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I'm looking for an official bugtracker entry (either ubuntu, or kernel) which tracks the story of power usage regression described in:

I couldn't find any actual links or articles about resolution of the problem. Any pointers to official sources would be appreciated.

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up vote 4 down vote accepted

Try looking at this link; it is the bug mentioned in Release notes for Natty, known issues:

You can help test the fix by going to this wiki page.

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That's exactly the one I was looking for. – viraptor May 14 '11 at 19:37

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