usb 4-1.3: new high speed USB device using ehci_hcd and address 4
usb 4-1.3: configuration #1 chosen from 1 choice
scsi2 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 4
usb-storage: waiting for device to settle before scanning
  Vendor: Generic   Model: USB Flash Disk    Rev: 2.00
  Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sda: 255488 512-byte hdwr sectors (131 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
devfs_mk_dir: invalid argument.<4>devfs_mk_dev: could not append to parent for /disc
SCSI device sda: 255488 512-byte hdwr sectors (131 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
 sda: sda1
devfs_mk_dev: could not append to parent for /part1
sd 2:0:0:0: Attached scsi removable disk sda
usb-storage: device scan complete