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** Attachment added: "ProcInterrupts.txt"
   https://bugs.launchpad.net/bugs/1473760/+attachment/4428474/+files/ProcInterrupts.txt

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https://bugs.launchpad.net/bugs/1473760

Title:
  Plugable SuperSpeed USB 3.0 no longer works 14.04 LTS

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Until today, my plugable SuperSpeed USB 3.0 has been used successfully to transfer photo files to my computer. Today I receive the following message:  Unable to mount 4.0 GB Volume
  Error mounting /dev/sdb at /media/sm/disk: Command-line `mount -t "vfat" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,shortname=mixed,dmask=0077,utf8=1,showexec,flush" "/dev/sdb" "/media/sm/disk"' exited with non-zero exit status 32: mount: /dev/sdb: can't read superblock

  sm@MTD1:~$ sudo lsusb -v
  [sudo] password for sm: 

  Bus 002 Device 004: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               1.10
    bDeviceClass            0 (Defined at Interface level)
    bDeviceSubClass         0 
    bDeviceProtocol         0 
    bMaxPacketSize0         8
    idVendor           0x093a Pixart Imaging, Inc.
    idProduct          0x2510 Optical Mouse
    bcdDevice            1.00
    iManufacturer           1 PIXART
    iProduct                2 USB OPTICAL MOUSE
    iSerial                 0 
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength           34
      bNumInterfaces          1
      bConfigurationValue     1
      iConfiguration          4 HID-compliant MOUSE
      bmAttributes         0xa0
        (Bus Powered)
        Remote Wakeup
      MaxPower              100mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           1
        bInterfaceClass         3 Human Interface Device
        bInterfaceSubClass      1 Boot Interface Subclass
        bInterfaceProtocol      2 Mouse
        iInterface              0 
          HID Device Descriptor:
            bLength                 9
            bDescriptorType        33
            bcdHID               1.11
            bCountryCode            0 Not supported
            bNumDescriptors         1
            bDescriptorType        34 Report
            wDescriptorLength      62
           Report Descriptors: 
             ** UNAVAILABLE **
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0004  1x 4 bytes
          bInterval              10
  Device Status:     0x0000
    (Bus Powered)

  Bus 002 Device 003: ID 047d:2043 Kensington 
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               1.10
    bDeviceClass            0 (Defined at Interface level)
    bDeviceSubClass         0 
    bDeviceProtocol         0 
    bMaxPacketSize0         8
    idVendor           0x047d Kensington
    idProduct          0x2043 
    bcdDevice            1.04
    iManufacturer           1 NOVATEK
    iProduct                2 Kensington U+P Keyboard
    iSerial                 0 
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength           59
      bNumInterfaces          2
      bConfigurationValue     1
      iConfiguration          0 
      bmAttributes         0xa0
        (Bus Powered)
        Remote Wakeup
      MaxPower              100mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           1
        bInterfaceClass         3 Human Interface Device
        bInterfaceSubClass      1 Boot Interface Subclass
        bInterfaceProtocol      1 Keyboard
        iInterface              0 
          HID Device Descriptor:
            bLength                 9
            bDescriptorType        33
            bcdHID               1.10
            bCountryCode            0 Not supported
            bNumDescriptors         1
            bDescriptorType        34 Report
            wDescriptorLength      65
           Report Descriptors: 
             ** UNAVAILABLE **
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0008  1x 8 bytes
          bInterval              10
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        1
        bAlternateSetting       0
        bNumEndpoints           1
        bInterfaceClass         3 Human Interface Device
        bInterfaceSubClass      0 No Subclass
        bInterfaceProtocol      0 None
        iInterface              0 
          HID Device Descriptor:
            bLength                 9
            bDescriptorType        33
            bcdHID               1.10
            bCountryCode            0 Not supported
            bNumDescriptors         1
            bDescriptorType        34 Report
            wDescriptorLength     134
           Report Descriptors: 
             ** UNAVAILABLE **
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x82  EP 2 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0008  1x 8 bytes
          bInterval              10
  Device Status:     0x0000
    (Bus Powered)

  Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               2.00
    bDeviceClass            9 Hub
    bDeviceSubClass         0 Unused
    bDeviceProtocol         1 Single TT
    bMaxPacketSize0        64
    idVendor           0x8087 Intel Corp.
    idProduct          0x0024 Integrated Rate Matching Hub
    bcdDevice            0.00
    iManufacturer           0 
    iProduct                0 
    iSerial                 0 
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength           25
      bNumInterfaces          1
      bConfigurationValue     1
      iConfiguration          0 
      bmAttributes         0xe0
        Self Powered
        Remote Wakeup
      MaxPower                0mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           1
        bInterfaceClass         9 Hub
        bInterfaceSubClass      0 Unused
        bInterfaceProtocol      0 Full speed (or root) hub
        iInterface              0 
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0001  1x 1 bytes
          bInterval              12
  Hub Descriptor:
    bLength               9
    bDescriptorType      41
    nNbrPorts             6
    wHubCharacteristic 0x0009
      Per-port power switching
      Per-port overcurrent protection
      TT think time 8 FS bits
    bPwrOn2PwrGood       50 * 2 milli seconds
    bHubContrCurrent      0 milli Ampere
    DeviceRemovable    0x00
    PortPwrCtrlMask    0xff
   Hub Port Status:
     Port 1: 0000.0100 power
     Port 2: 0000.0100 power
     Port 3: 0000.0100 power
     Port 4: 0000.0100 power
     Port 5: 0000.0303 lowspeed power enable connect
     Port 6: 0000.0303 lowspeed power enable connect
  Device Qualifier (for other device speed):
    bLength                10
    bDescriptorType         6
    bcdUSB               2.00
    bDeviceClass            9 Hub
    bDeviceSubClass         0 Unused
    bDeviceProtocol         0 Full speed (or root) hub
    bMaxPacketSize0        64
    bNumConfigurations      1
  Device Status:     0x0001
    Self Powered

  Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               2.00
    bDeviceClass            9 Hub
    bDeviceSubClass         0 Unused
    bDeviceProtocol         0 Full speed (or root) hub
    bMaxPacketSize0        64
    idVendor           0x1d6b Linux Foundation
    idProduct          0x0002 2.0 root hub
    bcdDevice            3.13
    iManufacturer           3 Linux 3.13.0-57-generic ehci_hcd
    iProduct                2 EHCI Host Controller
    iSerial                 1 0000:00:1d.0
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength           25
      bNumInterfaces          1
      bConfigurationValue     1
      iConfiguration          0 
      bmAttributes         0xe0
        Self Powered
        Remote Wakeup
      MaxPower                0mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           1
        bInterfaceClass         9 Hub
        bInterfaceSubClass      0 Unused
        bInterfaceProtocol      0 Full speed (or root) hub
        iInterface              0 
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0004  1x 4 bytes
          bInterval              12
  Hub Descriptor:
    bLength               9
    bDescriptorType      41
    nNbrPorts             2
    wHubCharacteristic 0x000a
      No power switching (usb 1.0)
      Per-port overcurrent protection
    bPwrOn2PwrGood       10 * 2 milli seconds
    bHubContrCurrent      0 milli Ampere
    DeviceRemovable    0x02
    PortPwrCtrlMask    0xff
   Hub Port Status:
     Port 1: 0000.0503 highspeed power enable connect
     Port 2: 0000.0100 power
  Device Status:     0x0001
    Self Powered

  Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               2.00
    bDeviceClass            9 Hub
    bDeviceSubClass         0 Unused
    bDeviceProtocol         1 Single TT
    bMaxPacketSize0        64
    idVendor           0x8087 Intel Corp.
    idProduct          0x0024 Integrated Rate Matching Hub
    bcdDevice            0.00
    iManufacturer           0 
    iProduct                0 
    iSerial                 0 
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength           25
      bNumInterfaces          1
      bConfigurationValue     1
      iConfiguration          0 
      bmAttributes         0xe0
        Self Powered
        Remote Wakeup
      MaxPower                0mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           1
        bInterfaceClass         9 Hub
        bInterfaceSubClass      0 Unused
        bInterfaceProtocol      0 Full speed (or root) hub
        iInterface              0 
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0001  1x 1 bytes
          bInterval              12
  Hub Descriptor:
    bLength               9
    bDescriptorType      41
    nNbrPorts             4
    wHubCharacteristic 0x0009
      Per-port power switching
      Per-port overcurrent protection
      TT think time 8 FS bits
    bPwrOn2PwrGood       50 * 2 milli seconds
    bHubContrCurrent      0 milli Ampere
    DeviceRemovable    0x00
    PortPwrCtrlMask    0xff
   Hub Port Status:
     Port 1: 0000.0100 power
     Port 2: 0000.0100 power
     Port 3: 0000.0100 power
     Port 4: 0000.0100 power
  Device Qualifier (for other device speed):
    bLength                10
    bDescriptorType         6
    bcdUSB               2.00
    bDeviceClass            9 Hub
    bDeviceSubClass         0 Unused
    bDeviceProtocol         0 Full speed (or root) hub
    bMaxPacketSize0        64
    bNumConfigurations      1
  Device Status:     0x0001
    Self Powered

  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               2.00
    bDeviceClass            9 Hub
    bDeviceSubClass         0 Unused
    bDeviceProtocol         0 Full speed (or root) hub
    bMaxPacketSize0        64
    idVendor           0x1d6b Linux Foundation
    idProduct          0x0002 2.0 root hub
    bcdDevice            3.13
    iManufacturer           3 Linux 3.13.0-57-generic ehci_hcd
    iProduct                2 EHCI Host Controller
    iSerial                 1 0000:00:1a.0
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength           25
      bNumInterfaces          1
      bConfigurationValue     1
      iConfiguration          0 
      bmAttributes         0xe0
        Self Powered
        Remote Wakeup
      MaxPower                0mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           1
        bInterfaceClass         9 Hub
        bInterfaceSubClass      0 Unused
        bInterfaceProtocol      0 Full speed (or root) hub
        iInterface              0 
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0004  1x 4 bytes
          bInterval              12
  Hub Descriptor:
    bLength               9
    bDescriptorType      41
    nNbrPorts             2
    wHubCharacteristic 0x000a
      No power switching (usb 1.0)
      Per-port overcurrent protection
    bPwrOn2PwrGood       10 * 2 milli seconds
    bHubContrCurrent      0 milli Ampere
    DeviceRemovable    0x02
    PortPwrCtrlMask    0xff
   Hub Port Status:
     Port 1: 0000.0507 highspeed power suspend enable connect
     Port 2: 0000.0100 power
  Device Status:     0x0001
    Self Powered
  sm@MTD1:~$ cat /proc/bus/usb/devices
  cat: /proc/bus/usb/devices: No such file or directory
  sm@MTD1:~$ sudo mount -t usbfs none /proc/bus/usb
  mount: mount point /proc/bus/usb does not exist
  --- 
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  sm        21543 F.... pulseaudio
   /dev/snd/pcmC0D0p:   sm        21543 F...m pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=2f51cdfc-dd30-47c9-8d2e-2d68c681d2c8
  InstallationDate: Installed on 2012-06-13 (1125 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. H61M-S2H
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-57-generic root=UUID=0ad17adc-63c9-43c6-b1e6-2420e6644404 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-57.95-generic 3.13.11-ckt21
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-57-generic N/A
   linux-backports-modules-3.13.0-57-generic  N/A
   linux-firmware                             1.127.13
  RfKill:
   
  StagingDrivers: keucr
  Tags:  trusty staging
  Uname: Linux 3.13.0-57-generic i686
  UpgradeStatus: Upgraded to trusty on 2014-08-18 (330 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  WifiSyslog:
   
  _MarkForUpload: True
  dmi.bios.date: 10/12/2011
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F5
  dmi.board.name: H61M-S2H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF5:bd10/12/2011:svnGigabyteTechnologyCo.,Ltd.:pnH61M-S2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH61M-S2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: H61M-S2H
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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