I worked up a patch to disable Windows 8 compatibility on this machine (and the ThinkPad T430s as well since it was reported to have the same issue on the upstream bug report). A test build is available at:
http://people.canonical.com/~sforshee/lp1098216/linux-3.8.0-0.3~lp1098216v201301141657/ ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Seth Forshee (sforshee) ** Changed in: linux (Ubuntu) Status: Triaged => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1098216 Title: Regression in brightness control on Lenovo Thinkpad x230 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1098216/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
