#0  get_iter_from_path (path=0xb97f4750 "/org/bluez/959/hci0/dev_00_1C_EF_D5_16_4C", iter=0xbfa56180, store=<error reading variable: Cannot access memory at address 0x8>) at bluetooth-client.c:171
  [Error: bluetooth-client.c was not found in source tree]
#1  proxy_g_signal (proxy=0xb98f0278, sender_name=0xb99ceb68 ":1.2", signal_name=0xb9a66d90 "PropertyChanged", parameters=0xb9723d18, client=0xb97786a0) at bluetooth-client.c:248
  [Error: bluetooth-client.c was not found in source tree]
#2  0xb66d548e in ffi_call_SYSV () at ../src/x86/sysv.S:64
  [Error: ../src/x86/sysv.S was not found in source tree]
#3  0xb66d51ef in ffi_call (cif=cif@entry=0xbfa56314, fn=fn@entry=0xa854ddf0 <proxy_g_signal>, rvalue=0xbfa56290, avalue=avalue@entry=0xbfa56230) at ../src/x86/ffi.c:413
  [Error: ../src/x86/ffi.c was not found in source tree]
#4  0xb6e1015c in g_cclosure_marshal_generic (closure=closure@entry=0xb99371e0, return_gvalue=return_gvalue@entry=0x0, n_param_values=n_param_values@entry=4, param_values=param_values@entry=0xbfa564c0, invocation_hint=invocation_hint@entry=0xbfa5646c, marshal_data=marshal_data@entry=0x0) at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:1454
  [Error: /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c was not found in source tree]
#5  0xb6e0f826 in g_closure_invoke (closure=0xb99371e0, return_value=return_value@entry=0x0, n_param_values=4, param_values=param_values@entry=0xbfa564c0, invocation_hint=invocation_hint@entry=0xbfa5646c) at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
  [Error: /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c was not found in source tree]
#6  0xb6e2161f in signal_emit_unlocked_R (node=node@entry=0xb95be8e0, detail=detail@entry=0, instance=instance@entry=0xb98f0278, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0xbfa564c0) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551
  [Error: /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c was not found in source tree]
#7  0xb6e29732 in g_signal_emit_valist (instance=instance@entry=0xb98f0278, signal_id=signal_id@entry=142, detail=detail@entry=0, var_args=0xbfa566e8 "\226\002uP", var_args@entry=0xbfa566dc "") at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
  [Error: /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c was not found in source tree]
#8  0xb6e298b3 in g_signal_emit (instance=instance@entry=0xb98f0278, signal_id=142, detail=detail@entry=0) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
  [Error: /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c was not found in source tree]
#9  0xb6f20b7f in on_signal_received (connection=0xb97d60f0, sender_name=0xb5906d00 ":1.2", object_path=0xb5902c00 "/org/bluez/959/hci0/dev_00_1C_EF_D5_16_4C", interface_name=0xb5902c78 "org.bluez.Headset", signal_name=0xb5905e00 "PropertyChanged", parameters=0xb9723d18, user_data=0xb9759bc0) at /build/buildd/glib2.0-2.34.0/./gio/gdbusproxy.c:927
  [Error: /build/buildd/glib2.0-2.34.0/./gio/gdbusproxy.c was not found in source tree]
#10 0xb6f0eb46 in emit_signal_instance_in_idle_cb (data=data@entry=0xb5908538) at /build/buildd/glib2.0-2.34.0/./gio/gdbusconnection.c:3715
  [Error: /build/buildd/glib2.0-2.34.0/./gio/gdbusconnection.c was not found in source tree]
#11 0xb6d4ac30 in g_idle_dispatch (source=source@entry=0xb5906dc8, callback=0xb6f0eab0 <emit_signal_instance_in_idle_cb>, user_data=0xb5908538) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:4806
  [Error: /build/buildd/glib2.0-2.34.0/./glib/gmain.c was not found in source tree]
#12 0xb6d4d9e3 in g_main_dispatch (context=0xb9591860) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
  [Error: /build/buildd/glib2.0-2.34.0/./glib/gmain.c was not found in source tree]
#13 g_main_context_dispatch (context=context@entry=0xb9591860) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
  [Error: /build/buildd/glib2.0-2.34.0/./glib/gmain.c was not found in source tree]
#14 0xb6d4dd80 in g_main_context_iterate (context=context@entry=0xb9591860, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
  [Error: /build/buildd/glib2.0-2.34.0/./glib/gmain.c was not found in source tree]
#15 0xb6d4de61 in g_main_context_iteration (context=0xb9591860, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
  [Error: /build/buildd/glib2.0-2.34.0/./glib/gmain.c was not found in source tree]
#16 0xb6eeca9c in g_application_run (application=0xb97d6068, argc=argc@entry=2, argv=0xbfa56994) at /build/buildd/glib2.0-2.34.0/./gio/gapplication.c:1620
  [Error: /build/buildd/glib2.0-2.34.0/./gio/gapplication.c was not found in source tree]
#17 0xb770c8df in main (argc=2, argv=0xbfa56994) at control-center.c:207
  202:   g_signal_connect (application, "startup",
  203:                     G_CALLBACK (application_startup_cb), shell);
  204:   g_signal_connect (application, "command-line",
  205:                     G_CALLBACK (application_command_line_cb), shell);
  206: 
  207:   status = g_application_run (G_APPLICATION (application), argc, argv);
  208: 
  209:   g_object_unref (application);
  210: 
  211:   return status;
  212: }