Path: csiph.com!usenet.pasdenom.info!news.albasani.net!newsfeed.freenet.ag!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.015 X-Spam-Evidence: '*H*': 0.97; '*S*': 0.00; '64-bit': 0.07; 'bug.': 0.09; 'claimed': 0.09; 'pointers': 0.09; 'terry': 0.09; 'wrong,': 0.09; 'python': 0.10; 'developers,': 0.10; 'bug': 0.11; 'jan': 0.11; 'antoine': 0.16; 'appear.': 0.16; 'received:80.91': 0.16; 'received:80.91.229': 0.16; 'received:gmane.org': 0.16; 'received:list': 0.16; 'reedy': 0.16; 'subject:SSL': 0.16; '(the': 0.17; 'wrote:': 0.17; 'dec': 0.18; 'fix': 0.18; 'script.': 0.22; 'header:In-Reply-To:1': 0.23; 'header:User-Agent:1': 0.26; 'linux': 0.26; 'url:bugs': 0.27; '(this': 0.27; 'header:X -Complaints-To:1': 0.28; 'context.': 0.29; 'fixed': 0.30; "i'm": 0.30; 'code': 0.31; 'url:python': 0.31; 'appreciated.': 0.32; 'michael': 0.33; 'weeks': 0.34; 'getting': 0.35; 'should': 0.35; 'moved': 0.35; 'to:addr:python-list': 0.35; 'problem': 0.35; 'there': 0.35; 'url:org': 0.35; 'something': 0.36; 'reported': 0.36; 'said': 0.36; 'but': 0.36; 'subject:: ': 0.37; 'pm,': 0.38; 'remote': 0.38; 'end': 0.38; 'changed': 0.39; 'to:addr:python.org': 0.39; 'hello,': 0.39; 'received:org': 0.39; 'header:Received:5': 0.39; 'where': 0.40; 'latest': 0.60; 'subject:, ': 0.61; 'first': 0.62; 'more': 0.63; 'different': 0.63; 'hours': 0.64; 'show': 0.64; 'suspect': 0.66; 'making': 0.67; 'believe': 0.68; 'behavior': 0.70; 'attention': 0.73; 'hanging': 0.84; 'indefinitely': 0.84; 'received:fios.verizon.net': 0.84; '3.3': 0.91 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Terry Reedy Subject: Re: SSL handshake hanging, despite bugfix in stdlib Date: Sun, 24 Jun 2012 01:12:56 -0400 References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: pool-74-109-121-73.phlapa.fios.verizon.net User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:13.0) Gecko/20120614 Thunderbird/13.0.1 In-Reply-To: X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 38 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1340514787 news.xs4all.nl 6910 [2001:888:2000:d::a6]:33038 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:24380 On 6/23/2012 1:29 PM, Michael Gundlach wrote: > Hello, > > http://bugs.python.org/issue5103 fixed a bug in Python2.6 where SSL's I believe the fix first appeared in 2.6.6. > handshake would hang indefinitely if the remote end hangs. > > However, I'm getting hanging behavior in an IMAP script. When I Ctrl-C > it after hours of hanging, I get the same stacktrace as reported in > http://bugs.python.org/issue1251#msg72363 , though Antoine said that > r80452 fixed issue 5103 as well as this bug. He claimed that it should fix 1251, but I cannot see that there was a dependable code for making the problem appear. > (This behavior started only in the last couple of weeks after a longer > period working correctly, so I suspect something changed on GMail's end > to trigger the bug.) Possible. > Am I do something wrong, or is this bug still not fixed? Any pointers > would be appreciated. Python 2.6.6 (r266:84292, Dec 7 2011, 20:48:22) > on 64-bit Linux 2.6.32. > Michael If you want any attention from developers, you will have to show a problem with 2.7.3 or latest 3.2+. I do not know that there is much change in 2.7, but I know there is more in change in 3.3 (the do_handshake call is moved and has a different context. -- Terry Jan Reedy