[issue9619] test_ssl freezes

2010-08-15 Thread Antoine Pitrou 

New submission from Antoine Pitrou pit...@free.fr:

Recently there have been test_ssl freezes on the buildbots. They seem to happen 
in the asyncore test case:

http://www.python.org/dev/buildbot/builders/i386%20Ubuntu%203.x/builds/1903/steps/test/logs/stdio
http://www.python.org/dev/buildbot/builders/x86%20Ubuntu%203.x/builds/1742/steps/test/logs/stdio

test_asyncore_server (test.test_ssl.ThreadedTests)
Check the example asyncore integration. ... 
 server:  new connection from 127.0.0.1:36622
 client:  sending b'FOO\n'...
 server:  read b'FOO\n' from client
 client:  read b'foo\n'
 client:  closing connection.
 server:  read b'over\n' from client
 server:  closed connection ssl.SSLSocket [closed]  object, fd=-1, family=2, 
type=1, proto=0
 server:  read b'' from client


The only significant change recently in ssl has been r83869, and asyncore 
doesn't seem to have recent any important changes lately.

--
components: Library (Lib), Tests
messages: 114024
nosy: giampaolo.rodola, pitrou
priority: normal
severity: normal
status: open
title: test_ssl freezes
versions: Python 3.2

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[issue9619] test_ssl freezes

2010-08-15 Thread Antoine Pitrou 

Antoine Pitrou pit...@free.fr added the comment:

Actually, this can be reproduced by running test_smtpd before test_ssl:

$ ./python -m test.regrtest -v -uall test_smtpd test_ssl

It then freezes at that point:

[...]
test_asyncore_server (test.test_ssl.ThreadedTests)
Check the example asyncore integration. ... 
 server:  new connection from 127.0.0.1:46707
 client:  sending b'FOO\n'...
 server:  read b'FOO\n' from client
 client:  read b'foo\n'
 client:  closing connection.
 server:  read b'over\n' from client
 client:  connection closed.
 cleanup: stopping server.
 cleanup: joining server thread.
 server:  closed connection ssl.SSLSocket [closed]  object, fd=-1, family=2, 
type=1, proto=0
 server:  read b'' from client

If you press the return key, it unfreezes the test (does test_smtpd register 
file descriptor 0 (stdin) in asyncore?) and prints the following error:

error: uncaptured python exception, closing channel smtpd.SMTPChannel 
connected 'c' at 0x2c4c370 (class 'IndexError':pop from empty list 
[/home/antoine/py3k/debug/Lib/asyncore.py|read|79] 
[/home/antoine/py3k/debug/Lib/asyncore.py|handle_read_event|435] 
[/home/antoine/py3k/debug/Lib/asynchat.py|handle_read|128] 
[/home/antoine/py3k/debug/Lib/asyncore.py|recv|375] 
[/home/antoine/py3k/debug/Lib/test/mock_socket.py|recv|47])

--
nosy: +richard

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[issue9619] test_ssl freezes

2010-08-15 Thread Antoine Pitrou 

Antoine Pitrou pit...@free.fr added the comment:

 does test_smtpd register file descriptor 0 (stdin) in asyncore?

After some debug prints, it turns out to be the case.
One general problem is asyncore's global socket_map, which means it can leak 
between tests if some tests fail cleaning correctly after themselves.

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[issue9619] test_ssl freezes

2010-08-15 Thread Antoine Pitrou 

Antoine Pitrou pit...@free.fr added the comment:

In r84086, I've added a save/restore guard of asyncore.socket_map to the 
regression test suite. It also warns when a test fails to leave the socket_map 
in its initial test. test_smtpd is the only test that displays the warning.

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[issue9619] test_ssl freezes

2010-08-15 Thread Richard Jones 

Richard Jones richardjo...@optushome.com.au added the comment:

Thanks for the investigation Antoine.

In r84088 I've added a call to asyncore.close_all in the smtpd test tearDown 
methods.

--
resolution:  - fixed
status: open - closed

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