When starting the stroke recognition utility, there is no way to close it except to kill the process itself. Please see BUG ID: 3093 for a similar issue. Build: core-image-sato-qemux86 Commit: e5c3513ca8abb21eb5e9b8c19d1b9199b14ae07c The nightly build: http://autobuilder.yoctoproject.org/pub/nightly/20120916-2
We've fixed this by removing matchbox-stroke.
Verified in master:7d22ef28e64de06b6238d0ef9b664c0bee6efa46