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From: Stephen Hemminger <stephen@networkplumber.org>
To: David Miller <davem@davemloft.net>
Cc: eric.dumazet@gmail.com, netdev@vger.kernel.org
Subject: Re: [Bug 194723] connect() to localhost stalls after 4.9 -> 4.10 upgrade
Date: Thu, 16 Mar 2017 09:27:17 -0700	[thread overview]
Message-ID: <20170316092717.30b605aa@xeon-e3> (raw)
In-Reply-To: <20170315.153017.1728029219325534654.davem@davemloft.net>

On Wed, 15 Mar 2017 15:30:17 -0700 (PDT)
David Miller <davem@davemloft.net> wrote:

> From: Eric Dumazet <eric.dumazet@gmail.com>
> Date: Wed, 15 Mar 2017 14:40:34 -0700
> 
> > Finally time to get rid of buggy tw_recycle, that apparently some
> > distros set to one.  
> 
> It's not buggy, it's just not designed in a way that it can work in
> the presence of NAT.
> 
> So yes, indeed, NO DISTRO SHOULD CHANGE THE VALUE TO "1" by default.
> 
> Is CentOS the only culprit?
> 
> But removing it is unnecessary, people who know what they are doing
> can legitimately enable it if they know that there is no NAT going
> on in their paths.

The bug was reported first on CentOs but the bugzilla entry mentions
the same problem exists on Arch Linux. Ubuntu (and Debian) do not have
the problem. RHEL 7 also ok.

https://bugzilla.kernel.org/show_bug.cgi?id=194723

      reply	other threads:[~2017-03-16 16:27 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-15 20:36 Fw: [Bug 194723] connect() to localhost stalls after 4.9 -> 4.10 upgrade Stephen Hemminger
2017-03-15 21:40 ` Eric Dumazet
2017-03-15 22:30   ` David Miller
2017-03-16 16:27     ` Stephen Hemminger [this message]

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