I've tested with both v4.7-rc1 and v4.7-rc3 and saw the same results as with the stock 14.04, 14.04.4, and 16.04 kernels. If it ever worked properly, I'm not sure when it was. (We initially misinterpreted the problem as a mis-labeled USB port, so I'm not sure how far back the problem goes.)
** Tags added: kernel-bug-exists-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1593291 Title: USB 2 vs. 3 device mapping is inconsistent To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1593291/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs