usb 5-1: new high speed USB device using ehci_hcd and address 4
usb 5-1: configuration #2 chosen from 1 choice
scsi3 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 4
usb-storage: waiting for device to settle before scanning
  Vendor: TOSHIBA   Model: MK4004GAH         Rev: JC00
  Type:   Direct-Access                      ANSI SCSI revision: 00
SCSI device sdb: 78126048 512-byte hdwr sectors (40001 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 4a 00 00
sdb: assuming drive cache: write through
SCSI device sdb: 78126048 512-byte hdwr sectors (40001 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 4a 00 00
sdb: assuming drive cache: write through
 sdb: sdb1
sd 3:0:0:0: Attached scsi disk sdb
sd 3:0:0:0: Attached scsi generic sg1 type 0
usb-storage: device scan complete
FAT: Filesystem panic (dev sdb1)
    fat_free_clusters: deleting FAT entry beyond EOF
    File system has been set read-only