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High GPU load on Intel Haswell using Ubuntu 14.04

On my Sony Vaio with Intel Haswell GPU the system gets hot with no cpu load. My fan is speeding up all the time. Graphic controller: Intel Corporation Haswell-ULT Integrated Graphics Controller ...
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votes
3answers
1k views

Powertop is reporting 0 wakeups/second - can this be right?

I'm investigating tweaking my power consumption performance on Ubuntu. When I run Powertop, the output seems strange, and not much like any of the screenshots I see on the web. That might be ...