3-1

Linux slavius-laptop 2.6.31-ARCH #1 SMP PREEMPT Tue Nov 10 19:01:40 CET
2009 x86_64 Celeron(R) Dual-Core CPU T3000 @ 1.80GHz GenuineIntel
GNU/Linux

-- 
i915 causes huge amount of wakeups in powertop in karmic
https://bugs.launchpad.net/bugs/495596
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