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From: "Ilpo Järvinen" <ilpo.jarvinen@helsinki.fi>
To: Guillaume Chazarain <guichaz@gmail.com>
Cc: Giangiacomo Mariotti <giangiacomo_mariotti@yahoo.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Netdev <netdev@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: WARNING: at net/ipv4/tcp_input.c:2054 tcp_mark_head_lost()
Date: Wed, 27 Feb 2008 21:29:08 +0200 (EET)	[thread overview]
Message-ID: <Pine.LNX.4.64.0802272120430.1741@kivilampi-30.cs.helsinki.fi> (raw)
In-Reply-To: <3d8471ca0802271056l320a7ee2m5227e114a968d483@mail.gmail.com>

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On Wed, 27 Feb 2008, Guillaume Chazarain wrote:

> On Wed, Feb 27, 2008 at 10:29 AM, Ilpo Järvinen 
> <ilpo.jarvinen@helsinki.fi> wrote:
> > I did in the past a debug patch
> >  that verifies TCP's write queue state by the hard way, ie., by 
> >  bruteforce
> >  walking often enough to catch inconsistencies early enough to find 
> >  out
> >  the root cause.
> 
> Are you talking about this one:
> http://marc.info/?l=linux-netdev&m=119482084511178 ?
> I attached a forward port to current git.

No, I'd much more complete set of tests than in that one.

> I am using this patch, and caught this maybe related error while 
> Bittorrenting:
>
> KERNEL: assertion (packets <= tp->packets_out) failed at
> /home/g/linux-2.6/net/ipv4/tcp_input.c (2145)
> KERNEL: assertion (packets <= tp->packets_out) failed at
> /home/g/linux-2.6/net/ipv4/tcp_input.c (2145)
> ------------[ cut here ]------------
> WARNING: at /home/g/linux-2.6/net/ipv4/tcp_input.c:2515
> tcp_fastretrans_alert+0xa5/0xa4f()

You seem to be good in catching these... :-)


-- 
 i.

  reply	other threads:[~2008-02-27 19:29 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-21  4:04 Giangiacomo Mariotti
2008-02-23  8:03 ` Andrew Morton
2008-02-27  9:29   ` Ilpo Järvinen
2008-02-27 18:56     ` Guillaume Chazarain
2008-02-27 19:29       ` Ilpo Järvinen [this message]
2008-02-28  8:22         ` Ilpo Järvinen
2008-02-29  1:10           ` Andrew Morton
2008-02-29  4:35             ` Bill Fink
2008-02-29 12:24               ` Ilpo Järvinen
2008-03-02 12:20           ` Guillaume Chazarain
2008-03-02 12:38             ` Ilpo Järvinen
2008-03-02 13:15               ` Guillaume Chazarain
2008-03-02 19:51                 ` Ilpo Järvinen
2008-03-03  8:32                   ` Ilpo Järvinen
2008-03-03 13:40                     ` Ilpo Järvinen
2008-03-03 13:53                       ` [PATCH net-2.6] [TCP]: Must count fack_count also when skipping Ilpo Järvinen
2008-03-03 20:11                         ` David Miller
2008-03-24 20:36                         ` Frederik Himpe
2008-03-24 21:41                           ` David Miller
2008-03-25 21:24                             ` Ilpo Järvinen
2008-03-26  3:05                               ` David Miller

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