Unity dash does not invoke Onboard

The Onboard (keyboard) must be manually invoked when one presses the Super key and is presented with the Dash search box.

Expected behaviour: Onboard should automatically appear to facilitate text input into the Dash search box.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: unity 6.8.0-0ubuntu2nexus7.1 [origin: LP-PPA-ubuntu-nexus7]
Uname: Linux 3.1.10-7-nexus7 armv7l
ApportVersion: 2.6.1-0ubuntu3
Architecture: armhf
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CrashDB: unity
Date: Tue Nov 20 08:43:54 2012
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-newark-quantal-armhf-20121108-2
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)