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To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject:	Python regression related to unix sockets
Thread-Topic:	Python regression related to unix sockets
Thread-Index:	AdcJRS7P/nJt0ZlJT9OdJfova3T2oA==
Date:	Tue, 23 Feb 2021 08:29:01 +0000
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From:	Fabian Henze via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Fabian Henze <fabian DOT henze AT webfleet DOT com>
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X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id 11N8TASO032603

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

[1] https://bugs.python.org/file49717/3.6.12-socketmodule.patch
[2] https://cygwin.com/snapshots/x86_64/cygwin1-20210201.dll.xz
[3] https://gist.github.com/henzef/4e553fad2335227b8f6b4550cd3fa543

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