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Bug Power Linux

Linux Kernel Suffering Power Management Regression? 186

An anonymous reader writes "It appears that there's a big power management regression in the Linux kernel for the 2.6.38 and 2.6.39 development releases, including the kernel to ship with Ubuntu 11.04 next week. It's reportedly causing a 10~30% increase in power consumption on many laptop computers."
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Linux Kernel Suffering Power Management Regression?

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I have a theory that it's impossible to prove anything, but I can't prove it.