Thanks, it turns out apparently to be a disk and usb bus relationship issue. I ended up doing the fix outlined in this post last night. My Patriot X-Porter 2GB disk apparently needed the usb stop/start cycle in this situation. Attempts at extending usb_rootdelay up to 25 did not work. This behavior was identical on two different Dockstars, with two different X-Porter disks. Just for anyone folby donv - uBoot