This recent bug report is possibly related:
> I can suspend the computer with the laptop keyboard and, upon waking, > the laptop keyboard does not type characters into the password box. > Then I connect the external keyboard and I CAN enter the password and > get to the desktop.
https://bugs.launchpad.net/ubuntu/+bug/2060736
This recent bug report is possibly related:
> I can suspend the computer with the laptop keyboard and, upon waking,
> the laptop keyboard does not type characters into the password box.
> Then I connect the external keyboard and I CAN enter the password and
> get to the desktop.
https:/ /bugs.launchpad .net/ubuntu/ +bug/2060736