Haswell too! (with WiFi adapter enabled)

Date: 2016-04-14 03:55 pm (UTC)
From: (Anonymous)
Hi Matthew,
Same thing happens on older microarchitectures too. My laptop (Acer C720) is able to reach pc7 if I 'rmmod ath9k'. With ath9k loaded it is limited to pc3 (but cc7). That happens even if I enable power savings on the ath9k module (
which seems to cause full system crashes from time to time)(!).

Thankfully the battery life is still pretty good (7~10 hours).
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Matthew Garrett

About Matthew

Power management, mobile and firmware developer on Linux. Security developer at Google. Ex-biologist. @mjg59 on Twitter. Content here should not be interpreted as the opinion of my employer.

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