% dmesg (snip) umass0: Nikon Nikon Digital Camera ????, rev 1.10/1.00, addr 2 umass0: Get Max Lun not supported (STALLED) da0 at umass-sim0 bus 0 target 0 lun 0 da0: Removable Direct Access SCSI-2 device da0: 650KB/s transfers da0: 123MB (251904 512 byte sectors: 64H 32S/T 123C) % usbdevs -v Controller /dev/usb0: addr 1: self powered, config 1, OHCI root hub(0x0000), NEC(0x0000), rev 1.00 port 1 addr 2: self powered, config 1, product 0x0105(0x0105), Nikon(0x04b0), rev 1.00 port 2 powered