From: Eric Dumazet <eric.dumazet@gmail.com>
To: Thomas Graf <tgraf@infradead.org>
Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org
Subject: Re: [RFC] random SYN drops causing connect() delays
Date: Wed, 28 Apr 2010 07:52:46 +0200 [thread overview]
Message-ID: <1272433966.2343.34.camel@edumazet-laptop> (raw)
In-Reply-To: <20100428044443.GL19763@bombadil.infradead.org>
Le mercredi 28 avril 2010 à 00:44 -0400, Thomas Graf a écrit :
> On Tue, Apr 27, 2010 at 06:56:02PM -0700, David Miller wrote:
> > I can't reproduce on my system even with sched_child_runs_first set to '1'.
> >
> > Are you running identd or something like that which intercepts the connections
> > to port 22 before 'sshd' actually gets it?
>
> No, sshd is listening on the port directly.
>
> I am having more difficulties to reproduce the issue with the latest git tree. It
> still happens but I sometimes have to run the test several times to get a single
> delayed connection attempt.
On machine/kernel reproducing the behavior, please send
grep . /proc/sys/net/ipv4/*
next prev parent reply other threads:[~2010-04-28 5:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-12 8:06 [RFC] random SYN drops causing connect() delays Thomas Graf
2010-04-12 8:39 ` Thomas Graf
2010-04-28 1:56 ` David Miller
2010-04-28 4:44 ` Thomas Graf
2010-04-28 5:52 ` Eric Dumazet [this message]
2010-04-28 6:11 ` Thomas Graf
2010-04-14 11:37 ` Lennart Schulte
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