On Wed, Jul 10, 2013 at 11:40 AM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: >> Nope, that wasn't it. I am now only setting ISO_ASAP in the first >> packet, and I tried both leaving it as in on resubmit and clearing the >> flag prior to resubmit. > > usbmon is the best debugging tool at this point. http://www.devinheitmueller.com/em28xx_usbmon.log (only about 290KB). I'm just starting to read through it now, but figured it would be better to send it along while doing such. Probably the biggest issue at this point is that while I was definitely seeing the corruption on the screen while creating the trace, I don't yet have a way to correlate that corruption to a particular spot in the usbmon trace. Devin -- Devin J. Heitmueller - Kernel Labs http://www.kernellabs.com -- 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