On Fri, 7 Mar 2014, David Mosberger wrote: > Felipe, > > Thanks for the tip about usbmon --- that looks interesting. Of > course, as luck would have it, turning on usbmon changes behavior: > dd'ing to a mass-storage device (/dev/sda1) used to fail after > ~500KiB. With usbmon, it fails only after about 2MiB. > > I attached two logs: first one is the usb-storage debug output without > usbmon (fails after about 500KB of writing to /dev/sda1), second is > with usbmon (fails about 2MiB of writing to /dev/sda1). I didn't see anything unusual in the logs. It looks like you'll have to use a bus analyzer to see the actual packets on the wire. 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
