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[Bug 1314556] Re: Unable to mount Android MTP device

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: John Ritz <jjritzpub@xxxxxxxxx>
Date: Wed, 18 Nov 2015 15:33:09 -0000
Reply-to: Bug 1314556 <1314556@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
I tried plugging in to two different USB ports, then repeatedly into
one. It finally took, so the problem is intermittent for me.

It turns out mtp-connect was hanging in a terminal window and I found a
lot of what might be useful debugging info when I went back to it (after
the successful mount):

mtp-detect
Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.6

Listing raw device(s)
Device 0 (VID=1004 and PID=62ce) is UNKNOWN.
Please report this VID/PID and the device model to the libmtp development team
   Found 1 device(s):
   1004:62ce @ bus 2, dev 10
Attempting to connect device(s)
ignoring libusb_claim_interface() = -6PTP_ERROR_IO: failed to open session, trying again after resetting USB interface
LIBMTP libusb: Attempt to reset device
Android device detected, assigning default bug flags
Error 7: Found a bad handle, trying to ignore it.
Error 7: Found a bad handle, trying to ignore it.
Error 7: Found a bad handle, trying to ignore it.
Error 7: Found a bad handle, trying to ignore it.
Error 7: Found a bad handle, trying to ignore it.
USB low-level info:
   bcdUSB: 512
   bDeviceClass: 0
   bDeviceSubClass: 0
   bDeviceProtocol: 0
   idVendor: 1004
   idProduct: 62ce
   IN endpoint maxpacket: 512 bytes
   OUT endpoint maxpacket: 512 bytes
   Raw device info:
      Bus location: 2
      Device number: 10
      Device entry info:
         Vendor: (null)
         Vendor id: 0x1004
         Product: (null)
         Vendor id: 0x62ce
         Device flags: 0x08008106
Configuration 0, interface 0, altsetting 0:
   Interface description contains the string "MTP"
   Device recognized as MTP, no further probing.
Device info:
   Manufacturer: LGE
   Model: VS990
   Device version: 1.0
   Serial number: VS9908c1542c8
   Vendor extension ID: 0x00000006
   Vendor extension description: microsoft.com: 1.0; android.com: 1.0;
   Detected object size: 64 bits
   Extensions:
        microsoft.com: 1.0
        android.com: 1.0
Supported operations:
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   1003: Close session
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   1005: Get storage info
   1006: Get number of objects
   1007: Get object handles
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   1009: Get object
   100a: Get thumbnail
   100b: Delete object
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   100d: Send object
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   1015: Get device property value
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   1017: Reset device property value
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   9801: Get object properties supported
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   9803: Get object property value
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   9805: Get object property list
   9810: Get object references
   9811: Set object references
   95c1: Get Partial Object (64bit Offset)
   95c2: Send Partial Object
   95c3: Truncate Object
   95c4: Begin Edit Object
   95c5: End Edit Object
Events supported:
   0x4002
   0x4003
   0x4004
   0xd402: Friendly Device Name
   0x5003: Image Size
   0x5001: Battery Level
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      dc03: Protection Status UINT16 data type ANY 16BIT VALUE form READ ONLY
      dc04: Object Size UINT64 data type READ ONLY
      dc07: Object File Name STRING data type GET/SET
      dc09: Date Modified STRING data type DATETIME FORM READ ONLY
      dc0b: Parent Object UINT32 data type ANY 32BIT VALUE form READ ONLY
      dc41: Persistant Unique Object Identifier UINT128 data type READ ONLY
      dc44: Name STRING data type READ ONLY
      dce0: Display Name STRING data type READ ONLY
      dc08: Date Created STRING data type DATETIME FORM READ ONLY
   ba86: Microsoft Powerpoint (.ppt)
      dc01: Storage ID UINT32 data type ANY 32BIT VALUE form READ ONLY
      dc02: Object Format UINT16 data type ANY 16BIT VALUE form READ ONLY
      dc03: Protection Status UINT16 data type ANY 16BIT VALUE form READ ONLY
      dc04: Object Size UINT64 data type READ ONLY
      dc07: Object File Name STRING data type GET/SET
      dc09: Date Modified STRING data type DATETIME FORM READ ONLY
      dc0b: Parent Object UINT32 data type ANY 32BIT VALUE form READ ONLY
      dc41: Persistant Unique Object Identifier UINT128 data type READ ONLY
      dc44: Name STRING data type READ ONLY
      dce0: Display Name STRING data type READ ONLY
      dc08: Date Created STRING data type DATETIME FORM READ ONLY
Storage Devices:
   StorageID: 0x00020001
      StorageType: 0x0004 removable RAM storage
      FilesystemType: 0x0002 generic hierarchical
      AccessCapability: 0x0000 read/write
      MaxCapacity: 31902400512
      FreeSpaceInBytes: 18489638912
      FreeSpaceInObjects: 1073741824
      StorageDescription: SD card
      VolumeIdentifier: (null)
   StorageID: 0x00010001
      StorageType: 0x0003 fixed RAM storage
      FilesystemType: 0x0002 generic hierarchical
      AccessCapability: 0x0000 read/write
      MaxCapacity: 56106594304
      FreeSpaceInBytes: 28740161536
      FreeSpaceInObjects: 1073741824
      StorageDescription: Internal storage
      VolumeIdentifier: (null)
Special directories:
   Default music folder: 0x00000d93
   Default playlist folder: 0xffffffff
   Default picture folder: 0xffffffff
   Default video folder: 0x00001911
   Default organizer folder: 0xffffffff
   Default zencast folder: 0xffffffff
   Default album folder: 0xffffffff
   Default text folder: 0xffffffff
MTP-specific device properties:
   Friendly name: (NULL)
   Synchronization partner: (NULL)
   Battery level 89 of 100 (88%)
libmtp supported (playable) filetypes:
   Folder
   Text file
   HTML file
   RIFF WAVE file
   ISO MPEG-1 Audio Layer 3
   MPEG video stream
   JPEG file
   BMP bitmap file
   GIF bitmap file
   Portable Network Graphics
   Microsoft Windows Media Audio
   Ogg container format
   Advanced Audio Coding (AAC)/MPEG-2 Part 7/MPEG-4 Part 3
   MPEG-4 Part 14 Container Format (Audio+Video Emphasis)
   Abstract Playlist file
   XML file
   Free Lossless Audio Codec (FLAC)
   Audio Video Interleave
   Microsoft Advanced Systems Format
   DOC file
   XLS file
   PPT file
Error 2: PTP Layer error 02ff: get_u64_from_object(): could not get unsigned 64bit integer from object.
Error 2: Error 02ff: PTP: I/O error
Error 2: PTP Layer error 02ff: obj2file: call to ptp_mtp_getobjectpropssupported() failed.
Error 2: Error 02ff: PTP: I/O error
Error 2: PTP Layer error 02ff: obj2file: call to ptp_mtp_getobjectpropssupported() failed.

[above error repeats hundreds of times before]:

Error 2: Error 02ff: PTP: I/O error
ERROR: Could not close session!
inep: usb_get_endpoint_status(): No such device
outep: usb_get_endpoint_status(): No such device
OK.

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https://bugs.launchpad.net/bugs/1314556

Title:
  Unable to mount Android MTP device

Status in gvfs package in Ubuntu:
  Confirmed

Bug description:
  I have the same problem on 3 computers with 14.04:

  So I tried,
   mtp-detect 
  Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.6

  Listing raw device(s)
  Device 0 (VID=04e8 and PID=6860) is a Samsung Galaxy models (MTP).
     Found 1 device(s):
     Samsung: Galaxy models (MTP) (04e8:6860) @ bus 1, dev 10
  Attempting to connect device(s)
  ignoring libusb_claim_interface() = -6PTP_ERROR_IO: failed to open session, trying again after resetting USB interface
  LIBMTP libusb: Attempt to reset device
  inep: usb_get_endpoint_status(): Resource temporarily unavailable
  outep: usb_get_endpoint_status(): Device or resource busy
  ignoring libusb_claim_interface() = -6LIBMTP PANIC: failed to open session on second attempt
  Unable to open raw device 0
  OK.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: gvfs-backends 1.20.1-1ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Apr 30 11:18:12 2014
  EcryptfsInUse: Yes
  ExecutablePath: /usr/lib/gvfs/gvfs-mtp-volume-monitor
  InstallationDate: Installed on 2013-02-12 (441 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  ProcEnviron:
   XDG_RUNTIME_DIR=<set>
   SHELL=/bin/bash
   LANGUAGE=en_US
   PATH=(custom, user)
   LANG=en_US.UTF-8
  SourcePackage: gvfs
  UpgradeStatus: Upgraded to trusty on 2014-04-02 (27 days ago)

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