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Date: Wed, 20 Aug 2008 11:13:33 -0400
From: "Derek Schrock" <dereks AT lifeofadishwasher DOT com>
To: cygwin AT cygwin DOT com
Subject: SSH and reattaching screen
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Is there a known problem with Cygwin's SSH and trying to reattach to
screen sessions?  This seems to be a random occurrence but while
trying to reattach to a screen session screen will hang indefinitely.
I'm using ssh on a Mac OS X 10.5.4 system to ssh into a Windows 2003
Cygwin installation.  Using a bash alias ( alias sshhs='ssh -t
domain.com '\''screen -xDr session || screen -S session bash '\''' )
to connect and try to reattach to a session named session and if that
fails create a new screen session called session.  I've seen this hang
occur from accedently closing a Terminal window to telling ssh to
close connection ( etner ~  . ).  It is not a timed based problem
because I've let sessions sit for days that I could reattach to and
sessions that were disconnected for a second that would hang.  Also
something to take note, options like -list or -wipe will also hang
screen.  So for instance if screen is hanging I can ssh in normally
and try to do screen -list or screen -wipe and that screen will hang.
The solution to the problem currently is to ssh or Remote Desktop into
the machine and kill the hanging screen PID.  Is there something
fundmently wrong that I'm doing with ssh or screen that's causing this
in Cygwin? Thanks.

--
Derek Schrock

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