It seems like test_socketserver leaks child processes on the "x86 Gentoo Refleaks 3.6" buildbot, but I'm unable to reproduce the bug.
http://buildbot.python.org/all/builders/x86%20Gentoo%20Refleaks%203.6/builds/49/steps/test/logs/stdio
0:48:11 load avg: 3.91 [154/405/2] test_socketserver failed -- running: test_decimal (630 sec)
Warning -- reap_children() reaped child process 1044
beginning 6 repetitions
123456
Warning -- reap_children() reaped child process 1104
Warning -- reap_children() reaped child process 1115
.Warning -- reap_children() reaped child process 1170
Warning -- reap_children() reaped child process 1175
Warning -- reap_children() reaped child process 1184
.Warning -- reap_children() reaped child process 1249
.Warning -- reap_children() reaped child process 1311
Warning -- reap_children() reaped child process 1316
...
test_socketserver leaked [1, 1, 1] memory blocks, sum=3
(...)
test_ForkingUnixStreamServer (test.test_socketserver.SocketServerTest) ... creating server
ADDR = /tmp/unix_socket.hqh5x95a
CLASS = <class 'test.test_socketserver.ForkingUnixStreamServer'>
server running
test client 0
test client 1
test client 2
waiting for server
done
Warning -- reap_children() reaped child process 17938
ok
test_ForkingUnixDatagramServer (test.test_socketserver.SocketServerTest) ... creating server
ADDR = /tmp/unix_socket.gry6ulhp
CLASS = <class 'test.test_socketserver.ForkingUnixDatagramServer'>
server running
test client 0
test client 1
test client 2
waiting for server
done
Warning -- reap_children() reaped child process 18212
ok
test_ForkingUDPServer (test.test_socketserver.SocketServerTest) ... creating server
ADDR = ('127.0.0.1', 43415)
CLASS = <class 'socketserver.ForkingUDPServer'>
server running
test client 0
test client 1
test client 2
waiting for server
done
Warning -- reap_children() reaped child process 18281
ok
test_ForkingUnixDatagramServer (test.test_socketserver.SocketServerTest)