From: Eric Dumazet <eric.dumazet@gmail.com>
To: "Krzysztof Olędzki" <ole@ans.pl>
Cc: netdev@vger.kernel.org
Subject: Re: 2.6.34: Problem with UDP traffic on lo + poll(?)
Date: Mon, 06 Sep 2010 22:29:15 +0200 [thread overview]
Message-ID: <1283804955.2585.12.camel@edumazet-laptop> (raw)
In-Reply-To: <4C854737.5040503@ans.pl>
Le lundi 06 septembre 2010 à 21:55 +0200, Krzysztof Olędzki a écrit :
> Yes, conntrack is one of possibilities. However, this problem only
> manifests on 2.6.34 and never on 2.6.31 where iptables and conntrack
> configurations are identically. And of course, each time it is a
> different port.
>
> Please also note that this problem only exists when communication is
> handled over a loopback interface - I'm not able to trigger this from a
> remote host even if I run the test on two hosts (local & remote)
> simultaneously.
>
No particular error shown in "netstat -s" ?
port randomization on UDP changed in the past, and conntracking changed
a bit too ;)
next prev parent reply other threads:[~2010-09-06 20:29 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-06 17:11 2.6.34: Problem with UDP traffic on lo + poll(?) Krzysztof Oledzki
2010-09-06 19:42 ` Eric Dumazet
2010-09-06 19:55 ` Krzysztof Olędzki
2010-09-06 20:29 ` Eric Dumazet [this message]
2010-09-06 20:44 ` Krzysztof Olędzki
2010-09-06 20:48 ` Krzysztof Olędzki
2010-09-07 15:37 ` Krzysztof Olędzki
2010-09-07 16:36 ` Eric Dumazet
2010-09-07 19:20 ` Krzysztof Olędzki
2010-09-07 19:26 ` Eric Dumazet
2010-09-07 19:59 ` David Miller
2010-09-07 21:35 ` [PATCH] inet: dont set inet_rcv_saddr in connect() Eric Dumazet
2010-09-07 21:52 ` Krzysztof Olędzki
2010-09-08 2:16 ` David Miller
2010-09-08 4:13 ` Eric Dumazet
2010-09-08 2:34 ` Brian Haley
2010-09-08 3:34 ` David Miller
2010-09-08 4:42 ` Eric Dumazet
2010-09-08 5:51 ` David Miller
2010-09-08 4:57 ` Eric Dumazet
2010-09-08 5:36 ` David Miller
2010-09-08 5:52 ` Eric Dumazet
2010-09-08 10:10 ` [PATCH] udp: add rehash on connect() Eric Dumazet
2010-09-08 15:06 ` Krzysztof Olędzki
2010-09-08 15:17 ` Eric Dumazet
2010-09-08 15:29 ` Krzysztof Olędzki
2010-09-08 15:08 ` [PATCH v2] " Eric Dumazet
2010-09-08 16:52 ` Krzysztof Olędzki
2010-09-09 4:39 ` David Miller
2010-09-08 14:27 ` [PATCH] inet: dont set inet_rcv_saddr in connect() Eric Dumazet
2010-09-07 21:28 ` 2.6.34: Problem with UDP traffic on lo + poll(?) Krzysztof Olędzki
2010-09-07 21:39 ` Eric Dumazet
2010-09-07 21:51 ` Krzysztof Olędzki
2010-09-08 4:12 ` Eric Dumazet
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