From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from m0.truegem.net (m0.truegem.net [69.55.228.47]) by sourceware.org (Postfix) with ESMTPS id 8F5EA3858C62 for ; Sun, 6 Nov 2022 22:50:37 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 8F5EA3858C62 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=maxrnd.com Authentication-Results: sourceware.org; spf=none smtp.mailfrom=maxrnd.com Received: (from daemon@localhost) by m0.truegem.net (8.12.11/8.12.11) id 2A6MoT4F007932 for ; Sun, 6 Nov 2022 14:50:30 -0800 (PST) (envelope-from mark@maxrnd.com) Received: from 162-235-43-67.lightspeed.irvnca.sbcglobal.net(162.235.43.67), claiming to be "[192.168.1.100]" via SMTP by m0.truegem.net, id smtpdTiotk8; Sun Nov 6 14:50:29 2022 Subject: Re: Python regression related to unix sockets To: Cygwin Mailing List References: From: Mark Geisert Message-ID: Date: Sun, 6 Nov 2022 14:50:29 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.4 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,KAM_LAZY_DOMAIN_SECURITY,NICE_REPLY_A,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi Fabian, Fabian Henze wrote: > Hi all, > > This is a follow-up on a mail thread from February 2021. > > Mark Geisert via Cygwin wrote: >> Fabian Henze via Cygwin wrote: >>> Hi Cygwin users, >>> I noticed a regression in the recent Python packages: Between version >>> 3.6.10-1 and 3.6.12-2, accessing the SSH agent via the paramiko python >>> package broke. When a ssh agent is used, paramiko tries to connect to >>> it via the unix socket and just freezes. Python 3.8 is also affected, >>> but I don't know which was the last working one. >>> I was able to pinpoint that error to 3.6.12-socketmodule.patch [1]. >>> Reverting/removing the patch fixes the ssh agent access. >>> A few weeks ago there was a discussion regarding "Problems with native >>> Unix domain sockets on Win 10/2019", but it seems unrelated as the >>> cygwin1.dll from [2] does not work for me. >>> >>> Can you please check if you are able to reproduce that? I uploaded a >>> script [3] for that. >>> >>> Best regards, >>> Fabian Henze >> >> Thanks for the report and sorry you've run into this. The patch is a workaround that's evidently too draconian. I will debug the situation using your testcase. >> Thank you very much for the testcase. > > Did you (or anyone else) make any progress on this that you can share? > Unfortunately the issue still persists in all current python versions. > If no one has time to debug and fix this, would it be an option to remove the > 3.6.12-socketmodule.patch that is causing the regression since it only fixes a > theoretical problem in unit tests, but causes real-world issues? Maybe the > upcoming (?) Python 3.10 or 3.11 bump would be a good candidate to do so? Sorry for delay in responding; I've just returned from vacation. Let me find my notes for this issue and see if I can improve on the patch or find some other solution for now-current versions of Python and/or Cygwin DLL. ..mark