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Old 06-06-2018, 08:08 AM   #1
taylorkh
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SanDisk mp3 player will not auto-mount


There may be a setting for this but I have not had to tweak such a thing on so long I do not remember if or how

I had a rebate coupon which was soon to expire so I purchased a SanDisk Clip Jam mp3 player just to use it up. I would NOT recommend this product - ask why if interested. I connected it to a USB port on my CentOS 7.5 Mate workstation so I could copy some of my converted CD library to it. It should (and will) act as a storage device. However, it does not auto-mount.

EVERYTHING I connect to the machine auto-mounts. Two different mp3 players, external hard drives, flash drives, a Nikon DSLR etc. Just not this thing.

If I open gnome-disks I see the device as /dev/sde. I can manually mount it and it mounts to file:///run/media/ken/CLIP JAM as expected. I an manipulate files on the device with no issues. Any ideas if this is an issue/setting with Linux or just an anomaly with the device?

TIA,

Ken
 
Old 06-06-2018, 08:10 AM   #2
rokytnji
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Maybe dmesg may shed some light on your question?
 
Old 06-06-2018, 08:31 AM   #3
taylorkh
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Thanks rokytnji,

Here is what happens when I plug it in
Code:
Jun  6 09:24:08 taylor20 kernel: usb 4-2: new high-speed USB device number 19 using xhci_hcd
Jun  6 09:24:09 taylor20 kernel: usb 4-2: New USB device found, idVendor=0781, idProduct=74f0
Jun  6 09:24:09 taylor20 kernel: usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Jun  6 09:24:09 taylor20 kernel: usb 4-2: Product: Clip Jam
Jun  6 09:24:09 taylor20 kernel: usb 4-2: Manufacturer: SanDisk
Jun  6 09:24:09 taylor20 kernel: usb 4-2: SerialNumber: 385F13A44E5AB14C
Jun  6 09:24:09 taylor20 kernel: usb-storage 4-2:1.0: USB Mass Storage device detected
Jun  6 09:24:09 taylor20 kernel: scsi host32: usb-storage 4-2:1.0
Jun  6 09:24:09 taylor20 mtp-probe: checking bus 4, device 19: "/sys/devices/pci0000:00/0000:00:14.0/usb4/4-2"
Jun  6 09:24:09 taylor20 mtp-probe: bus: 4, device: 19 was not an MTP device
Jun  6 09:24:10 taylor20 kernel: scsi 32:0:0:0: Direct-Access     SanDisk  Clip Jam              PQ: 0 ANSI: 0 CCS
Jun  6 09:24:10 taylor20 kernel: scsi 32:0:0:1: Direct-Access     SanDisk  Clip Jam              PQ: 0 ANSI: 0 CCS
Jun  6 09:24:10 taylor20 kernel: sd 32:0:0:0: Attached scsi generic sg4 type 0
Jun  6 09:24:10 taylor20 kernel: sd 32:0:0:0: [sde] 8179712 1024-byte logical blocks: (8.37 GB/7.80 GiB)
Jun  6 09:24:10 taylor20 kernel: sd 32:0:0:0: [sde] Write Protect is off
Jun  6 09:24:10 taylor20 kernel: sd 32:0:0:1: Attached scsi generic sg5 type 0
Jun  6 09:24:10 taylor20 kernel: sd 32:0:0:0: [sde] Write cache: disabled, read cache: disabled, doesn't support DPO or FUA
Jun  6 09:24:10 taylor20 kernel: sd 32:0:0:1: [sdf] Attached SCSI removable disk
Jun  6 09:24:10 taylor20 kernel: sde:
Jun  6 09:24:10 taylor20 kernel: sd 32:0:0:0: [sde] Attached SCSI removable disk
I don't know what a"MTP device" is or if that matters. Let me find another Sandisk flash drive and see what it does
Code:
Jun  6 09:28:42 taylor20 kernel: usb 4-1: new high-speed USB device number 20 using xhci_hcd
Jun  6 09:28:42 taylor20 kernel: usb 4-1: New USB device found, idVendor=0781, idProduct=5567
Jun  6 09:28:42 taylor20 kernel: usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Jun  6 09:28:42 taylor20 kernel: usb 4-1: Product: Cruzer Blade
Jun  6 09:28:42 taylor20 kernel: usb 4-1: Manufacturer: SanDisk
Jun  6 09:28:42 taylor20 kernel: usb 4-1: SerialNumber: 4C530007670404108512
Jun  6 09:28:42 taylor20 kernel: usb-storage 4-1:1.0: USB Mass Storage device detected
Jun  6 09:28:42 taylor20 kernel: scsi host33: usb-storage 4-1:1.0
Jun  6 09:28:42 taylor20 mtp-probe: checking bus 4, device 20: "/sys/devices/pci0000:00/0000:00:14.0/usb4/4-1"
Jun  6 09:28:42 taylor20 mtp-probe: bus: 4, device: 20 was not an MTP device
Jun  6 09:28:43 taylor20 kernel: scsi 33:0:0:0: Direct-Access     SanDisk  Cruzer Blade     1.27 PQ: 0 ANSI: 6
Jun  6 09:28:43 taylor20 kernel: sd 33:0:0:0: Attached scsi generic sg6 type 0
Jun  6 09:28:43 taylor20 kernel: sd 33:0:0:0: [sdg] 30529536 512-byte logical blocks: (15.6 GB/14.5 GiB)
Jun  6 09:28:43 taylor20 kernel: sd 33:0:0:0: [sdg] Write Protect is off
Jun  6 09:28:43 taylor20 kernel: sd 33:0:0:0: [sdg] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
Jun  6 09:28:43 taylor20 kernel: sdg: sdg1 sdg2
Jun  6 09:28:43 taylor20 kernel: sd 33:0:0:0: [sdg] Attached SCSI removable disk
Jun  6 09:28:44 taylor20 journal: Mounted /dev/sdg1 at /run/media/ken/CentOS 7 x86_64 on behalf of uid 1000
Looks like it is not one of those devices either. But it DID mount.

Ken
 
Old 06-06-2018, 09:00 AM   #4
michaelk
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The Jam is a MSC only device so MTP compatibility is not a problem. The only difference I can see is the Jam does not have any partitions versus your Cruze and the Clip modes I own. While there is nothing wrong I suspect automounting has problems if partitions do not exist. I had a few flash drives that did not have partitions as formatted by the manufacture. They worked fine but again some systems had a problem with auto mounting.

https://kb.sandisk.com/app/answers/d...d/61/related/1


One of the reasons I originally purchased the clip was the sound quality for such a small device and the price. At the time I didn't care about file formats.
 
Old 06-06-2018, 11:13 AM   #5
taylorkh
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Thanks michaelk,

It is not a big deal, just a curiosity. In "production" my plan is to copy a selection of albums from my collection to a micro-SD card (on order) and just plug it into the Clip Jam. I do not care about synchronizing etc. I have been using this approach for my past two mp3 (RCA) players. My main concern with the Clip Jam was the life expectancy of the non-replaceable battery. The RCA players used AAA cells which I recharge and install as needed. But the real issue with the Clip Jam is...

If I copy 5 albums by different artists I would EXPECT that the darned thing would just play one after the other. WRONG. Support verified that. It seems I can play one album then have to go back and rummage around the menu to find and play the next. Not a chance.

I plan to clip this thing to the cover on the head band of my Beyerdynamic cans with a short cord from the clip to the sound input on the left can. I want to start it playing, put the cans on my head and listen while I read until I do not want to listen. Based on the information from tech support I can choose "song" from the play menu. WRONG!

This seems to order the tracks All track 01 songs then All track 02 songs etc. I am not sure what the next sort order is, I think it is by song title. This is no better than playback in random order. Not to be outsmarted by an mp3 player...

I made a listing of the ~ 4,700 tracks in my collection sorted by artist, album title and existing track number. I then prepared a script to change the track to a 5 digit sequential number so that the songs would sort in accordance with my desires. The Clip Jam would not recognize these track numbers - not sure how large a number it will handle.

For my next trick I set all track numbers to 00 and changed the song title to "A" + the 5 digits. This seems to work. I am now parsing the song titles from the meta data and will replace all titles with a sequence number + the title. That should keep the tracks from each album together and let me see the title on the Clip if I so desire. If that does not work I may charge the Clip fully, take it out in the back yard and shoot the Lithium ion battery and see if it explodes

Thanks again,

Ken
 
Old 06-13-2018, 03:05 PM   #6
taylorkh
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For what it is worth the 5 digit track number did not sort the songs. I prefixed each song title metadata field with a sequential number based on a sort of the mp3 files by artist, album and song title. They now play in the order desired. AND I can listen to two disk albums such as "Tommy" by the Who or "The Wall" by Pink Floyd and the two disks are not intermixed

Ken

p.s. As to the original auto mounting issue... I purchased an 8 GB micro SD card with reader from walmart.com for $3.96 US. The reader does not work but the micro-SD to SD adapter works and automounts. I can charge the chip with songs and plug it into the player. One less tiny cable to fiddle with (except at charging time).
 
  


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