Looks like the bug is similar with bug 877713, LiLi did not reproduce the bug on W510 with oneric kernel.
so mark it as invalid. ** Changed in: linux (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/877562 Title: [Thinkpad T420s/T510] Using Wi-Fi Slider Switch causes total system crash, requires hard reset to resolve To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/877562/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs