X-Recipient:	archive-cygwin AT delorie DOT com
X-Original-To:	cygwin AT cygwin DOT com
Delivered-To:	cygwin AT cygwin DOT com
DMARC-Filter:	OpenDMARC Filter v1.4.1 sourceware.org 321D83858D37
Authentication-Results:	sourceware.org;
	dmarc=none (p=none dis=none) header.from=pdinc.us
Authentication-Results:	sourceware.org; spf=pass smtp.mailfrom=pdinc.us
DKIM-Filter:	OpenDKIM Filter v2.11.0 mail1.pdinc.us 233BlHqk012965
DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=pdinc.us; s=default;
	t=1648986438; bh=BpZQUBL5y0izZ28dffTTVkJbdXHXrnIHj0sWiDlS8Ss=;
	h=From:To:References:In-Reply-To:Subject:Date:From;
	b=dAEhy5Q77dt6gIgBDh78qQiK0L4sAEESF/SZaRC6lcQX3Ou9HPuozYgeuRuyYXCuQ
	sWMpgbM4JDY4ZMBoeENlpV6+BPSjFtoxUy/IdAu4e2ddcEBwrn2q0UM2dt9szL+edl
	shdgjFUQnaNufc6YSof0WARn7O3BWU9bKzXofHEO7NjasUqkoYk5XPLezoRfMvHriJ
	b6Zsc9hVdbd1TMIamrI5FhujtwUQyah7QHUMxw2BcRcovYiUVMnrPmzsafOKHSLi6t
	pgXD0v1t9p4WyDxzmxoDDyrfe9H7rQBeF3XROfnAPp1X2siJwxKpFa7IjG7TpXnA/S
	+dJ44dEjcoLpA==
From:	"Jason Pyeron" <jpyeron AT pdinc DOT us>
To:	<cygwin AT cygwin DOT com>
References:	<3ed89752-9676-a668-f63c-1a9b7662d7b5 AT jhmg DOT net>
	<f5b7d892m7j DOT fsf AT ecclerig DOT inf DOT ed DOT ac DOT uk>
In-Reply-To:	<f5b7d892m7j.fsf@ecclerig.inf.ed.ac.uk>
Subject:	RE: [cygwin] Re: OpenSSH 8.9p1-1 Connects successfully but then hangs
	- Killing ssh-agent resolves the issue
Date:	Sun, 3 Apr 2022 07:47:16 -0400
Message-ID:	<000401d84750$9147d7b0$b3d78710$@pdinc.us>
MIME-Version:	1.0
X-Mailer:	Microsoft Outlook 15.0
Thread-Index:	AQGSrhZKxvL0A3JPMR2yC8SQRqTZCQI9uVchrVdU9JA=
X-Spam-Status:	No, score=0.2 required=5.0 tests=BAYES_20, DKIM_SIGNED,
	DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_INFOUSMEBIZ, SPF_HELO_PASS,
	SPF_PASS, TXREP,
	T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.4
X-Spam-Checker-Version:	SpamAssassin 3.4.4 (2020-01-24) on
	server2.sourceware.org
X-BeenThere:	cygwin AT cygwin DOT com
X-Mailman-Version:	2.1.29
List-Id:	General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Archive:	<https://cygwin.com/pipermail/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe:	<https://cygwin.com/mailman/listinfo/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
Sender:	"Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

> -----Original Message-----
> From: Henry S. Thompson
> Sent: Friday, April 1, 2022 5:21 AM
> 
> Jim Garrison via Cygwin writes:
> 
> > My Cygwin ssh client stopped working... It would successfully connect to
> > the remote (Debian) host but then hang without displaying the command
> > prompt.  See debug output attached, as well as cygcheck output.
> >
> > I decided to run setup to see if there was a newer version of openssh.
> > In preparation for that I always terminate all Cygwin processes because
> > they will interfere with the update.  I killed the ssh-agent process and
> > on a whim decided to try connecting again.  This time it worked.
> >
> > This would seem to indicate something in ssh-agent is interfering with
> > the connection.  There are no credentials loaded into ssh-agent.
> 
> There are reports out there of ssh-agent getting stuck: just out of
> curiousity if this happens again, check to see if ssh-agent is using
> 100% of a CPU.  If so then search for "ssh-agent" "100% CPU" to see
> what the likely culprits are.

I did not find much with that search. I found https://cygwin.com/pipermail/cygwin/2010-January/183237.html but the issue description and resolution was useless.

Do you have certain search results in mind? This happens to me several times a month - on multiple systems. Note this started within the past 3 years.


-- 
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple

- Raw text -