cerr << "write of " << msglen << " failed, port holds "
<< jack_midi_get_event_count (jack_port_get_buffer (_jack_port, _nframes_this_cycle))
<< endl;
+ // PBD::stacktrace (cerr, 20);
}
} else {
cerr << "write to JACK midi port failed: not currently in a process cycle." << endl;