Hello,
I'm suffering too from the shortening of the battery's life. Powertop reports
the following data:
PowerTOP version 1.13 (C) 2007 Intel Corporation
Cn Residencia media Estados P (frecuencias)
C0 (cpu ejecutando) ( 9,8%) 1,67 Ghz 11,3%
sondeando 28,6ms ( 0,2% 1333 Mhz 2,0%
C1 mwait 0,2ms ( 0,4%) 1000 Mhz 86,7%
C2 mwait 0,8ms (11,9%)
C4 mwait 2,1ms (77,7%)
Despertares por segundo: 536,2 intervalo: 15,0s
Consumo de energía (estimado por ACPI): 10,0W (0,3 horas) (largo plazo:
6,5W,/0,5h)
Causas principales de despertares:
26,9% (156,3) [tiempo de interrupción extra]
16,7% ( 96,9) plugin-containe
15,8% ( 91,6) PS/2 teclado/ratón/touchpad interrupción
10,3% ( 60,1) [i915] <interrupción>
8,0% ( 46,5) [iwlagn] <interrupción>
5,0% ( 29,3) [planificador del núcleo] Tick del balanceo de carga
5,0% ( 29,1) kworker/0:0
0,1% ( 0,5)D upowerd
3,0% ( 17,6) compiz
2,3% ( 13,2) firefox-bin
1,8% ( 10,6) [ahci] <interrupción>
"i915" and "extra timer interrupt" are always at the very top of the list. My
computer is an ASUS EEEPC 1005PE with an Intel Wi-Fi Link 5300 card.
The kernel version I'm using is 2.6.38-8-generic #42-Ubuntu SMP
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https://bugs.launchpad.net/bugs/760131
Title:
Power consumption raised significantly in natty
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