I can confirm this.
Top causes for wakeups: 39,9% (491,1) <interrupt> : PS/2 keyboard/mouse/touchpad 16,3% (200,3) <interrupt> : extra timer interrupt 14,4% (177,7) <kernel IPI> : Rescheduling interrupts 9,8% (120,1) firefox : futex_wait (hrtimer_wakeup)
~/ uname -a Linux kwinz-laptop 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:58:03 UTC 2009 x86_64 GNU/Linux
I can confirm this.
Top causes for wakeups: mouse/touchpad
39,9% (491,1) <interrupt> : PS/2 keyboard/
16,3% (200,3) <interrupt> : extra timer interrupt
14,4% (177,7) <kernel IPI> : Rescheduling interrupts
9,8% (120,1) firefox : futex_wait (hrtimer_wakeup)
~/ uname -a
Linux kwinz-laptop 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:58:03 UTC 2009 x86_64 GNU/Linux