Comment 41 for bug 17881

I seem to have the same problem (Feisty).
 Copies but makes disk unmountable ("Writing Data to Device"). It eventually comes up with an error.

dmesg prints out some messages :
[ 4774.567675] usb 5-7: reset high speed USB device using ehci_hcd and address 3
a few times
[ 4940.351209] usb 5-7: device descriptor read/64, error -71
 4942.254493] usb 5-7: USB disconnect, address 3
[ 4942.257576] sd 3:0:0:0: SCSI error: return code = 0x00010000
[ 4942.257583] end_request: I/O error, dev sdc, sector 327375191
[ 4942.257614] Buffer I/O error on device sdc7, logical block 237295400