This appears to be a potentially related, but apparently different bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/818830
The person who posted comment #10 (Eric Liang) on that bug seems to actually be experiencing this bug. He is also using an X220 with a Sandy Bridge processor. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/834037 Title: Huge power regression in kernel 3.x on Sandy Bridge laptops To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/834037/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
