K 10 svn:author V 8 hselasky K 8 svn:date V 27 2016-08-05T08:58:00.972339Z K 7 svn:log V 216 Keep a reference count on USB keyboard polling to allow recursive cngrab() during a panic for example, similar to what the AT-keyboard driver is doing. Found by: Bruce Evans MFC after: 1 week END