From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: pasik@iki.fi, hannes@stressinduktion.org,
stephen@networkplumber.org, netdev@vger.kernel.org,
ncardwell@google.com, ycheng@google.com
Subject: Re: [PATCH] tcp: fix an infinite loop in tcp_slow_start()
Date: Sun, 03 Feb 2013 16:01:04 -0500 (EST) [thread overview]
Message-ID: <20130203.160104.248557521548380645.davem@davemloft.net> (raw)
In-Reply-To: <1359818596.30177.84.camel@edumazet-glaptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sat, 02 Feb 2013 07:23:16 -0800
> From: Eric Dumazet <edumazet@google.com>
>
> Since commit 9dc274151a548 (tcp: fix ABC in tcp_slow_start()),
> a nul snd_cwnd triggers an infinite loop in tcp_slow_start()
>
> Avoid this infinite loop and log a one time error for further
> analysis. FRTO code is suspected to cause this bug.
>
> Reported-by: Pasi Kärkkäinen <pasik@iki.fi>
> Signed-off-by: Eric Dumazet <edumazet@google.com>
Applied.
prev parent reply other threads:[~2013-02-03 21:01 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-23 16:12 Linux 3.6.x kernel crash in tcp_slow_start / bictcp_cong_avoid with wfica Pasi Kärkkäinen
2013-01-23 21:44 ` Hannes Frederic Sowa
2013-01-23 21:51 ` Pasi Kärkkäinen
2013-01-23 22:00 ` Hannes Frederic Sowa
2013-01-24 7:14 ` Pasi Kärkkäinen
2013-01-23 22:25 ` Eric Dumazet
2013-01-23 23:26 ` Stephen Hemminger
2013-01-23 23:41 ` Hannes Frederic Sowa
2013-01-23 23:47 ` Eric Dumazet
2013-01-24 6:59 ` Pasi Kärkkäinen
2013-01-24 13:51 ` Hannes Frederic Sowa
2013-02-02 3:51 ` Eric Dumazet
2013-02-02 14:28 ` Pasi Kärkkäinen
2013-02-02 15:14 ` [PATCH] tcp: tcp_process_frto() should not set snd_cwnd to 0 Eric Dumazet
2013-02-02 15:57 ` Neal Cardwell
2013-02-02 17:32 ` Eric Dumazet
2013-02-03 19:13 ` [PATCH] tcp: frto " Eric Dumazet
2013-02-03 21:01 ` David Miller
2013-02-04 12:14 ` Ilpo Järvinen
2013-02-04 15:07 ` Eric Dumazet
2013-02-05 19:44 ` Eric Dumazet
2013-02-05 19:49 ` Neal Cardwell
2013-02-06 20:55 ` David Miller
2013-02-06 21:13 ` Pasi Kärkkäinen
2013-02-06 21:19 ` David Miller
2013-02-06 21:21 ` Pasi Kärkkäinen
2013-02-02 15:23 ` [PATCH] tcp: fix an infinite loop in tcp_slow_start() Eric Dumazet
2013-02-03 21:01 ` David Miller [this message]
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