Hi Seulki, > Recently, I have noticed supervision timeout is not enough to pair devices. > > How can I configure supervision timeout? Is there any configuration file? > > First, I have checked "main.conf" but I couldn't find any related properties. > I also found /sys/kernel/debug/bluetooth/hci0 has a bunch of system settings. > But I am not sure editing those files is a right approach. the supervision timeout will trigger if the baseband will not even ack packets. A longer timeout is most likely not going to help you either to pair. Why do you think it would? Can you provide btmon traces to see why a disconnect is happening? Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html