linux-kernel - Re: WARNING: at net/ipv4/tcp

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Message-ID: <CADVnQyk_6LYW2nyjccWjv1NmjivXf5cXBqJ+LsZLjGyOj7kddQ@mail.gmail.com>
Date:	Tue, 6 Mar 2012 00:46:28 -0500
From:	Neal Cardwell <ncardwell@...gle.com>
To:	Christian Kujau <lists@...dbynature.de>
Cc:	netdev@...r.kernel.org, markus@...ppelsdorf.de,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: WARNING: at net/ipv4/tcp_input.c:3418

On Wed, Feb 29, 2012 at 12:41 PM, Christian Kujau <lists@...dbynature.de> wrote:
> This is still happening with 3.3.0-rc5, .config & dmesg here:
>
>   http://nerdbynature.de/bits/3.3.0-rc4/ipv4/

I was finally able to reproduce this issue where there are warnings
about sacked_out going negative (since 3.3.0-rc4), and my testing
shows that this patch seems to fix the issue:

  http://patchwork.ozlabs.org/patch/144844/

For folks who were seeing this problem and are so inclined, feel free
to try the latest 3.3-rc6 kernel (or davem's "net" tree in git, if
that's easier) with that patch applied, and let me know how it goes.

thanks,
neal
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