From: Eric Dumazet <eric.dumazet@gmail.com>
To: jorge@dti2.net, David Miller <davem@davemloft.net>
Cc: Linux Network Development list <netdev@vger.kernel.org>
Subject: Re: [PATCH] udp: fix for unicast RX path optimization
Date: Thu, 08 Apr 2010 17:12:27 +0200 [thread overview]
Message-ID: <1270739547.2215.61.camel@edumazet-laptop> (raw)
In-Reply-To: <4BBDEEB0.7060003@dti2.net>
Le jeudi 08 avril 2010 à 16:56 +0200, Jorge Boncompte [DTI2] a écrit :
> Commits 5051ebd275de672b807c28d93002c2fb0514a3c9 and
> 5051ebd275de672b807c28d93002c2fb0514a3c9 ("ipv[46]: udp: optimize unicast RX
> path") broke some programs.
>
> After upgrading a L2TP server to 2.6.33 it started to fail, tunnels going up an
> down, after the 10th tunnel came up. My modified rp-l2tp uses a global
> unconnected socket bound to (INADDR_ANY, 1701) and one connected socket per
> tunnel after parameter negotiation.
>
> After ten sockets were open and due to mixed parameters to
> udp[46]_lib_lookup2() kernel started to drop packets.
>
> Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Oops...
Thank you for finding this bug, this is indeed the right fix.
This is a stable candidate. David, can you catch it even if Jorge didnt
sent you a copy ?
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
next prev parent reply other threads:[~2010-04-08 15:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-08 14:56 [PATCH] udp: fix for unicast RX path optimization Jorge Boncompte [DTI2]
2010-04-08 15:12 ` Eric Dumazet [this message]
2010-04-08 18:16 ` David Miller
2010-04-08 18:30 ` David Miller
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