This procedure deals with a problem, that can occur, when working with encrypted USB storage devices.
In our example, a FreeBSD operating system fail to handle the attachment of an encrypted external USB storage device.
The system message buffer reveals, that there is a problem with USB.
dmesg
umass0: BBB reset failed, IOERROR
umass0: BBB bulk-in clear stall failed, IOERROR
umass0: [...]