Hi, On Ubuntu 12.04 using Management OPS , when I launch the "Bluetooth New Device Setup" wizard, it does not show any device, but on console it will find LE Devices. Works good on Ubuntu 10.04. $ hcitool lescan Scanning ... 00:12:03:19:xx:yy Keyboard mgmt_start_discovery() returns write error "Unknown error 524" if (write(mgmt_sock, buf, sizeof(buf)) < 0) return -errno; Thanks, Vijay Member of the CSR plc group of companies. CSR plc registered in England and Wales, registered number 4187346, registered office Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, United Kingdom More information can be found at www.csr.com. Follow CSR on Twitter at http://twitter.com/CSR_PLC and read our blog at www.csr.com/blog -- 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