From nobody@FreeBSD.org  Tue Feb 25 20:18:27 2014
Return-Path: <nobody@FreeBSD.org>
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
	(using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by hub.freebsd.org (Postfix) with ESMTPS id 5D9C2FC1
	for <freebsd-gnats-submit@FreeBSD.org>; Tue, 25 Feb 2014 20:18:27 +0000 (UTC)
Received: from newred.freebsd.org (cgiserv.freebsd.org [IPv6:2001:1900:2254:206a::50:4])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by mx1.freebsd.org (Postfix) with ESMTPS id 3E7E51468
	for <freebsd-gnats-submit@FreeBSD.org>; Tue, 25 Feb 2014 20:18:27 +0000 (UTC)
Received: from cgiserv.freebsd.org ([127.0.1.6])
	by newred.freebsd.org (8.14.7/8.14.7) with ESMTP id s1PKIQMf024901
	for <freebsd-gnats-submit@FreeBSD.org>; Tue, 25 Feb 2014 20:18:26 GMT
	(envelope-from nobody@cgiserv.freebsd.org)
Received: (from nobody@localhost)
	by cgiserv.freebsd.org (8.14.7/8.14.7/Submit) id s1PKIQgP024894;
	Tue, 25 Feb 2014 20:18:26 GMT
	(envelope-from nobody)
Message-Id: <201402252018.s1PKIQgP024894@cgiserv.freebsd.org>
Date: Tue, 25 Feb 2014 20:18:26 GMT
From: Richard Naill <rich@enterprisesystems.net>
To: freebsd-gnats-submit@FreeBSD.org
Subject: network data slow/stops with em driver
X-Send-Pr-Version: www-3.1
X-GNATS-Notify:

>Number:         187068
>Category:       kern
>Synopsis:       [em] network data slow/stops with em driver
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-net
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Feb 25 20:20:00 UTC 2014
>Closed-Date:    
>Last-Modified:  Sun Mar 02 03:29:47 UTC 2014
>Originator:     Richard Naill
>Release:        i386 10.0
>Organization:
Enterprise Systems Inc
>Environment:
FreeBSD horrocks.entprs 10.0-RELEASE FreeBSD 10.0-RELEASE #4: Mon Feb 24 10:09:0
8 EST 2014     root@horrocks.entprs:/usr/src/sys/i386/compile/MYKERNEL  i386
>Description:
Hardware Supermicro X9SAE with dual network gigabit intel 82574L & 82579LM ports

Software FreeBSD i386 10.0 uses em0 driver

Using ipfilter(ipf) rules with keep state options

Accessing network with telnet, data transfer slow, freezes.

Remove keep state from ipf.rules seems to fix.

Tested with a Realtek 8169 re0 network card & ipf.rules with keep state works ok

Downloaded Intel driver for em0 for BSD 9.0 will not compile.

Need to get working with em driver & keep state in ipfilter.

>How-To-Repeat:
See above
>Fix:


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->freebsd-net 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Sun Mar 2 03:29:33 UTC 2014 
Responsible-Changed-Why:  
Over to maintainer(s). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=187068 
>Unformatted:
