usb 5-1: new high speed USB device using ehci_hcd and address 13
scsi2 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 13
usb-storage: waiting for device to settle before scanning
  Vendor: USB2.0    Model: CardReader Combo  Rev: 0814
  Type:   Direct-Access                      ANSI SCSI revision: 00
SCSI device sda: 1984000 512-byte hdwr sectors (1016 MB)
sda: assuming Write Enabled
sda: assuming drive cache: write through
SCSI device sda: 1984000 512-byte hdwr sectors (1016 MB)
sda: assuming Write Enabled
sda: assuming drive cache: write through
 sda: sda1
Attached scsi removable disk sda at scsi2, channel 0, id 0, lun 0
Attached scsi generic sg0 at scsi2, channel 0, id 0, lun 0,  type 0
usb-storage: device scan complete
usb 5-1: USB disconnect, address 13
usb 5-1: new high speed USB device using ehci_hcd and address 14
scsi3 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 14
usb-storage: waiting for device to settle before scanning
  Vendor: USB2.0    Model: CardReader Combo  Rev: 0814
  Type:   Direct-Access                      ANSI SCSI revision: 00
SCSI device sdb: 1984000 512-byte hdwr sectors (1016 MB)
sdb: assuming Write Enabled
sdb: assuming drive cache: write through
SCSI device sdb: 1984000 512-byte hdwr sectors (1016 MB)
sdb: assuming Write Enabled
sdb: assuming drive cache: write through
 sdb: sdb1
Attached scsi removable disk sdb at scsi3, channel 0, id 0, lun 0
Attached scsi generic sg0 at scsi3, channel 0, id 0, lun 0,  type 0
usb-storage: device scan complete