sudo heimdall flash --verbose --BOOT recovery.img --RECOVERY recovery.img
[sudo] password for wirsinddienacht: 
Heimdall v1.4.0

Copyright (c) 2010-2013, Benjamin Dobell, Glass Echidna
http://www.glassechidna.com.au/

This software is provided free of charge. Copying and redistribution is
encouraged.

If you appreciate this software and you would like to support future
development please consider donating:
http://www.glassechidna.com.au/donate/

Initialising connection...
Detecting device...
      Manufacturer: "Sasmsung"
           Product: "MSM8960"

            length: 18
      device class: 2
               S/N: 0
           VID:PID: 04E8:685D
         bcdDevice: 0100
   iMan:iProd:iSer: 1:2:0
          nb confs: 1

interface[0].altsetting[0]: num endpoints = 1
   Class.SubClass.Protocol: 02.02.01
       endpoint[0].address: 82
           max packet size: 0010
          polling interval: 09

interface[1].altsetting[0]: num endpoints = 2
   Class.SubClass.Protocol: 0A.00.00
       endpoint[0].address: 81
           max packet size: 0200
          polling interval: 00
       endpoint[1].address: 01
           max packet size: 0200
          polling interval: 00
Claiming interface...
Attempt failed. Detaching driver...
Claiming interface again...
Setting up interface...

Initialising protocol...
WARNING: Control transfer #1 failed. Result: -9
WARNING: Control transfer #2 failed. Result: -9
WARNING: Control transfer #3 failed. Result: -9
WARNING: Control transfer #4 failed. Result: -9
WARNING: Control transfer #5 failed. Result: -9
WARNING: Control transfer #6 failed. Result: -9
Protocol initialisation successful.

Beginning session...

Some devices may take up to 2 minutes to respond.
Please be patient!

Session begun.

Downloading device's PIT file...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet.
ERROR: Failed to send request to end PIT file transfer!
ERROR: Failed to download PIT file!
Ending session...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet. Retrying...
ERROR: libusb error -7 whilst sending packet.
ERROR: Failed to send end session packet!
Releasing device interface...
Re-attaching kernel driver...