It might be worth noting that I only have this problem at boot, and only with USB hubs. Other devices connected directly to PC work fine.
If I plug/unplug the hub, all attached devices are seen correctly, and work fine. Also hardware submission id for this machine is (without working USB devices): 81f3577cb048901b6de9030bd0cd86d5 -- USB devices are not recognized when having ehci_hcd modprobed https://bugs.launchpad.net/bugs/88746 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs