#0  0x00007f066a4a9227 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
        resultvar = 0
        pid = 2513
        selftid = 2513
#1  0x00007f066a4aae8a in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7ffceef815ca, sa_sigaction = 0x7ffceef815ca}, sa_mask = {__val = {0, 0, 0, 0, 0, 529, 139663746531328, 0, 0, 842, 139665545421763, 18446744073709551615, 0, 18446603349391829841, 140724317721775, 4294967295}}, sa_flags = 1805872981, sa_restorer = 0x7f066ba73270}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f066ba36f5e in pa_cvolume_set (a=a@entry=0x7ffceef814d0, channels=<optimized out>, v=<optimized out>) at pulse/volume.c:74
        a = 0x7ffceef814d0
        channels = 0
        v = 52429
        i = <optimized out>
#3  0x00007f065475076b in transport_speaker_gain_changed_cb (y=<optimized out>, t=<optimized out>, u=0xc170f0) at modules/bluetooth/module-bluez5-device.c:2369
        volume = <optimized out>
        v = {channels = 40 '(', values = {48, 16, 48, 4009235888, 32764, 4009235696, 32764, 16, 0, 1794514297, 32518, 4009235900, 32764, 1463771248, 32518, 1463766229, 32518, 4009235664, 32764, 12762224, 0, 0, 0, 12916416, 0, 1803480538, 32518, 0, 1459617792, 983199744, 2608382886, 13261248}}
        gain = <optimized out>
#4  0x00007f066bcbebbc in pa_hook_fire (hook=0xc705d8, data=data@entry=0xc49d50) at pulsecore/hook-list.c:104
        slot = 0xc08420
        next = <optimized out>
        result = PA_HOOK_OK
        __func__ = "pa_hook_fire"
        __PRETTY_FUNCTION__ = "pa_hook_fire"
#5  0x00007f06573ef983 in rfcomm_io_callback (io=<optimized out>, e=<optimized out>, fd=22, events=<optimized out>, userdata=0xc49d50) at modules/bluetooth/backend-native.c:244
        buf = "AT+VGS=12\r\000\000\000\000\000\000X\000\000\000\000\000\000\000\320\370\310\000\000\000\000\000\320\370\310\000\000\000\000\000\000p\232:\246\303x\233\020\000\000\000\000\000\000\000\027\300te\006\177", '\000' <repeats 42 times>, "\020b\306", '\000' <repeats 21 times>, "\300=\275\000\000\000\000\000\370l\311k\001", '\000' <repeats 11 times>, "\001\000\000\000\006\177\000\000\200F\246k\006\177\000\000$\\\244k\006\177\000\000P\214\300\000\000\000\000\000y\035\366j\006\177\000\000\000\000\000\000\000\000\000\000"...
        len = <optimized out>
        gain = 12
        t = <optimized out>
        __func__ = "rfcomm_io_callback"
        __PRETTY_FUNCTION__ = "rfcomm_io_callback"
#6  0x00007f066b7f00f7 in dispatch_pollfds (m=0xbd2170) at pulse/mainloop.c:655
        e = 0xbf7e50
        k = 1
        r = 0
#7  pa_mainloop_dispatch (m=m@entry=0xbd2170) at pulse/mainloop.c:898
        dispatched = 0
        __func__ = "pa_mainloop_dispatch"
        __PRETTY_FUNCTION__ = "pa_mainloop_dispatch"
#8  0x00007f066b7f04fc in pa_mainloop_iterate (m=0xbd2170, block=<optimized out>, retval=0x7ffceef818d8) at pulse/mainloop.c:929
        r = 1
#9  0x00007f066b7f05a0 in pa_mainloop_run (m=m@entry=0xbd2170, retval=retval@entry=0x7ffceef818d8) at pulse/mainloop.c:944
        r = <optimized out>
#10 0x0000000000406f95 in main (argc=<optimized out>, argv=<optimized out>) at daemon/main.c:1152
        c = 0xbd2970
        buf = <optimized out>
        conf = 0xbcf070
        mainloop = 0xbd2170
        s = <optimized out>
        configured_address = 0xc0b1c0 "\004"
        r = <optimized out>
        retval = 0
        d = 3
        ltdl_init = true
        n_fds = <optimized out>
        passed_fds = <optimized out>
        e = <optimized out>
        daemon_pipe = {-1, -1}
        daemon_pipe2 = {-1, -1}
        pid_monitor = 0xbd1fb0
        autospawn_fd = -1
        autospawn_locked = false
        server_lookup = <optimized out>
        lookup_service_bus = <optimized out>
        server_bus = <optimized out>
        start_server = <optimized out>
        __func__ = "main"
        __PRETTY_FUNCTION__ = "main"