1) FUJIFIML FinePix F401 http://www.finepix.com/f401.html
2) 4.7-RELEASE-p1
3) dmesg の内容

umass0: Fuji Photo Film USB Mass Storage, rev 1.10/10.00, addr 4
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <FUJIFILM USB-DRIVEUNIT 1.00> Removable Direct Access SCSI-0 device 
da0: 150KB/s transfers
da0: 31MB (64000 512 byte sectors: 0H 0S/T 0C)

4) usbdevs -v の内容 

Controller /dev/usb0:
addr 1: self powered, config 1, UHCI root hub(0x0000), Intel(0x0000), rev 1.00
 port 1 powered
 port 2 addr 2: self powered, config 1, TUSB2046 hub(0x2046), Texas Instruments(0x0451), rev 1.25
  port 1 addr 3: low speed, power 48 mA, config 1, USB PowerDVD remote control(0x2001), vendor 0x0766(0x0766), rev 1.01
  port 2 powered
  port 3 powered
  port 4 addr 4: self powered, config 1, USB Mass Storage(0x0114), Fuji Photo Film(0x04cb), rev 10.00

5) 問題なく動作しました。