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I put here the result when i reattached the usb device if anyone could explain what was that means.

[ 8404.685192] usb 2-1.1: USB disconnect, device number 28
[ 8404.688451] scsi 28:0:0:0: rejecting I/O to offline device
[ 8404.688458] scsi 28:0:0:0: killing request
[ 8404.688595] scsi 28:0:0:0: [sdb] Asking for cache data failed
[ 8404.688598] scsi 28:0:0:0: [sdb] Assuming drive cache: write through
[ 8404.789828] ACPI Error: [\_PR_.P002] Namespace lookup failure, AE_NOT_FOUND (20121018/psargs-359)
[ 8404.789838] ACPI Error: Method parse/execution failed [\SMIE] (Node ffff880131dbcaf0), AE_NOT_FOUND (20121018/psparse-537)
[ 8404.789845] ACPI Error: Method parse/execution failed [\NEVT] (Node ffff880131dbc9d8), AE_NOT_FOUND (20121018/psparse-537)
[ 8404.789850] ACPI Error: Method parse/execution failed [\_GPE._L11] (Node ffff880131dbcbb8), AE_NOT_FOUND (20121018/psparse-537)
[ 8404.789858] ACPI Exception: AE_NOT_FOUND, while evaluating GPE method [_L11] (20121018/evgpe-580)
[ 8410.110152] usb 2-1.1: new high-speed USB device number 29 using ehci-pci
[ 8410.205464] usb 2-1.1: New USB device found, idVendor=1b3f, idProduct=0c52
[ 8410.205474] usb 2-1.1: New USB device strings: Mfr=1, Product=1, SerialNumber=1
[ 8410.205480] usb 2-1.1: Product: Generic USB Mass Storage Device
[ 8410.205485] usb 2-1.1: Manufacturer: Generic USB Mass Storage Device
[ 8410.205490] usb 2-1.1: SerialNumber: Generic USB Mass Storage Device
[ 8410.207527] scsi29 : usb-storage 2-1.1:1.0
[ 8411.206189] scsi 29:0:0:0: Direct-Access     GENPLUS  USB-MSDC DISK A  1.00 PQ: 0 ANSI: 0
[ 8411.207360] sd 29:0:0:0: Attached scsi generic sg2 type 0
[ 8411.210307] sd 29:0:0:0: [sdb] Test WP failed, assume Write Enabled
[ 8411.211767] sd 29:0:0:0: [sdb] Asking for cache data failed
  1. Why it asks for cache data on usb device?
  2. When I try to mount it manually using command mount, it tells me 'medium not found'
  3. Is it possible to get this device mounted?

Thanks.

share|improve this question
    
What command are you using to manually mount? –  thefourtheye May 19 '13 at 3:03
    
mount -t vfat /dev/sdb /path –  Weldan Jamili Jun 9 '13 at 17:06
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