From owner-freebsd-current@FreeBSD.ORG Fri Dec 12 02:05:49 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5485C1065691 for ; Fri, 12 Dec 2008 02:05:49 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from rv-out-0506.google.com (rv-out-0506.google.com [209.85.198.229]) by mx1.freebsd.org (Postfix) with ESMTP id 122898FC2A for ; Fri, 12 Dec 2008 02:05:49 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: by rv-out-0506.google.com with SMTP id b25so1146860rvf.43 for ; Thu, 11 Dec 2008 18:05:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:received:received:date:from :to:cc:subject:message-id:reply-to:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=VGHNQt/wN7pdqIbmEPrjFxy7A1vfa2y4pzp3bVqh+Mk=; b=jtQ2HApU/aha81+STV2/9ay65s11vFTkYSr3xGvHl6WPkaGHrWZOUXyi+gCXmW6W1v q1IkoATm8rbNPCtdpeQWnt0UY3MDRteZ/0lBUSVR/AsVhu/n5kMH+9lnrkR3zq/jGdnM NoiCMEEK8dbbjTJQs8mmgMPtGmvpRvlQSvfiY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:reply-to:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=nhEvfd2sbUB3F4Zp37TgKERdrajtwm8/LOnuP8KzMU2LxbxFKstOglnqUuyhaKhJcv aPDRFHSEdRg/eyqLvXV+U3Ga7/W0Jcye/VdWtkRUjo1qnTmKc8Qo497mRV7bw6ZNJMNc ctXysEf+HeDc4dZFxyIfCASjl97FqO7Ovpw5g= Received: by 10.140.201.8 with SMTP id y8mr1626819rvf.101.1229047548804; Thu, 11 Dec 2008 18:05:48 -0800 (PST) Received: from michelle.cdnetworks.co.kr ([211.53.35.84]) by mx.google.com with ESMTPS id k2sm3438822rvb.8.2008.12.11.18.05.44 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 11 Dec 2008 18:05:45 -0800 (PST) Received: from michelle.cdnetworks.co.kr (localhost.cdnetworks.co.kr [127.0.0.1]) by michelle.cdnetworks.co.kr (8.13.5/8.13.5) with ESMTP id mBC25d4f047299 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 12 Dec 2008 11:05:39 +0900 (KST) (envelope-from pyunyh@gmail.com) Received: (from yongari@localhost) by michelle.cdnetworks.co.kr (8.13.5/8.13.5/Submit) id mBC25dmg047298; Fri, 12 Dec 2008 11:05:39 +0900 (KST) (envelope-from pyunyh@gmail.com) Date: Fri, 12 Dec 2008 11:05:39 +0900 From: Pyun YongHyeon To: Josh Carroll Message-ID: <20081212020539.GI46707@cdnetworks.co.kr> References: <490F47BE.9080205@janh.de> <20081104015235.GC98154@cdnetworks.co.kr> <4910C055.8000505@janh.de> <20081105013558.GA99795@cdnetworks.co.kr> <20081203090658.GJ9639@cdnetworks.co.kr> <37502393@bb.ipt.ru> <20081206023016.GF22093@cdnetworks.co.kr> <539c60b90812081127s4ffb509fnea9d44d4298da666@mail.gmail.com> <8cb6106e0812081252j2b0c8e78g4dcecf8d3770c269@mail.gmail.com> <8cb6106e0812101745l54b23a08k7fbeddeb605f88ea@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8cb6106e0812101745l54b23a08k7fbeddeb605f88ea@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Cc: Steve Franks , current-list freebsd Subject: Re: Call for testers: Atheros AR8121(L1E)/AR8113/AR8114(L2E) ethernet X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Dec 2008 02:05:49 -0000 On Wed, Dec 10, 2008 at 08:45:56PM -0500, Josh Carroll wrote: > > ale0@pci0:2:0:0: class=0x020000 card=0x82261043 chip=0x10261969 > > rev=0xb0 hdr=0x00 > > vendor = 'Attansic (Now owned by Atheros)' > > class = network > > subclass = ethernet > > > > iperf (ale0 as -s): [ 3] 0.0-10.0 sec 1.10 GBytes 941 Mbits/sec > > iperf (ale0 as -c): [ 3] 0.0-10.0 sec 1.08 GBytes 931 Mbits/sec > > > > So all seems well here. > > Well, I spoke too soon. Overall gigE throughput wise and day to day > activities (NAT'd 20 Mbit FiOS) were fine. > > Tonight, however, I went to watch a 720p video (~4 Mbps bitrate or > less) on my Popcorn Hour over NFS which has worked fine in the past. > It was extremely "jerky" and unwatchable. Figuring perhaps the Popcorn > Hour had an issue, I fired up an NFS server on another box and the > video streamed just fine. I then rebooted this box and threw in a > trusty old PCI em(4) card, and all is well. > > I tried playing with these two sysctl knobs for ale0: > > dev.ale.0.int_rx_mod > > and > > dev.ale.0.int_tx_mod > > I tried setting both to 0 and both to higher numbers on the documented > scale (10000 I believe), neither of which helped. I imagine since what > I want here is a "smoother" transmission, setting int_tx_mod to 0 is > what would have the most effect, but the video still was not playable > with it set to 0. > > I've since disabled the ale0 interface in the BIOS and I'm using the > em(4) for now. > > Is there another knob for ale I should try adjusting? > Would you show me the output of "sysctl dev.ale.0.stats"? -- Regards, Pyun YongHyeon