Hi, 2017-05-11 20:45 GMT+00:00 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>: > On Thu, 11 May 2017, Cristian wrote: > >> Hi, >> >> Attach dmesg >> [ 968.998463] usb 3-4: unable to get BOS descriptor >> [ 968.999477] usb 3-4: config 1 has an invalid descriptor of length >> 1, skipping remainder of the config >> [ 968.999483] usb 3-4: config 1 has 0 interfaces, different from the >> descriptor's value: 1 >> [ 969.001897] usb 3-4: language id specifier not provided by device, >> defaulting to English > > It looks like your device didn't work right the first time you plugged > it in. But it worked correctly the second time, on a different port, > according to the log attached to your email. Maybe port 4 is bad. > > Does this happen often? This does not happen often. -- Cristian -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html