Occurs repeatedly on AMD64 debian parallel.

======================================================================
FAIL: test_extractall (test.test_tarfile.MiscReadTest)
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Traceback (most recent call last):
  File "/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/Lib/test/test_tarfile.py", line 331, in test_extractall
    self.assertEqual(tarinfo.mtime, os.path.getmtime(path))
AssertionError: 1041808783 != 1041808783.000001

======================================================================
FAIL: test_extractall (test.test_tarfile.GzipMiscReadTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/Lib/test/test_tarfile.py", line 331, in test_extractall
    self.assertEqual(tarinfo.mtime, os.path.getmtime(path))
AssertionError: 1041808783 != 1041808783.000003

======================================================================
FAIL: test_extractall (test.test_tarfile.Bz2MiscReadTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/Lib/test/test_tarfile.py", line 331, in test_extractall
    self.assertEqual(tarinfo.mtime, os.path.getmtime(path))
AssertionError: 1041808783 != 1041808783.000005

----------------------------------------------------------------------
Ran 230 tests in 6.681s

FAILED (failures=3)
test test_tarfile crashed -- <class 'OSError'>: [Errno 16] Device or resource busy: '/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/build/test_python_21179/@test_21179_tmp/.nfs000000000004f3b30000060b'
Traceback (most recent call last):
  File "/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/Lib/test/test_tarfile.py", line 1560, in test_main
    support.run_unittest(*tests)
  File "/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/Lib/test/support.py", line 1078, in run_unittest
    _run_suite(suite)
  File "/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/Lib/test/support.py", line 1061, in _run_suite
    raise TestFailed(err)
test.support.TestFailed: multiple errors occurred

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "./Lib/test/regrtest.py", line 942, in runtest_inner
  File "/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/Lib/test/test_tarfile.py", line 1563, in test_main
    shutil.rmtree(TEMPDIR)
  File "/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/Lib/shutil.py", line 283, in rmtree
    onerror(os.remove, fullname, sys.exc_info())
  File "/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/Lib/shutil.py", line 281, in rmtree
    os.remove(fullname)
OSError: [Errno 16] Device or resource busy: '/var/autofs/net/homedir/home/martin.vonloewis/buildarea/3.x.loewis-parallel2/build/build/test_python_21179/@test_21179_tmp/.nfs000000000004f3b30000060b'

http://www.python.org/dev/buildbot/builders/AMD64%20debian%20parallel%203.x/builds/94