Failed to connect to SDP server

 sdptool browse local出现Failed to connect to SDP server on FF:FF:FF:00:00:00: No such file or  directory

尝试网上说的用--compat方式,并无效,可参考其中一个网页:https://bbs.archlinux.org/viewtopic.php?id=201672

大概流程如下:

 gedit /etc/systemd/system/dbus-org.bluez.service
改写ExecStart=/usr/lib/bluetooth/bluetoothd --compat
# systemctl daemon-reload
# systemctl restart bluetooth

但是还是RT的错误,暂时没有查到有用信息,有没有大神遇到同样的问题且有无解决办法?

多谢。