Comment 169 for bug 903422

Nexus S
Android 4.1.2
Build JZO54K

Ubuntu 13.04

Error:
     Unable to Mount Nexus S
     Unable to open MTP device '[usb:001,005]'

$ gmtp
Device 0 (VID=18d1 and PID=4e21) is a Google Inc (for Samsung) Nexus S.
LIBMTP PANIC: Unable to find interface & endpoints of device
Detect: Unable to open raw device?
LIBMTP PANIC: Trying to dump the error stack of a NULL device!
LIBMTP PANIC: Trying to clear the error stack of a NULL device!

$ mtp-detect
Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.5

Listing raw device(s)
Device 0 (VID=18d1 and PID=4e21) is a Google Inc (for Samsung) Nexus S.
   Found 1 device(s):
   Google Inc (for Samsung): Nexus S (18d1:4e21) @ bus 1, dev 5
Attempting to connect device(s)
LIBMTP PANIC: Unable to find interface & endpoints of device
Unable to open raw device 0
OK.

$ lsusb -vs 001:006
Bus 001 Device 006: ID 18d1:4e21 Google Inc. Nexus S
Device Descriptor:
  bLength 18
  bDescriptorType 1
  bcdUSB 2.00
  bDeviceClass 0 (Defined at Interface level)
  bDeviceSubClass 0
  bDeviceProtocol 0
  bMaxPacketSize0 64
  idVendor 0x18d1 Google Inc.
  idProduct 0x4e21 Nexus S
  bcdDevice 2.31
  iManufacturer 2 samsung
  iProduct 3 Nexus S
  iSerial 4 37351D????????
  bNumConfigurations 1
  Configuration Descriptor:
    bLength 9
    bDescriptorType 2
    wTotalLength 32
    bNumInterfaces 1
    bConfigurationValue 1
    iConfiguration 0
    bmAttributes 0x80
      (Bus Powered)
    MaxPower 500mA
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 0
      bAlternateSetting 0
      bNumEndpoints 2
      bInterfaceClass 8 Mass Storage
      bInterfaceSubClass 6 SCSI
      bInterfaceProtocol 80 Bulk-Only
      iInterface 1 Mass Storage
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x82 EP 2 IN
        bmAttributes 2
          Transfer Type Bulk
          Synch Type None
          Usage Type Data
        wMaxPacketSize 0x0200 1x 512 bytes
        bInterval 0
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 2
          Transfer Type Bulk
          Synch Type None
          Usage Type Data
        wMaxPacketSize 0x0200 1x 512 bytes
        bInterval 1
Device Qualifier (for other device speed):
  bLength 10
  bDescriptorType 6
  bcdUSB 2.00
  bDeviceClass 0 (Defined at Interface level)
  bDeviceSubClass 0
  bDeviceProtocol 0
  bMaxPacketSize0 64
  bNumConfigurations 1
Device Status: 0x0001
  Self Powered