I also have this issue, as with the OP using a mouse to disconnect and reconnect through the bluetooth preferences applet brings the keyboard back to life.
Using karmic up to date as of today with standard x86 hardware.
I also have this issue, as with the OP using a mouse to disconnect and reconnect through the bluetooth preferences applet brings the keyboard back to life.
Using karmic up to date as of today with standard x86 hardware.