On Tue, Nov 27, 2012 at 12:20:42PM -0500, Alan Stern wrote: > The only thing that's strange is that there are so many dropped packets > and that they seem to fall into a small number of patterns. This > strongly suggests hardware issues. Daniel G., have you tried running > your tests on a different computer? Preferably with a different brand > of motherboard? What host controller were you running under? I know that some xHCI host controllers (NEC in particular) have pretty bad issues with missing service intervals on isochronous transfers. Sarah Sharp -- 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