Mobile Users Beware: Linux Has Major Power Regression
Apr 24, 2011, 03:04 (6 Talkback[s])
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"Compared to Ubuntu 10.10, the power consumption on Ubuntu 11.04
for mobile devices is up about 10% on average but under some
workloads, I am seeing the power consumption up by nearly 30%.
"This is happening on many mobile systems spanning multiple
generations of Intel CPUs and with Intel / ATI / NVIDIA graphics.
This issue has been tracked down to a frightening kernel regression
in the mainline tree that is still not addressed."