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This is on my Sony Vaio SRX87, running Ubuntu 5.10. Frequency scaling (SpeedStep) appears to be working correctly.

Is it just because the battery's getting old? I picked up the laptop in September 2002, so it's almost 4 years old. Do I need to buy a new battery, or can I recondition this one somehow?


Time for a new battery.

Also ensure that Ubuntu is set for the "on demand" CPU governor ("Performance Profile") (if available) in both battery and AC powered modes (right click on the power/battery icon).

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(It also reckons that it'll take over an hour to recharge those 11 minutes of battery, but that could be a bug in Ubuntu -- I saw it claiming a couple of thousand hours to recharge the battery a week or so ago).

That info comes from the battery itself, so it's probably not far off. Time for a replacement battery, methinks.

Cheers