Okay, so. This original defect was opened on precise. However the kernel listed was a 3.5 rev.
I tested the following kernels and see that now the battery key does nothing no even logged with udevadm monitor: quantal: 3.5.0.0300 quantal: 3.5.0.17 quantal: 3.5.0.22 raring: 3.8.0-1 This seems to be broken upstream. ** Tags removed: needs-upstream-testing precise ** Tags added: kernel-bug-exists-upstream quantal ** Changed in: linux (Ubuntu Precise) Status: New => Invalid ** Changed in: linux (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1056401 Title: [Lenovo x230, Thinkpad L530, T530, T430s] Battery button doesn't function To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1056401/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs