On Fri, 1 May 2009, Daiki Ueno wrote: > Hello, > > I have used gadgetfs to develop USB gadgets and am mostly happy with it. > > However, after I upgraded the kernel from 2.6.26 to 2.6.29, my gadget > stops working; the client always returns EAGAIN when writing to an > endpoint the gadget opens. > > To see what's going wrong, I tried the original sample > http://www.linux-usb.org/gadget/usb.c, and I see the same symptom. It looks like there's a problem in your program. if (usb_bulk_write (handle, 3, data, sizeof(data), -1) < 0) { perror ("usb_bulk_write"); ... -1 is not a valid timeout value. Try using something more reasonable, such as 100. 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
