Well, with fresh build of Python 3.1rc1 on MacOS X 10.4.11 Tiger (Intel) test_asynchat.py rev 73183 still seems to 
fail, perhaps differently.  Here is 3 different results.  First, rev 73183:

% ./python.exe  Lib/test/test_asynchat73183.py
test_close_when_done (__main__.TestAsynchat) ... ok
test_empty_line (__main__.TestAsynchat) ... ok
test_line_terminator1 (__main__.TestAsynchat) ... ok
test_line_terminator2 (__main__.TestAsynchat) ... ok
test_line_terminator3 (__main__.TestAsynchat) ... ok
test_none_terminator (__main__.TestAsynchat) ... ok
test_numeric_terminator1 (__main__.TestAsynchat) ... ok
test_numeric_terminator2 (__main__.TestAsynchat) ... ok
test_simple_producer (__main__.TestAsynchat) ... ok
test_string_producer (__main__.TestAsynchat) ... ok
test_close_when_done (__main__.TestAsynchat_WithPoll) ... ok
test_empty_line (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x10835b0> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_line_terminator1 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083550> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x1083610> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x10835f0> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_line_terminator2 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083630> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x1083870> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x10838b0> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_line_terminator3 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083610> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x1083550> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x10835f0> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_none_terminator (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083550> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_numeric_terminator1 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083630> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_numeric_terminator2 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x10837f0> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_simple_producer (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083910> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_string_producer (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x10835b0> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_find_prefix_at_end (__main__.TestHelperFunctions) ... ok
test_basic (__main__.TestFifo) ... ok
test_given_list (__main__.TestFifo) ... ok

----------------------------------------------------------------------
Ran 23 tests in 7.717s

OK


Second, this is the result of test_asyncat.py included in Python 3.1rc1:

% ./python.exe Lib/test/test_asynchat.py
test_close_when_done (__main__.TestAsynchat) ... ok
test_empty_line (__main__.TestAsynchat) ... ok
test_line_terminator1 (__main__.TestAsynchat) ... ok
test_line_terminator2 (__main__.TestAsynchat) ... ok
test_line_terminator3 (__main__.TestAsynchat) ... ok
test_none_terminator (__main__.TestAsynchat) ... ok
test_numeric_terminator1 (__main__.TestAsynchat) ... ok
test_numeric_terminator2 (__main__.TestAsynchat) ... ok
test_simple_producer (__main__.TestAsynchat) ... ok
test_string_producer (__main__.TestAsynchat) ... ok
test_close_when_done (__main__.TestAsynchat_WithPoll) ... ok
test_empty_line (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x10835b0> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_line_terminator1 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083550> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x1083610> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x10835f0> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_line_terminator2 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083630> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x1083870> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x10838b0> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_line_terminator3 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083610> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x1083550> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
error: uncaptured python exception, closing channel <__main__.echo_client at 0x10835f0> (<class 
'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_none_terminator (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083550> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_numeric_terminator1 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083670> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_numeric_terminator2 (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x10837f0> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_simple_producer (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x1083910> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_string_producer (__main__.TestAsynchat_WithPoll) ... error: uncaptured python exception, closing channel 
<__main__.echo_client at 0x10835b0> (<class 'socket.error'>:[Errno 9] Bad file descriptor [../Python-
3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
ok
test_find_prefix_at_end (__main__.TestHelperFunctions) ... ok
test_basic (__main__.TestFifo) ... ok
test_given_list (__main__.TestFifo) ... ok

----------------------------------------------------------------------
Ran 23 tests in 7.721s

OK


Both are not the exact same, but equivalent.  Lastly, here are 4 snippets from the 'make test' output.

....<deleted>....

test test_asynchat produced unexpected output:
**********************************************************************
*** lines 2-16 of actual output doesn't appear in expected output after line 1:
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x22704f0> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x2270b10> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x22704b0> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x2270470> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x22703d0> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x2270450> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x22704f0> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x22704b0> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x2270b10> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x2270530> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x2270b10> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x2270470> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x22704d0> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x22709f0> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
+ error: uncaptured python exception, closing channel <test.test_asynchat.echo_client at 0x2270b10> (<class 
'socket.error'
>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [../Tools/Python-
3.1rc1/Lib/asyncore.py|handle_expt_event|440])
**********************************************************************
....<deleted>....

test_cmd_line
test test_cmd_line failed -- Traceback (most recent call last):
  File "../Tools/Python-3.1rc1/Lib/test/test_cmd_line.py", line 145, in test_run_code
    0)
AssertionError: 1 != 0
....<deleted>....

test test_smtplib produced unexpected output:
**********************************************************************
*** line 2 of actual output doesn't appear in expected output after line 1:
+ error: uncaptured python exception, closing channel <test.test_smtplib.SimSMTPChannel 127.0.0.1:50714 at 
0x3b21ff0> (<cl
ass 'socket.error'>:[Errno 9] Bad file descriptor [../Python-3.1rc1/Lib/asyncore.py|readwrite|106] [/Users/
../Python-3.1rc1/Lib/asyncore.py|handle_expt_event|440])
**********************************************************************
....<deleted>....

308 tests OK.
3 tests failed:
    test_asynchat test_cmd_line test_smtplib
25 tests skipped:
    test_codecmaps_cn test_codecmaps_hk test_codecmaps_jp
    test_codecmaps_kr test_codecmaps_tw test_curses test_dbm_gnu
    test_epoll test_largefile test_nis test_normalization
    test_ossaudiodev test_pep277 test_smtpnet test_socketserver
    test_startfile test_timeout test_tk test_ttk_guionly
    test_urllib2net test_urllibnet test_winreg test_winsound
    test_xmlrpc_net test_zipfile64
Those skips are all expected on darwin.
make: *** [test] Error 1