Alessandro, Please, create a bur report by running command ubuntu-bug linux And subscribe me to it. Also post there output of command sudo cat /sys/kernel/debug/usb/devices I found this device in Windows drivers, it is aslo AR3012. I will make a pathch, build a kernel, and you will test it. Please do not write here, regarding your issue. We can do it in your new report. 2015-01-15 13:21 GMT+03:00 Alessandro Languasco