Hello Pratyush, > Does it not work for USB Ch.9 tests? I am trying to test the control > transactions of a HID device with testusb and I get the "Inappropriate > ioctl for device". I am not sure if it is something wrong with my > environment/setup or if testusb does not work anymore. > > my uname -a is: > Linux master 3.11.0-06855-g4de9ad9-dirty #32 SMP PREEMPT Sun Sep 8 > 22:13:51 CDT 2013 x86_64 Intel(R) Pentium(R) CPU G620 @ 2.60GHz > GenuineIntel GNU/Linux It is working now. I was unbinding the hid-generic driver and not the usbhid driver. Sorry for the bother, Joe -- 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