On Mon, 7 Sep 2009, B.Vinai Kumar wrote: > Hi List, > > I have a usb full speed image capture device which have the following > configuration. > > It has one configuration descriptor, one interface descriptor and > one endpoint descriptor. > > The value of bNumEndpoints field of the interface descriptor > is zero. This device doesnot have any stream pipes, it has > got only control endpoint. The captured data is transfered > to the host through this control endpoint. The wMaxPacketSize > of control endpoint is 64. When I connect this device under linux > host the core dumps the following messages during enumeration(while parsing the > configuration descriptors). > > "config 1 interface 0 altsetting 0 has an invalid endpoint with > address 0x0, skipping" > "config 1 interface 0 altsetting 0 has 1 endpoint descriptor, > different from the interface descriptor's value: 0" > > I'am not able to use this device. > In windows this device is enumerating and working properly. > > I'am using linux kernel version 2.6.15 and also checked under 2.6.24 > kernel version too. > > Is there any fix for this. Please help me. Please post a usbmon trace showing what happens when you plug in this device. Instructions can be found in the kernel source file Documentation/usb/usbmon.txt. 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
