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cannot get sansa express working as MTP device with amarok

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mercer77
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cannot get sansa express working as MTP device with amarok

Thu Feb 28, 2008 5:40 pm
Hello,
There are some other threads on this, and I've tried all the advice with no joy. When I plug the Sansa Express in, it mounts ok. When I run a mtp-detect, it gives me an "unsafe removal" dialogue box. If I try to connect to it in Amarok, the program sometimes freezes up and the only way I can recover it is to reboot. It's as if Ubuntu is fighting with itself over whether the Sansa is an MTP device or a simple USB disk. The Sansa works fine in Windows, where I managed to upgrade the firmware to the latest US version (which unlocked the FM radio which this model isn't supposed to have!!)

Many thanks for any help.

Neil

Here's the result of running mtp-detect. As a relative newbie this doesn't mean too much to me!

libmtp version: 0.2.5

Attempting to connect device(s)
PTP: Opening session
PTP_ERROR_IO: Trying again after re-initializing USB interface
PTP: Opening session
Detect: Successfully connected 1 devices
USB low-level info:
Using kernel interface "usbfs"
bcdUSB: 512
bDeviceClass: 0
bDeviceSubClass: 0
bDeviceProtocol: 0
idVendor: 0781
idProduct: 7460
IN endpoint maxpacket: 512 bytes
OUT endpoint maxpacket: 512 bytes
Device flags: 0x00000046
Microsoft device descriptor 0xee:
0000: 1203 4d00 5300 4600 5400 3100 3000 3000 ..M.S.F.T.1.0.0.
0010: 0100 ..
Device info:
Manufacturer: Sandisk
Model: Sansa Express
Device version: 01.01.05A
Serial number: 0002FA821A7B839D0002FA821A7AC785
Vendor extension ID: 0x00000006
Vendor extension description: microsoft.com: 1.0; microsoft.com/WMDRMPD: 10.1; microsoft.com/WMPPD: 10.0; microsoft.com/WMPPD: 11.0; audible.com: 1.0
Detected object size: 64 bits
Supported operations:
1001: get device info
1002: Open session
1003: Close session
1004: Get storage IDs
1005: Get storage info
1006: Get number of objects
1007: Get object handles
1008: Get object info
1009: Get object
101b: Get partial object
100b: Delete object
100c: Send object info
100d: Send object
1014: Get device property description
1015: Get device property value
1016: Set device property value
9802: Get object property description
9801: Get object properties supported
9803: Get object property value
9804: Set object property value
9805: Get object property list
9806: Set object property list
9808: Send object property list
9101: Get secure time challenge
9102: Get secure time response
9103: Set license response
9104: Get sync list
9105: Send meter challenge query
9106: Get meter challenge
9107: Get meter response
9108: Clean data store
9109: Get license state
910a: Send WMDRM-PD Command
910b: Send WMDRM-PD Request
100f: Format storage
9810: Get object references
9811: Set object references
9201: Report Added/Deleted Items
9202: Report Acquired Items
9203: Get transferable playlist types
97f1: Unknown (97f1)
97f2: Unknown (97f2)
97f3: Unknown (97f3)
97f4: Unknown (97f4)
1010: Reset device
Events supported:
0x4004
0x4005
Device Properties Supported:
0xd101: Secure Time
0xd102: Device Certificate
0xd402: Friendly Device Name
0xd401: Synchronization Partner
0x5001: Battery Level
0xd405: Device Icon
0xd100: Unknown property
Playable File (Object) Types and Object Properties Supported:
3009: MP3
3008: MS Wave
b901: WMA
300c: ASF
3001: Association/Directory
ba05: Abstract Audio Video Playlist
3801: JPEG
3807: GIF
3804: BMP
ba03: Abstract Audio Album
3000: Undefined Type
b904: Audible.com Codec
Storage Devices:
StorageID: 0x00010001
StorageType: 0x0003
FilesystemType: 0x0002
AccessCapability: 0x0000
MaxCapacity: 1022623744
FreeSpaceInBytes: 223657984
FreeSpaceInObjects: 4294967295
StorageDescription: Internal Memory
VolumeIdentifier: 0002FA821A7B839D0002FA821A7AC785
StorageID: 0x00020001
StorageType: 0x0004
FilesystemType: 0x0002
AccessCapability: 0x0000
MaxCapacity: 2032664576
FreeSpaceInBytes: 2024275968
FreeSpaceInObjects: 4294967295
StorageDescription: Expansion Card
VolumeIdentifier: 8050069E
Special directories:
Default music folder: 0x00000075
Default playlist folder: 0x00000320
Default picture folder: 0x00000000
Default video folder: 0x00000000
Default organizer folder: 0x00000000
Default zencast folder: 0x00000000
Default album folder: 0x0000007d
Default text folder: 0x00000000
MTP-specific device properties:
Friendly name: (NULL)
Synchronization partner: (NULL)
libmtp supported (playable) filetypes:
ISO MPEG-1 Audio Layer 3
RIFF WAVE file
Microsoft Windows Media Audio
Microsoft Advanced Systems Format
JPEG file
GIF bitmap file
BMP bitmap file
Audible.com Audio Codec
Unable to acquire device certificate, perhaps this device does not support this
Error 2: PTP Layer error 02ff: get_device_unicode_property(): failed to get unicode property.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)

It repeats this many times, so I've edited it to the end...
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_Filelisting_With_Callback(): call to ptp_mtp_getobjectpropssupported() failed.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: LIBMTP_Get_File_To_File_Descriptor(): Could not get file from device.
Error 2: (Look this up in ptp.h for an explanation.)
PTP: Closing session
ERROR: Could not close session!
OK.

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