On May 13, 2010, at 10:11 AM, Ron Madrid wrote: > This is the last (failing) transfer that occurs. The third > line is my app receiving information about the data it should > expect, and the size of the transfer in dwords, 0x7d0 (8000 > bytes). I then see, in subsequent lines, 7 * 1024 bytes > received (Bi) followed by 832 bytes received which totals up > to 8000 bytes. I suspect it's because that host controller is waiting for the end of the transfer. 832 bytes is an exact multiple of 64-bytes, which means that the the HC is waiting for a short packet, or up to your transfer size, which appears to be 1024. Rob. The information and any attached documents contained in this message may be confidential and/or legally privileged. The message is intended solely for the addressee(s). If you are not the intended recipient, you are hereby notified that any use, dissemination, or reproduction is strictly prohibited and may be unlawful. If you are not the intended recipient, please contact the sender immediately by return e-mail and destroy all copies of the original message. -- 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