Observing the same with HS23. I believe that it has nothing to do with kernel.
Spotted #1371403 and fixed this by adding /lib/udev/rules.d/95-ibm-amm- power-workaround.rules file with the following content: ACTION=="add", SUBSYSTEM=="usb", ATTR{idVendor}=="04b3", ATTR{idProduct}=="4002", TEST=="power/control", ATTR{power/control}="on" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1304537 Title: USB Keyboard MM2 IBM - no input after Installation To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1304537/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs