On Sat, 14 Nov 2009, Theodore Kilgore wrote: > Alan, > > Thanks. I will try putting a battery in the camera. Indeed, I have been > getting the power over the USB cable. I do not happen to own any USB hub, > neither powered nor unpowered. > > Oops, unfortunately the package of batteries on my desk has only one in > it. Only one is needed in these cameras, but when I stick that one in the > camera it starts flashing LO at me. The battery has died of old age, so > this test will need to wait until I can go out shopping for batteries. I > will report about the results when I can. You can buy a powered hub at the same time. :-) > > If that's not the case, perhaps you could post a pair of usbmon traces > > for the same camera, showing how it works with one controller but not > > with another. > > As to the usbmon output, let me know if what is in my previous message to > Oliver Neukom is sufficient. Yes, it is. Assuming that everything coming before the sections you included was essentially the same in the two tests. 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
