From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-1?Q?D=E2niel?= Fraga <fragabr@gmail.com>
Subject: Re: [PATCH] tcp FRTO: in-order-only "TCP proxy" fragility
 workaround
Date: Mon, 22 Sep 2008 13:13:39 -0300
Message-ID: <20080922131339.79abf28a@tux>
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Cc: David Miller <davem@davemloft.net>, thomas.jarosch@intra2net.com,
	billfink@mindspring.com, Netdev <netdev@vger.kernel.org>,
	Patrick Hardy <kaber@trash.net>,
	netfilter-devel@vger.kernel.org, kadlec@blackhole.kfki.hu
To: "Ilpo =?ISO-8859-1?Q?J=E4rvinen?=" <ilpo.jarvinen@helsinki.fi>
Return-path: <netfilter-devel-owner@vger.kernel.org>
In-Reply-To: <Pine.LNX.4.64.0809221112140.1950@wrl-59.cs.helsinki.fi>
Sender: netfilter-devel-owner@vger.kernel.org
List-Id: netdev.vger.kernel.org

On Mon, 22 Sep 2008 14:22:12 +0300 (EEST)
"Ilpo J=E4rvinen" <ilpo.jarvinen@helsinki.fi> wrote:

> It seems that next sensible step is to just obtain a full strace to s=
ee=20
> what actually took place during those long minutes if anything (it's=20
> better that you keep that log private and just use grep over it on=20
> request). ...A full strace might grow huge though. Also, for strace u=
se=20
> -tt instead of -t to get more accurate timestamps and add -T.
>=20
> When you get the stall next time, please also check that the processe=
s are=20
> actually sleeping instead of looping like crazy in some buggy userspa=
ce=20
> code :-) (obviously before resolving it with nmap).
>=20
> When using nmap to resolve, take note on exact timestamp (including=20
> seconds). E.g.,=20
> $ date > nmap.ts; nmap ...

	Thanks! Today I'm lucky. I got the stall fast. It seems that it
happens more frequently as more connections are made.

	What should I grep?

--=20
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