From: "David S. Miller" <davem@davemloft.net>
To: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: kuznet@ms2.inr.ac.ru, rick.jones2@hp.com,
hubert.tonneau@fullpliant.org, shemminger@osdl.org,
romieu@fr.zoreil.com, netdev@oss.sgi.com
Subject: Re: 2.6.10 TCP troubles -- suggested patch
Date: Tue, 15 Feb 2005 15:25:04 -0800 [thread overview]
Message-ID: <20050215152504.5f0b139e.davem@davemloft.net> (raw)
In-Reply-To: <20050212195246.GA28895@yakov.inr.ac.ru>
On Sat, 12 Feb 2005 22:52:46 +0300
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> wrote:
> Exactly. That's why the next test should be with disabled TSO in 2.6.9.
> If too rare PSHs were a problem, it will show as the same disaster there.
>
> [ And, to be honest, in this case, I daresay MacOS X may be left with its bugs
> alone. Or we could help it with something like setting PSH when we are in slow
> start and each half of CWND after completion of slow start. Or just set
> PSH on each frame. ]
Setting it every other frame would fix the problem, just forcing it to
miss header prediction path is what is needed to avoid the silly delayed
ACK behavior. And PSH is one way to do that.
next prev parent reply other threads:[~2005-02-15 23:25 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-11 21:55 2.6.10 TCP troubles -- suggested patch Hubert Tonneau
2005-02-11 22:54 ` Rick Jones
2005-02-11 23:09 ` Nivedita Singhvi
2005-02-11 23:40 ` Rick Jones
2005-02-12 1:08 ` David S. Miller
2005-02-12 1:09 ` David S. Miller
2005-02-12 14:31 ` Alexey Kuznetsov
2005-02-12 19:28 ` David S. Miller
2005-02-12 19:44 ` Leonid Grossman
2005-02-12 19:52 ` Alexey Kuznetsov
2005-02-15 23:25 ` David S. Miller [this message]
2005-02-12 20:19 ` rick jones
2005-02-12 20:28 ` David S. Miller
2005-02-12 20:56 ` Alexey Kuznetsov
2005-02-12 21:27 ` Nivedita Singhvi
2005-02-12 21:43 ` rick jones
2005-02-12 22:00 ` Alexey Kuznetsov
2005-02-13 1:29 ` rick jones
2005-02-11 23:04 ` Stephen Hemminger
2005-02-12 1:07 ` David S. Miller
2005-02-12 12:11 ` Andi Kleen
2005-02-12 19:23 ` David S. Miller
2005-02-12 21:30 ` Andi Kleen
2005-02-12 14:16 ` Alexey Kuznetsov
2005-02-12 19:41 ` David S. Miller
2005-02-12 20:03 ` Alexey Kuznetsov
2005-02-15 23:26 ` David S. Miller
2005-02-15 23:42 ` Rick Jones
2005-02-15 23:23 ` David S. Miller
2005-02-16 9:13 ` Alexey Kuznetsov
2005-02-16 17:50 ` David S. Miller
-- strict thread matches above, loose matches on Subject: below --
2005-02-20 23:06 Hubert Tonneau
2005-02-16 20:00 Hubert Tonneau
2005-02-13 10:52 Hubert Tonneau
2005-02-14 14:12 ` Alexey Kuznetsov
2005-02-10 21:53 Hubert Tonneau
2005-02-10 22:36 ` Rick Jones
2005-02-11 1:16 ` David S. Miller
[not found] <050QTJA12@server5.heliogroup.fr>
2005-02-09 18:59 ` Stephen Hemminger
2005-02-09 20:25 ` David S. Miller
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