This also affects me on 12.04 64-bit (Mythbuntu).
It used to work fine. A previous round of updates caused it to stop working but unplugging/replugging the USB adapter seemed to fix it. With the latest round of updates (to kernel 3.2.0-32) it's stopped working and unplugging/replugging doesn't fix it.
The keyboard's built-in trackball moves the mouse around fine, keyboard presses light up the LED activity indicator on the USB adapter but no keypresses are registered at the login prompt.
This also affects me on 12.04 64-bit (Mythbuntu). replugging the USB adapter seemed to fix it. With the latest round of updates (to kernel 3.2.0-32) it's stopped working and unplugging/ replugging doesn't fix it.
It used to work fine. A previous round of updates caused it to stop working but unplugging/
The keyboard's built-in trackball moves the mouse around fine, keyboard presses light up the LED activity indicator on the USB adapter but no keypresses are registered at the login prompt.