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Date: Sun, 30 Jun 2024 11:46:29 +0300
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To: Brian Inglis via Cygwin <cygwin AT cygwin DOT com>, cygwin AT cygwin DOT com
Subject: Re: ssh-add -l hangs under cygwin test 3.6.0-0.139.g...
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From: Andrey Repin via Cygwin <cygwin AT cygwin DOT com>
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Greetings, Brian Inglis via Cygwin!

>> I have experienced otherwise inexplicable hangs of ssh that have been resolved
>> by killing ssh-agent and restarting it. This doesn't happen very often, so it is
>> usually mystifying when it does occur -- until I remember.

> I have *NEVER* had *ANY* issues using (Open)ssh etc. for remote login,
> shell, commands, file trees, or git (and earlier vcs) access, professionally
> and personally, over many years, releases, and systems, mainly from
> Cygwin/-X shells and sessions (due to using mainly Windows desktops with
> various Unix servers), with/out authorized_keys, passphrases, and/or
> keychain, until these recent instances under the test build.

Notebook goes to sleep with agent running.
Notebook comes from sleep a few days later.
Any request to agent hangs infinitely.

I have a guard script running that kill and restart the agent every hour if
it is not responding within five seconds.

This is not 100% reproducible, and hard to test due to timing issue, but the
pattern is very noticeable.


-- 
With best regards,
Andrey Repin
Sunday, June 30, 2024 11:42:51

Sorry for my terrible english...


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