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Date:      Mon, 1 Apr 2002 02:24:53 -0800
From:      "Crist J. Clark" <crist.clark@attbi.com>
To:        John Hay <jhay@icomtek.csir.co.za>
Cc:        Henrik Larsson <freebsd@spambox.dk>, freebsd-bugs@FreeBSD.ORG
Subject:   Re: misc/36368: sshd error:  session_close_by_channel: kill xxxxxx: No such process
Message-ID:  <20020401022453.P99214@blossom.cjclark.org>
In-Reply-To: <200204010831.g318V1K47539@zibbi.icomtek.csir.co.za>; from jhay@icomtek.csir.co.za on Mon, Apr 01, 2002 at 10:31:01AM %2B0200
References:  <20020401000441.M99214@blossom.cjclark.org> <200204010831.g318V1K47539@zibbi.icomtek.csir.co.za>

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On Mon, Apr 01, 2002 at 10:31:01AM +0200, John Hay wrote:
> > On Sun, Mar 31, 2002 at 09:20:04AM -0800, Henrik Larsson wrote:
> > > The following reply was made to PR misc/36368; it has been noted by GNATS.
> > > 
> > > From: Henrik Larsson <freebsd@spambox.dk>
> > > To: freebsd-gnats-submit@FreeBSD.org, freebsd@spambox.dk
> > > Cc:  
> > > Subject: Re: misc/36368: sshd error:  session_close_by_channel: kill
> > >   xxxxxx: No such process
> > > Date: Sun, 31 Mar 2002 19:19:57 +0200
> > > 
> > >   > A little more detail on how to reproduce this? I can't.
> > >  
> > >  It is very simple.
> > >  
> > >  Login with sftp then logout.
> > >  
> > >  This produce the message in my message log.
> > 
> > OK, on one machine I do,
> > 
> >   $ sftp buttercup
> >   Connecting to buttercup...
> >   sftp> ls
> >   drwxr-xr-x    3 cjc      cjc           512 Mar 19 03:22 .
> >   drwxr-xr-x    3 root     wheel         512 Aug 29  2001 ..
> >   -rw-r--r--    1 cjc      cjc          1576 Aug 29  2001 .cshrc
> ...
> >   -rw-r--r--    1 cjc      cjc           630 Mar 19 03:22 setupsetilog.sh
> >   sftp> exit
> >   $
> > 
> > And on the server I logged into, buttercup,
> > 
> >   $ grep sshd /var/log/messages
> >   $ grep sshd /var/log/authlog | tail -2
> >   Apr  1 00:01:26 <auth.info> buttercup sshd[20796]: Accepted publickey for cjc from 192.168.64.60 port 3606 ssh2
> >   Apr  1 00:01:26 <auth.info> buttercup sshd[20796]: subsystem request for sftp
> > 
> > No errors.
> 
> You are lucky. I think it also have a little to do with timing. I had the
> problem when using bitkeeper over ssh too. After first blaming bitkeeper,
> they determined that it was openssh 2.9. I upgraded all my machines that
> use bitkeeper to openssh 3.x and the problems went away. Now if you look
> in the release notes for bitkeeper, you will see this:
> 
> ###################################################################
> OpenSSH version 2.9 has a bug which can cause lost EOF errors when used as
> a BitKeeper transport, especially over slow links.  We've confirmed that 
> the problem has been fixed as of version 2.9.9; get an update at 
> http://www.openssh.com/portable.html
> ###################################################################

There's not a lot we can do about this possible bug unless we have
reasonably reliable way to reproduce it.
-- 
Crist J. Clark                     |     cjclark@alum.mit.edu
                                   |     cjclark@jhu.edu
http://people.freebsd.org/~cjc/    |     cjc@freebsd.org

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