From owner-freebsd-net@FreeBSD.ORG  Tue Oct  6 04:38:41 2009
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 29393106566B
	for <freebsd-net@freebsd.org>; Tue,  6 Oct 2009 04:38:41 +0000 (UTC)
	(envelope-from rihad@mail.ru)
Received: from mx76.mail.ru (mx76.mail.ru [94.100.176.91])
	by mx1.freebsd.org (Postfix) with ESMTP id D5C738FC12
	for <freebsd-net@freebsd.org>; Tue,  6 Oct 2009 04:38:40 +0000 (UTC)
Received: from [217.25.27.27] (port=47775 helo=[217.25.27.27])
	by mx76.mail.ru with asmtp 
	id 1Mv1ot-000K1T-00; Tue, 06 Oct 2009 08:38:39 +0400
Message-ID: <4ACAC9CE.7080900@mail.ru>
Date: Tue, 06 Oct 2009 09:38:38 +0500
From: rihad <rihad@mail.ru>
User-Agent: Mozilla-Thunderbird 2.0.0.22 (X11/20090706)
MIME-Version: 1.0
To: Eugene Grosbein <eugen@kuzbass.ru>
References: <20091005095600.GA73335@svzserv.kemerovo.su>
	<4AC9CFF7.3090208@mail.ru>
	<20091005110726.GA62598@onelab2.iet.unipi.it>
	<4AC9D87E.7000005@mail.ru>
	<20091005120418.GA63131@onelab2.iet.unipi.it>
	<4AC9E29B.6080908@mail.ru>
	<20091005123230.GA64167@onelab2.iet.unipi.it>
	<4AC9EFDF.4080302@mail.ru>
	<20091005140409.GB89194@svzserv.kemerovo.su>
	<4ACA02F7.6040409@mail.ru>
	<20091006042153.GA5857@svzserv.kemerovo.su>
In-Reply-To: <20091006042153.GA5857@svzserv.kemerovo.su>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
X-Spam: Not detected
X-Mras: Ok
Cc: freebsd-net@freebsd.org, Luigi Rizzo <rizzo@iet.unipi.it>
Subject: Re: dummynet dropping too many packets
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 06 Oct 2009 04:38:41 -0000

Eugene Grosbein wrote:
> On Mon, Oct 05, 2009 at 07:30:15PM +0500, rihad wrote:
> 
>>>> How do I investigate and fix this burstiness issue?
>>> Please also show:
>>>
>>> sysctl net.isr
>>> sysctl net.inet.ip.intr_queue_maxlen
>> net.isr.swi_count: 65461359
>> net.isr.drop: 0
>> net.isr.queued: 32843752
>> net.isr.deferred: 0
>> net.isr.directed: -723075002
>> net.isr.count: -723074001
>> net.isr.direct: 1
>>
>> net.inet.ip.intr_queue_maxlen: 50
> 
> Try to increase net.inet.ip.intr_queue_maxlen uptio 4096.
> 
You sure? Packets are never dropped once I add "allow ip from any to 
any" before pipes, effectively turning dummynet off. Yet I've doubled it 
for starters (50->100) let's see if it works in an hour or so, when it's 
10:30 here.