Comment 0 for bug 364639
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bbfa235
(Get the code!)
Radeon driver: 6.12.1 - Ubuntu Jaunty version
Using powertop to measure wakeups.
During normal mode, cpu enters c3-c4 states to save power.
Approx. 10 wakeups/s.
During screenblank this increases to approx 60/s.
running 'xset dpms force off'
Thus not letting the cpu enter c3-c4 states !
Hardware: Thinkpad T42, radeon 7500.