Hi, USBCV reports failure for InterfaceDescriptorTest with g_ether. The test has been done with Linux kernel 2.6.29. Tested on SDP with OMAP3430 Interface Descriptor test fails with the following logs. INFO Now Starting Test:Interface Descriptor Test (Configuration Index 1) INFO Bandwidth check passed INFO Testing Interface number : 0 Alternate setting : 0 INFO Interface descriptor length : 9 INFO Interface descriptor bDescriptorType : 4 INFO Interface descriptor bAlternateSetting : 0 INFO Interface descriptor bNumEndPoints: 1 INFO Interface descriptor bInterfaceClass reserved for assignment by the USB-IF : 2 INFO Interface class code indicates [CDC-Control] Interface INFO Interface descriptor bInterfaceSubClass : 6 INFO Device does not use a class-specific protocol on this interface INFO ENGLISH_US language string descriptor is : CDC Ethernet Control Model (ECM) INFO Testing Interface number : 1 Alternate setting : 0 INFO Interface descriptor length : 9 INFO Interface descriptor bDescriptorType : 4 INFO Interface descriptor bAlternateSetting : 0 INFO Interface descriptor bNumEndPoints: 0 INFO Interface descriptor bInterfaceClass reserved for assignment by the USB-IF : a INFO Interface class code indicates [CDC-Data] Interface INFO Interface descriptor bInterfaceSubClass : 0 INFO Device does not use a class-specific protocol on this interface INFO Interface descriptor iInterface : 0x0 FAIL (1.2.51) A successful GetInterface request must return the alternate setting set by a prior call to SetInterface. INFO Testing Interface number : 1 Alternate setting : 1 INFO Interface descriptor length : 9 INFO Interface descriptor bDescriptorType : 4 INFO Interface descriptor bAlternateSetting : 1 INFO Interface descriptor bNumEndPoints: 2 INFO Interface descriptor bInterfaceClass reserved for assignment by the USB-IF : a INFO Interface class code indicates [CDC-Data] Interface INFO Interface descriptor bInterfaceSubClass : 0 INFO Device does not use a class-specific protocol on this interface INFO ENGLISH_US language string descriptor is : CDC Ethernet Data INFO Stopping Test [ Interface Descriptor Test (Configuration Index 1): Number of: Fails (1); Aborts (0); Warnings (0) ] -- 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