Hi Graham, > I reverted my patch, then captured the btmon output while running > 'hciconfig hci0 up'. I'm running kernel version 4.4.38. Please see > attached. I just posted a patch that will skip the Set Event Mask Page 2 command in case nothing has to be modified. Maybe that will help you as well. Can you give a try. 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