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From: Andi Kleen <ak@suse.de>
To: "David S. Miller" <davem@davemloft.net>
Cc: marc@corky.net, netdev@vger.kernel.org
Subject: Re: Disabling "TCP Treason uncloaked"
Date: Wed, 3 May 2006 08:52:15 +0200	[thread overview]
Message-ID: <200605030852.16002.ak@suse.de> (raw)
In-Reply-To: <20060502.233246.92272407.davem@davemloft.net>

On Wednesday 03 May 2006 08:32, David S. Miller wrote:
> From: Andi Kleen <ak@suse.de>
> Date: Tue, 2 May 2006 18:02:43 +0200
> 
> > On Tuesday 02 May 2006 18:19, Just Marc wrote:
> > 
> > > I thought that maybe it's time to either set TCP_DEBUG to 0 or 
> > > alternatively allow an admin to toggle the printing of this message 
> > > off/on?  On a few busy web servers running usually latest versions of 
> > > 2.6 I have this message displaying hundreds (if not more) times a day, 
> > 
> > You're talking to a lot of broken TCP clients then.
> 
> Herbert Xu also fixed a bug that would cause that message
> to be emitted erroneously, 9 times out of 10 that is why
> people are seeing these messages.

Still if Marc has hundreds per day that would be still tens
per day - and someone with even more traffic than Marc
would have hundreds per day again.

> I think disabling that message is a non-starter, we want to
> see the message because as we've seen it can point to bugs
> on our end too.

Just having the counter would help with that already, no?
Also the default for the sysctl could be maybe switched in -rc* and final? 

-Andi

  reply	other threads:[~2006-05-03  6:52 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-02 16:19 Disabling "TCP Treason uncloaked" Just Marc
2006-05-02 16:02 ` Andi Kleen
2006-05-03  4:44   ` Just Marc
2006-05-03  6:32   ` David S. Miller
2006-05-03  6:52     ` Andi Kleen [this message]
2006-05-03  8:06     ` Just Marc
2006-05-02 23:00 ` Herbert Xu
2006-05-03  4:10   ` Auke Kok
2006-05-03  4:46   ` Just Marc
2006-05-03  7:05     ` Herbert Xu
2006-05-03 11:47       ` Ingo Oeser
2006-05-03 12:21         ` Herbert Xu
2006-05-03 13:08         ` Just Marc
2006-05-03 12:11           ` Herbert Xu
2006-05-03 13:25             ` Just Marc
2006-05-03 12:49       ` Just Marc
2006-05-03 11:56         ` Herbert Xu
2006-05-03 12:15           ` Alexey Toptygin
2006-05-03 13:19             ` Herbert Xu
2006-05-03 13:11           ` Just Marc

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