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[ubuntu] Powertop doesn't work

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linux-howto

http://ubuntuforums.org – Hi Folks, I'm unsing Ubuntu 11.10 and as an attempt to further optimize battery performance I decided to try powertop. I installed the package from software manager and then went to use it with the command: sudo powertop However, when I did this I got the following error messages: Cannot load from file /var/cache/powertop/saved_results.powertop Cannot load from file /var/cache/powertop/saved_parameters.powertop These messages are very briefly displayed (I could identify them only after I directed the output to a file) and then the terminal goes blank and back to the prompt. Oddly enough (Hardware)