debian sid 无法mount usb

asert

插上usb优盘后,
debian:~# dmesg |tail
hub.c: new USB device 00:10.2-1, assigned address 5
scsi2 : SCSI emulation for USB Mass Storage devices
  Vendor: SigmaTel  Model: MSCN              Rev: 0100
  Type:   Direct-Access                      ANSI SCSI revision: 02
Attached scsi removable disk sdb at scsi2, channel 0, id 0, lun 0
SCSI device sdb: 248032 512-byte hdwr sectors (127 MB)
sdb: Write Protect is off
/dev/scsi/host2/bus0/target0/lun0: p1
WARNING: USB Mass Storage data integrity not assured
USB Mass Storage device found at 5

d00m3d

It looks your USB pendrive is already identified by the system, anything wrong?