#0  adjust_rates (u=0x927130) at modules/module-loopback.c:166
        buffer = <optimized out>
        fs = <optimized out>
        old_rate = <optimized out>
        base_rate = <optimized out>
        new_rate = <optimized out>
        buffer_latency = <optimized out>
        __func__ = "adjust_rates"
        __PRETTY_FUNCTION__ = "adjust_rates"
#1  0x00007fd40a9d2638 in sink_input_process_msg_cb (obj=0x8ea910, code=10, data=0x0, offset=0, chunk=0x0) at modules/module-loopback.c:522
        u = 0x927130
        __func__ = "sink_input_process_msg_cb"
        __PRETTY_FUNCTION__ = "sink_input_process_msg_cb"
#2  0x00007fd41c151325 in pa_asyncmsgq_flush (a=0x8c2720, run=true) at pulsecore/asyncmsgq.c:347
        data = 0x0
        chunk = {memblock = 0x0, index = 0, length = 0}
        ret = <optimized out>
        object = 0x8ea910
        code = 10
        offset = 0
        __func__ = "pa_asyncmsgq_flush"
        __PRETTY_FUNCTION__ = "pa_asyncmsgq_flush"
#3  0x00007fd41c19c548 in pa_thread_mq_done (q=0x8eda00) at pulsecore/thread-mq.c:107
        __func__ = "pa_thread_mq_done"
        __PRETTY_FUNCTION__ = "pa_thread_mq_done"
#4  0x00007fd40a7cc0bb in module_null_sink_LTX_pa__done (m=<optimized out>) at modules/module-null-sink.c:360
        u = 0x8ed9e0
        __func__ = "module_null_sink_LTX_pa__done"
        __PRETTY_FUNCTION__ = "module_null_sink_LTX_pa__done"
#5  0x00007fd41c163bc9 in pa_module_free (m=0x874290) at pulsecore/module.c:162
        __func__ = "pa_module_free"
        __PRETTY_FUNCTION__ = "pa_module_free"
#6  0x00007fd41c164538 in pa_module_unload_all (c=0x815b80) at pulsecore/module.c:210
        m = <optimized out>
        __func__ = "pa_module_unload_all"
        __PRETTY_FUNCTION__ = "pa_module_unload_all"
#7  0x0000000000406013 in main (argc=<optimized out>, argv=<optimized out>) at daemon/main.c:1162
        c = <optimized out>
        buf = <optimized out>
        conf = 0x810060
        mainloop = <optimized out>
        s = <optimized out>
        configured_address = 0x815b80 "\001"
        r = <optimized out>
        retval = 0
        d = 3
        valid_pid_file = <optimized out>
        ltdl_init = true
        passed_fd = <optimized out>
        e = <optimized out>
        daemon_pipe = {-1, -1}
        daemon_pipe2 = {-1, -1}
        autospawn_fd = -1
        autospawn_locked = <optimized out>
        server_lookup = <optimized out>
        lookup_service_bus = <optimized out>
        server_bus = <optimized out>
        start_server = <optimized out>
        __func__ = "main"
        __PRETTY_FUNCTION__ = "main"