--- Lib/test/test_threading.py.orig	2008-08-19 03:45:09.000000000 +1000
+++ Lib/test/test_threading.py	2008-09-15 22:59:12.000000000 +1000
@@ -380,6 +380,9 @@
         import os
         if not hasattr(os, 'fork'):
             return
+        # platforms with known problems forking from a worker thread
+        if sys.platform in ('freebsd4', 'freebsd5', 'freebsd6', 'os2emx'):
+            return
         script = """if 1:
             main_thread = threading.current_thread()
             def worker():