Hi all I am using ubuntu 9.04 32 bit version on Sony-vaio vgn with 64 bit processor. I am attaching the powertop output and output of /cat/proc/interrupts in 5 mins time interval. The problem is that kernel ipi interrupts and interrupts from from keyboard/mouse/touchpad are very high and so the wake-ups from idle are as high as 400 per sec (sometimes even 500). This is ruining my battery life. When I am using vista laptop runs for at least 4hrs with full load and on ubuntu with nominal usage also it doesnt run for more than 2hrs max. Power consumption is also high .(25-30 watts)
Kindly help me fix this issue. If more info is needed please tell me i'll add it too. Regards Vrinda
powertop
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proc-interrupts
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