scsi error "sense key: No Sense" with usb flash drive

[Carl-Daniel Hailfinger]

Hi,

upon insertion of my new 2048 MB usb flash drive, the kernel
(vanilla 2.6.13) spat out the following errors:

usb 4-2: new high speed USB device using ehci_hcd and address 7
scsi1 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 7
usb-storage: waiting for device to settle before scanning
  Vendor: TinyDisk  Model: 2005-08-04        Rev: 0.00
  Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sda: 4096000 512-byte hdwr sectors (2097 MB)
sda: Write Protect is on
sda: Mode Sense: 0b 00 80 00
sda: assuming drive cache: write through
ioctl_internal_command: <1 0 0 0> return code = 8000002
   : Current: sense key: No Sense
    Additional sense: No additional sense information
SCSI device sda: 4096000 512-byte hdwr sectors (2097 MB)
sda: Write Protect is on
sda: Mode Sense: 0b 00 80 00
sda: assuming drive cache: write through
 sda: sda1
Attached scsi removable disk sda at scsi1, channel 0, id 0, lun 0
Attached scsi generic sg0 at scsi1, channel 0, id 0, lun 0,  type 0
usb-storage: device scan complete
ioctl_internal_command: <1 0 0 0> return code = 8000002
   : Current: sense key: No Sense
    Additional sense: No additional sense information
ioctl_internal_command: <1 0 0 0> return code = 8000002
   : Current: sense key: No Sense
    Additional sense: No additional sense information
ioctl_internal_command: <1 0 0 0> return code = 8000002
   : Current: sense key: No Sense
    Additional sense: No additional sense information
ioctl_internal_command: <1 0 0 0> return code = 8000002
   : Current: sense key: No Sense
    Additional sense: No additional sense information

This error only happens with this specific flash drive.
p35:~ # lsusb -v

Bus 004 Device 007: ID 0457:0151 Silicon Integrated Systems Corp.
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0        64
  idVendor           0x0457 Silicon Integrated Systems Corp.
  idProduct          0x0151
  bcdDevice            1.00
  iManufacturer           0
  iProduct                2 USB Mass Storage Device
  iSerial                 3 0000000000000F
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           39
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0x80
    MaxPower               98mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass         8 Mass Storage
      bInterfaceSubClass      6 SCSI
      bInterfaceProtocol     80 Bulk (Zip)
      iInterface              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  bytes 512 once
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  bytes 512 once
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  bytes 64 once
        bInterval               8


Is this just a quirky usb flash drive or do the errors indicate
a bigger problem?


Regards,
Carl-Daniel
-- 
http://www.hailfinger.org/
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