hi, All I am developing BLE for our production, but a issue blocks me: < HCI Command: LE Start Encryption (0x08|0x0019) plen 28 > HCI Event: Command Status (0x0f) plen 4 LE Start Encryption (0x08|0x0019) status 0x00 ncmd 1 > HCI Event: Encrypt Change (0x08) plen 4 status 0x08 handle 64 encrypt 0x00 Error: Connection Timeout > HCI Event: Disconn Complete (0x05) plen 4 status 0x00 handle 64 reason 0x08 Reason: Connection Timeout > HCI Event: Number of Completed Packets (0x13) plen 5 handle 64 packets 1 Does anyone have some clue why this happen? Thanks a lot! Yuanbo -- Janboe Ye -- 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