Have you tried 9-STABLE to see if the xhci bug is fixed there? It looks like some patches were committed for it, but not until after the change freeze for 9.2-R

Have you tried 9-STABLE to see if the xhci bug is fixed there? It looks like some patches were committed for it, but not until after the change freeze for 9.2-RELEASE: http://www.freebsd.org/cgi/query-pr.cgi?pr=181159&cat= http://www.freebsd.org/cgi/query-pr.cgi?pr=181159&cat= If the problem is fixed in 9-STABLE, but you're only deploying RELEASE builds, 9.3-RELEASE should be available in a few months: http://www.freebsd.org/releases/9.3R/schedule.html http://www.freebsd.org/releases/9.3R/schedule.html