> I have no idea what kernel release Ubuntu is using, but I suggest, if > you have issues with that specific kernel, filing a bug with Ubuntu. > Otherwise, if you can run a kernel.org release, can you please try 3.14 > and see if that changes anything or not? > > thanks, > > greg k-h I think I have changed the kernel: uname -r 3.14.0-031400-generic But it has exactly the same problem. I will do a USB trace when I get time and post the results back here as requested. Thanks Russel -- 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