On Tue, 3 Sep 2013, joe M wrote: > output of passing cases (when the device is connected directly to a > 1.1 PCI USB card): working-lsusb-v_of_the_device_only.txt, > working-lsusb-t_and_lsusb-v.txt Looking at the lsusb -v output for your device, I noticed that although there are 3 configuration descriptors, two of them have bConfigurationValue equal to 1 (and have iConfiguration strings saying "First"). The third has bConfigurationValue equal to 2 and iConfiguration string saying "Second". This is likely to cause trouble somewhere down the line. Alan Stern -- 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