On Mon, Aug 01, 2016 at 09:49:03PM -0400, Michael Butler wrote: > In the non-SMP case, ADAPTIVE_MUTEXES is not defined and a subsequent > reference to mtx_delay causes compilation of kern_mutex.c to fail > because KDTRACE_HOOKS may be, > Indeed, fixed in r303655. Thanks for reporting. -- Mateusz Guzik <mjguzik gmail.com>