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From: Ion Badulescu <ion.badulescu@limegroup.com>
To: Guillaume Autran <gautran@mrv.com>
Cc: John Heffner <jheffner@psc.edu>,
	Ion Badulescu <lists@limebrokerage.com>,
	"David S. Miller" <davem@davemloft.net>,
	linux-net@vger.kernel.org, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: Possible BUG in IPv4 TCP window handling, all recent 2.4.x/2.6.x kernels
Date: Fri, 2 Sep 2005 09:48:21 -0400 (EDT)	[thread overview]
Message-ID: <Pine.LNX.4.61.0509020945550.6083@guppy.limebrokerage.com> (raw)
In-Reply-To: <43184D79.6040009@mrv.com>

On Fri, 2 Sep 2005, Guillaume Autran wrote:

> I experienced the very same problem but with window size going all the way 
> down to just a few bytes (14 bytes). dump files available upon requests :)
> Ion, how were you able to reproduce the issue ? Can the same type of traffice 
> always reproduce the issue or is it more intermittent ?

I have no problem whatsoever reproducing it, at least with the kind of 
traffic I described. I had 4 flows like that running yesterday, and all 4 
had TCP window sizes smaller than 500 bytes on the receiver by mid-day.

-Ion

  reply	other threads:[~2005-09-02 13:48 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-01 22:30 Possible BUG in IPv4 TCP window handling, all recent 2.4.x/2.6.x kernels Ion Badulescu
2005-09-01 22:43 ` David S. Miller
2005-09-01 22:49   ` Jesper Juhl
2005-09-01 22:53     ` David S. Miller
2005-09-01 22:53   ` Ion Badulescu
2005-09-01 23:37     ` Jesper Juhl
2005-09-02  2:51     ` John Heffner
2005-09-02  6:28       ` David S. Miller
2005-09-02 14:05         ` lists
2005-09-02 14:10           ` John Heffner
2005-09-02 14:33             ` lists
2005-09-02 14:48               ` John Heffner
2005-09-02 15:43                 ` Ion Badulescu
2005-09-02 13:02       ` Guillaume Autran
2005-09-02 13:48         ` Ion Badulescu [this message]
2005-09-02 13:52         ` Alexey Kuznetsov
2005-09-02 14:11           ` John Heffner
2005-09-02 13:48       ` Alexey Kuznetsov
2005-09-02 14:16         ` John Heffner
2005-09-02 15:11           ` Alexey Kuznetsov
2005-09-02 18:36     ` Alexey Kuznetsov
2005-09-02 20:57       ` Ion Badulescu
2005-09-02 21:18         ` Alexey Kuznetsov
2005-09-02 23:09           ` Ion Badulescu
2005-09-28 16:31       ` Ion Badulescu
2005-09-29 15:17         ` Alexey Kuznetsov
2005-09-29 15:34           ` Guillaume Autran
2005-09-29 16:04           ` John Heffner
2005-09-29 18:16             ` David S. Miller
2005-09-30  0:29           ` David S. Miller
2005-09-02  4:51 ` Noritoshi Demizu
2005-09-02  5:20   ` Stephen Hemminger
2005-09-02  5:45     ` Noritoshi Demizu
2005-09-02  6:11       ` Noritoshi Demizu
2005-09-02 12:11         ` Ion Badulescu

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