built latest kernel 2.6.39-rc5 from latest sources and powertop shows normal values for power utilization again.
processors show 99 percent C6 mwait residency, full charge battery estimate is up to 3 hours compared to 50 percent C6 mwait and 1.2 hours off a full charge ** Attachment added: ".config from my kernel build" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/760131/+attachment/2099808/+files/config-2.6.39-rc5_Natty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/760131 Title: Power consumption raised significantly in natty -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs