#0  0x00007f066a4a9227 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
  [Error: raise.c was not found in source tree]
#1  0x00007f066a4aae8a in __GI_abort () at abort.c:89
  [Error: abort.c was not found in source tree]
#2  0x00007f066ba36f5e in pa_cvolume_set (a=a@entry=0x7ffceef814d0, channels=<optimized out>, v=<optimized out>) at pulse/volume.c:74
  69: 
  70: pa_cvolume* pa_cvolume_set(pa_cvolume *a, unsigned channels, pa_volume_t v) {
  71:     int i;
  72: 
  73:     pa_assert(a);
  74:     pa_assert(pa_channels_valid(channels));
  75: 
  76:     a->channels = (uint8_t) channels;
  77: 
  78:     for (i = 0; i < a->channels; i++)
  79:         /* Clamp in case there is stale data that exceeds the current
#3  0x00007f065475076b in transport_speaker_gain_changed_cb (y=<optimized out>, t=<optimized out>, u=0xc170f0) at modules/bluetooth/module-bluez5-device.c:2369
  2364: 
  2365:     /* increment volume by one to correct rounding errors */
  2366:     if (volume < PA_VOLUME_NORM)
  2367:         volume++;
  2368: 
  2369:     pa_cvolume_set(&v, u->sample_spec.channels, volume);
  2370:     pa_sink_volume_changed(u->sink, &v);
  2371: 
  2372:     return PA_HOOK_OK;
  2373: }
  2374: 
#4  0x00007f066bcbebbc in pa_hook_fire (hook=0xc705d8, data=data@entry=0xc49d50) at pulsecore/hook-list.c:104
   99: 
  100:     PA_LLIST_FOREACH(slot, hook->slots) {
  101:         if (slot->dead)
  102:             continue;
  103: 
  104:         if ((result = slot->callback(hook->data, data, slot->data)) != PA_HOOK_OK)
  105:             break;
  106:     }
  107: 
  108:     hook->n_firing --;
  109:     pa_assert(hook->n_firing >= 0);
#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
  239:           t->speaker_gain = gain;
  240:           pa_hook_fire(pa_bluetooth_discovery_hook(t->device->discovery, PA_BLUETOOTH_HOOK_TRANSPORT_SPEAKER_GAIN_CHANGED), t);
  241: 
  242:         } else if (sscanf(buf, "AT+VGM=%d", &gain) == 1) {
  243:           t->microphone_gain = gain;
  244:           pa_hook_fire(pa_bluetooth_discovery_hook(t->device->discovery, PA_BLUETOOTH_HOOK_TRANSPORT_MICROPHONE_GAIN_CHANGED), t);
  245:         }
  246: 
  247:         pa_log_debug("RFCOMM >> OK");
  248: 
  249:         len = write(fd, "\r\nOK\r\n", 6);
#6  0x00007f066b7f00f7 in dispatch_pollfds (m=0xbd2170) at pulse/mainloop.c:655
  650:             continue;
  651: 
  652:         pa_assert(e->pollfd->fd == e->fd);
  653:         pa_assert(e->callback);
  654: 
  655:         e->callback(&m->api, e, e->fd, map_flags_from_libc(e->pollfd->revents), e->userdata);
  656:         e->pollfd->revents = 0;
  657:         r++;
  658:         k--;
  659:     }
  660: 
#7  pa_mainloop_dispatch (m=m@entry=0xbd2170) at pulse/mainloop.c:898
  893: 
  894:         if (m->quit)
  895:             goto quit;
  896: 
  897:         if (m->poll_func_ret > 0)
  898:             dispatched += dispatch_pollfds(m);
  899:     }
  900: 
  901:     if (m->quit)
  902:         goto quit;
  903: 
#8  0x00007f066b7f04fc in pa_mainloop_iterate (m=0xbd2170, block=<optimized out>, retval=0x7ffceef818d8) at pulse/mainloop.c:929
  924:         goto quit;
  925: 
  926:     if ((r = pa_mainloop_poll(m)) < 0)
  927:         goto quit;
  928: 
  929:     if ((r = pa_mainloop_dispatch(m)) < 0)
  930:         goto quit;
  931: 
  932:     return r;
  933: 
  934: quit:
#9  0x00007f066b7f05a0 in pa_mainloop_run (m=m@entry=0xbd2170, retval=retval@entry=0x7ffceef818d8) at pulse/mainloop.c:944
  939: }
  940: 
  941: int pa_mainloop_run(pa_mainloop *m, int *retval) {
  942:     int r;
  943: 
  944:     while ((r = pa_mainloop_iterate(m, 1, retval)) >= 0)
  945:         ;
  946: 
  947:     if (r == -2)
  948:         return 1;
  949:     else
#10 0x0000000000406f95 in main (argc=<optimized out>, argv=<optimized out>) at daemon/main.c:1152
  1147: #ifdef HAVE_SYSTEMD_DAEMON
  1148:     sd_notify(0, "READY=1");
  1149: #endif
  1150: 
  1151:     retval = 0;
  1152:     if (pa_mainloop_run(mainloop, &retval) < 0)
  1153:         goto finish;
  1154: 
  1155:     pa_log_info("Daemon shutdown initiated.");
  1156: 
  1157: #ifdef HAVE_SYSTEMD_DAEMON