Coby MP815-8G not recognized as a normal flash drive

Asked by Darryl McGinnis

I have a new Coby MP815-8G media player / flash drive that Ubuntu won't mount as a USB drive (8GB). I originally attempted to get it to mount on Ubuntu 8.04. Failing that, I upgraded the machine to Ubuntu 10.04 and still cannot get it to work. I attempted to connect it to a Windows XP laptop and that also did not work - USB Device not recognized... Oddly enough though, the device DOES work on my Windows 2000 machine. (The device claims that is is compatible with Win 2000, XP, Vista, and Mac.) On the Win2000 machine, I verified that the device is a FAT32 file system. I also tested the Ubuntu 10.04 machine with my LG phone (4GB FAT32) - works fine. Below are the contents/result of /var/log/syslog, lsusb, and fdisk -l; first for the Coby device that doesn't work, second set for the LG phone does does work (for reference purposes). The LG phone was tested in the SAME USB port as the Coby was plugged into.

/var/log/syslog:
Dec 26 20:12:15 eeyore kernel: [ 158.356051] usb 2-4: new high speed USB device using ehci_hcd and address 2
Dec 26 20:12:15 eeyore kernel: [ 158.489080] usb 2-4: configuration #1 chosen from 1 choice
Dec 26 20:12:15 eeyore kernel: [ 158.895737] Initializing USB Mass Storage driver...
Dec 26 20:12:15 eeyore kernel: [ 158.896425] scsi4 : SCSI emulation for USB Mass Storage devices
Dec 26 20:12:15 eeyore kernel: [ 158.896605] usbcore: registered new interface driver usb-storage
Dec 26 20:12:15 eeyore kernel: [ 158.896610] USB Mass Storage support registered.
Dec 26 20:12:15 eeyore kernel: [ 158.901427] usb-storage: device found at 2
Dec 26 20:12:15 eeyore kernel: [ 158.901430] usb-storage: waiting for device to settle before scanning
Dec 26 20:12:20 eeyore kernel: [ 163.900281] usb-storage: device scan complete
Dec 26 20:12:20 eeyore kernel: [ 163.900750] scsi 4:0:0:0: Direct-Access Coby 1.00 PQ: 0 ANSI: 0
Dec 26 20:12:20 eeyore kernel: [ 163.901449] sd 4:0:0:0: Attached scsi generic sg2 type 0
Dec 26 20:12:20 eeyore kernel: [ 163.907762] sd 4:0:0:0: [sdb] 16027648 512-byte logical blocks: (8.20 GB/7.64 GiB)
Dec 26 20:12:21 eeyore kernel: [ 164.020261] usb 2-4: reset high speed USB device using ehci_hcd and address 2
Dec 26 20:12:21 eeyore kernel: [ 164.268040] usb 2-4: reset high speed USB device using ehci_hcd and address 2
Dec 26 20:12:21 eeyore kernel: [ 164.516033] usb 2-4: reset high speed USB device using ehci_hcd and address 2
Dec 26 20:12:21 eeyore kernel: [ 164.650380] sd 4:0:0:0: [sdb] Test WP failed, assume Write Enabled
Dec 26 20:12:21 eeyore kernel: [ 164.650385] sd 4:0:0:0: [sdb] Assuming drive cache: write through
Dec 26 20:12:21 eeyore kernel: [ 164.653890] sd 4:0:0:0: [sdb] Attached SCSI removable disk
Dec 26 20:12:24 eeyore kernel: [ 167.019398] sd 4:0:0:0: [sdb] 16027648 512-byte logical blocks: (8.20 GB/7.64 GiB)
Dec 26 20:12:24 eeyore kernel: [ 167.128047] usb 2-4: reset high speed USB device using ehci_hcd and address 2
Dec 26 20:12:29 eeyore kernel: [ 172.260176] usb 2-4: device descriptor read/all, error -110
Dec 26 20:12:29 eeyore kernel: [ 172.372051] usb 2-4: reset high speed USB device using ehci_hcd and address 2
Dec 26 20:12:44 eeyore kernel: [ 187.484039] usb 2-4: device descriptor read/64, error -110
Dec 26 20:12:59 eeyore kernel: [ 202.700051] usb 2-4: device descriptor read/64, error -110
Dec 26 20:12:59 eeyore kernel: [ 202.916049] usb 2-4: reset high speed USB device using ehci_hcd and address 2
Dec 26 20:13:04 eeyore kernel: [ 207.936242] usb 2-4: device descriptor read/8, error -110
Dec 26 20:13:10 eeyore kernel: [ 213.056138] usb 2-4: device descriptor read/8, error -110
Dec 26 20:13:10 eeyore kernel: [ 213.272053] usb 2-4: reset high speed USB device using ehci_hcd and address 2
Dec 26 20:13:15 eeyore kernel: [ 218.292218] usb 2-4: device descriptor read/8, error -110
Dec 26 20:13:20 eeyore kernel: [ 223.412118] usb 2-4: device descriptor read/8, error -110
Dec 26 20:13:20 eeyore kernel: [ 223.516057] usb 2-4: USB disconnect, address 2
Dec 26 20:13:20 eeyore kernel: [ 223.516085] sd 4:0:0:0: Device offlined - not ready after error recovery
Dec 26 20:13:20 eeyore kernel: [ 223.516126] sd 4:0:0:0: [sdb] Assuming drive cache: write through
Dec 26 20:13:20 eeyore kernel: [ 223.648037] usb 2-4: new high speed USB device using ehci_hcd and address 3
Dec 26 20:13:35 eeyore kernel: [ 238.760039] usb 2-4: device descriptor read/64, error -110
Dec 26 20:13:50 eeyore kernel: [ 253.976050] usb 2-4: device descriptor read/64, error -110
Dec 26 20:13:51 eeyore kernel: [ 254.192049] usb 2-4: new high speed USB device using ehci_hcd and address 4
Dec 26 20:14:06 eeyore kernel: [ 269.304051] usb 2-4: device descriptor read/64, error -110
Dec 26 20:14:21 eeyore kernel: [ 284.520534] usb 2-4: device descriptor read/64, error -110
Dec 26 20:14:21 eeyore kernel: [ 284.736053] usb 2-4: new high speed USB device using ehci_hcd and address 5
Dec 26 20:14:26 eeyore kernel: [ 289.756156] usb 2-4: device descriptor read/8, error -110
Dec 26 20:14:31 eeyore kernel: [ 294.876679] usb 2-4: device descriptor read/8, error -110
Dec 26 20:14:32 eeyore kernel: [ 295.092055] usb 2-4: new high speed USB device using ehci_hcd and address 6
Dec 26 20:14:37 eeyore kernel: [ 300.112132] usb 2-4: device descriptor read/8, error -110
Dec 26 20:14:42 eeyore kernel: [ 305.232651] usb 2-4: device descriptor read/8, error -110
Dec 26 20:14:42 eeyore kernel: [ 305.336059] hub 2-0:1.0: unable to enumerate USB device on port 4
Dec 26 20:14:42 eeyore kernel: [ 305.604038] usb 7-2: new full speed USB device using uhci_hcd and address 2
Dec 26 20:14:57 eeyore kernel: [ 320.716047] usb 7-2: device descriptor read/64, error -110
Dec 26 20:15:12 eeyore kernel: [ 335.932049] usb 7-2: device descriptor read/64, error -110
Dec 26 20:15:13 eeyore kernel: [ 336.152048] usb 7-2: new full speed USB device using uhci_hcd and address 3
Dec 26 20:15:28 eeyore kernel: [ 351.264050] usb 7-2: device descriptor read/64, error -110
Dec 26 20:15:43 eeyore kernel: [ 366.483602] usb 7-2: device descriptor read/64, error -110
Dec 26 20:15:43 eeyore kernel: [ 366.696025] usb 7-2: new full speed USB device using uhci_hcd and address 4
Dec 26 20:15:48 eeyore kernel: [ 371.717120] usb 7-2: device descriptor read/8, error -110
Dec 26 20:15:53 eeyore kernel: [ 376.837208] usb 7-2: device descriptor read/8, error -110
Dec 26 20:15:54 eeyore kernel: [ 377.052031] usb 7-2: new full speed USB device using uhci_hcd and address 5
Dec 26 20:15:59 eeyore kernel: [ 382.073297] usb 7-2: device descriptor read/8, error -110
Dec 26 20:16:04 eeyore kernel: [ 387.193385] usb 7-2: device descriptor read/8, error -110
Dec 26 20:16:04 eeyore kernel: [ 387.296050] hub 7-0:1.0: unable to enumerate USB device on port 2
Dec 26 20:16:11 eeyore kernel: [ 394.660028] usb 7-2: new full speed USB device using uhci_hcd and address 6
Dec 26 20:16:26 eeyore kernel: [ 409.772025] usb 7-2: device descriptor read/64, error -110
Dec 26 20:16:41 eeyore kernel: [ 424.988026] usb 7-2: device descriptor read/64, error -110
Dec 26 20:16:42 eeyore kernel: [ 425.204032] usb 7-2: new full speed USB device using uhci_hcd and address 7
Dec 26 20:16:57 eeyore kernel: [ 440.316026] usb 7-2: device descriptor read/64, error -110
Dec 26 20:17:12 eeyore kernel: [ 455.532025] usb 7-2: device descriptor read/64, error -110
Dec 26 20:17:12 eeyore kernel: [ 455.748023] usb 7-2: new full speed USB device using uhci_hcd and address 8
Dec 26 20:17:17 eeyore kernel: [ 460.769681] usb 7-2: device descriptor read/8, error -110
Dec 26 20:17:22 eeyore kernel: [ 465.889768] usb 7-2: device descriptor read/8, error -110
Dec 26 20:17:23 eeyore kernel: [ 466.104030] usb 7-2: new full speed USB device using uhci_hcd and address 9
Dec 26 20:17:28 eeyore kernel: [ 471.125857] usb 7-2: device descriptor read/8, error -110
Dec 26 20:17:33 eeyore kernel: [ 476.245947] usb 7-2: device descriptor read/8, error -110
Dec 26 20:17:33 eeyore kernel: [ 476.348039] hub 7-0:1.0: unable to enumerate USB device on port 2

lsusb: (btw, the lsusb command was hung until the final unable to enumerate... message was written to syslog)
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 003: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 005 Device 002: ID 046d:c016 Logitech, Inc. M-UV69a/HP M-UV96 Optical Wheel Mouse
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

fdisk -l:
Disk /dev/sda: 250.0 GB, 250000000000 bytes
255 heads, 63 sectors/track, 30394 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x38000000

   Device Boot Start End Blocks Id System
/dev/sda1 1 7 56196 de Dell Utility
/dev/sda2 8 399 3148740 b W95 FAT32
/dev/sda3 * 400 30269 239930775 83 Linux
/dev/sda4 30270 30394 1004062+ 5 Extended
/dev/sda5 30270 30394 1004031 82 Linux swap / Solaris

Below this point are the results to be used for reference purposes for the working LG phone 4GB flash drive...
/var/log/syslog:
Dec 26 20:44:13 eeyore kernel: [ 2076.588031] usb 2-4: new high speed USB device using ehci_hcd and address 9
Dec 26 20:44:13 eeyore kernel: [ 2076.733592] usb 2-4: configuration #1 chosen from 1 choice
Dec 26 20:44:13 eeyore kernel: [ 2076.747864] scsi6 : SCSI emulation for USB Mass Storage devices
Dec 26 20:44:13 eeyore kernel: [ 2076.748061] usb-storage: device found at 9
Dec 26 20:44:13 eeyore kernel: [ 2076.748065] usb-storage: waiting for device to settle before scanning
Dec 26 20:44:18 eeyore kernel: [ 2081.749454] usb-storage: device scan complete
Dec 26 20:44:18 eeyore kernel: [ 2081.751441] scsi 6:0:0:0: Direct-Access LGE HS MMC Storage 2.31 PQ: 0 ANSI: 2
Dec 26 20:44:18 eeyore kernel: [ 2081.752414] sd 6:0:0:0: Attached scsi generic sg2 type 0
Dec 26 20:44:18 eeyore kernel: [ 2081.765926] sd 6:0:0:0: [sdb] 7744512 512-byte logical blocks: (3.96 GB/3.69 GiB)
Dec 26 20:44:18 eeyore kernel: [ 2081.768916] sd 6:0:0:0: [sdb] Write Protect is off
Dec 26 20:44:18 eeyore kernel: [ 2081.768921] sd 6:0:0:0: [sdb] Mode Sense: 0f 0e 00 00
Dec 26 20:44:18 eeyore kernel: [ 2081.768925] sd 6:0:0:0: [sdb] Assuming drive cache: write through
Dec 26 20:44:18 eeyore kernel: [ 2081.780909] sd 6:0:0:0: [sdb] Assuming drive cache: write through
Dec 26 20:44:18 eeyore kernel: [ 2081.780917] sdb: sdb1
Dec 26 20:44:18 eeyore kernel: [ 2081.795422] sd 6:0:0:0: [sdb] Assuming drive cache: write through
Dec 26 20:44:18 eeyore kernel: [ 2081.795431] sd 6:0:0:0: [sdb] Attached SCSI removable disk

lsusb:
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 003: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 005 Device 002: ID 046d:c016 Logitech, Inc. M-UV69a/HP M-UV96 Optical Wheel Mouse
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 009: ID 1004:610d LG Electronics, Inc.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

fdisk -l:
Disk /dev/sda: 250.0 GB, 250000000000 bytes
255 heads, 63 sectors/track, 30394 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x38000000

   Device Boot Start End Blocks Id System
/dev/sda1 1 7 56196 de Dell Utility
/dev/sda2 8 399 3148740 b W95 FAT32
/dev/sda3 * 400 30269 239930775 83 Linux
/dev/sda4 30270 30394 1004062+ 5 Extended
/dev/sda5 30270 30394 1004031 82 Linux swap / Solaris

Disk /dev/sdb: 3965 MB, 3965190144 bytes
49 heads, 48 sectors/track, 3292 cylinders
Units = cylinders of 2352 * 512 = 1204224 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x11680435

   Device Boot Start End Blocks Id System
/dev/sdb1 4 3293 3868160 b W95 FAT32

I hope this information helps! Let me know if you want to see anything else and if you have any suggestions to help me.

Darryl McGinnis

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actionparsnip (andrew-woodhead666) said :
#1

Find out what

Read/8, error -110

Means. It may give clues. I also suggest you copy the data off and delete the partition on the device in disk manager in windows, then use XP to create a new NTFS partition and slow format it. NTFS is more robust than FAT32 and Ubuntu can read and write it too

Can you help with this problem?

Provide an answer of your own, or ask Darryl McGinnis for more information if necessary.

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