chainsaw@prometheus ~ $ python2.6 
/usr/lib64/python2.6/test/test_fcntl.py
struct.pack: 
'\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0
0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
test_fcntl_64_bit (__main__.TestFcntl) ... ERROR
test_fcntl_file_descriptor (__main__.TestFcntl) ... ok
test_fcntl_fileno (__main__.TestFcntl) ... Status from fcntl with 
O_NONBLOCK: 
0
String from fcntl with F_SETLKW: 
'\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0
0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
ok

======================================================================
ERROR: test_fcntl_64_bit (__main__.TestFcntl)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib64/python2.6/test/test_fcntl.py", line 96, in 
test_fcntl_64_bit
    fcntl.fcntl(fd, cmd, flags)
IOError: [Errno 22] Invalid argument

----------------------------------------------------------------------
Ran 3 tests in 0.000s

FAILED (errors=1)
Traceback (most recent call last):
  File "/usr/lib64/python2.6/test/test_fcntl.py", line 105, in <module>
    test_main()
  File "/usr/lib64/python2.6/test/test_fcntl.py", line 102, in test_main
    run_unittest(TestFcntl)
  File "/usr/lib64/python2.6/test/test_support.py", line 724, in 
run_unittest
    _run_suite(suite)
  File "/usr/lib64/python2.6/test/test_support.py", line 707, in 
_run_suite
    raise TestFailed(err)
test.test_support.TestFailed: Traceback (most recent call last):
  File "/usr/lib64/python2.6/test/test_fcntl.py", line 96, in 
test_fcntl_64_bit
    fcntl.fcntl(fd, cmd, flags)
IOError: [Errno 22] Invalid argument