netdev - Re: Linux 2.6.25-rc6: WARNING: at net/ipv4/tcp

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Message-ID: <Pine.LNX.4.64.0804031315360.21524@wrl-59.cs.helsinki.fi>
Date:	Thu, 3 Apr 2008 13:17:44 +0300 (EEST)
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	Georgi Chorbadzhiyski <gf@...xsol.org>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Netdev <netdev@...r.kernel.org>
Subject: Re: Linux 2.6.25-rc6: WARNING: at net/ipv4/tcp_input.c:2510

On Thu, 27 Mar 2008, Georgi Chorbadzhiyski wrote:

> A week ago I updated one of my servers to 2.6.25-rc6 and today looking
> through logs I've found these:
> 
> [380219.823434] ------------[ cut here ]------------
> [380219.823450] WARNING: at net/ipv4/tcp_input.c:2510 tcp_ack+0xc7e/0x177d()

Hi,

Is this reproducable for you? If yes, is it possible for you to run 
processing expensive verification of TCP state (validates TCP write queue 
invariants multiple times per ACK by scanning through the write queue) on 
such machine?

-- 
 i.
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