~ $ sh /home/user/MyDocs/headphones2.sh process 27316: arguments to dbus_message_new_method_call() were incorrect, assertion "interface == NULL || _dbus_check_is_valid_interface (interface)" failed in file dbus-message.c line 1080. This is normally a bug in some application using the D-Bus library. process 27316: arguments to dbus_message_set_auto_start() were incorrect, assertion "message != NULL" failed in file dbus message.c line 2492. This is normalle a bug in some application using the D-Bus library. Couldn't allocate D-Bus message ~ $