From owner-freebsd-stable@FreeBSD.ORG Sun Dec 6 05:28:12 2009 Return-Path: Delivered-To: stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6EC14106566B for ; Sun, 6 Dec 2009 05:28:12 +0000 (UTC) (envelope-from hrs@FreeBSD.org) Received: from mail.allbsd.org (gatekeeper-int.allbsd.org [IPv6:2001:2f0:104:e002::2]) by mx1.freebsd.org (Postfix) with ESMTP id 8FE8E8FC0C for ; Sun, 6 Dec 2009 05:28:11 +0000 (UTC) Received: from delta.allbsd.org (p3177-ipbf416funabasi.chiba.ocn.ne.jp [123.225.92.177]) (authenticated bits=128) by mail.allbsd.org (8.14.3/8.14.3) with ESMTP id nB65RjiX064167; Sun, 6 Dec 2009 14:27:57 +0900 (JST) (envelope-from hrs@FreeBSD.org) Received: from localhost (alph.allbsd.org [192.168.0.10]) (authenticated bits=0) by delta.allbsd.org (8.13.4/8.13.4) with ESMTP id nB65RfUc059764; Sun, 6 Dec 2009 14:27:42 +0900 (JST) (envelope-from hrs@FreeBSD.org) Date: Sun, 06 Dec 2009 14:27:20 +0900 (JST) Message-Id: <20091206.142720.79407994.hrs@allbsd.org> To: john@jnielsen.net From: Hiroki Sato In-Reply-To: <1E3C66EA-A6D3-44D7-B28E-BF068FFF16A6@jnielsen.net> References: <20091203.182931.129751456.hrs@allbsd.org> <20091205.184017.30030575.hrs@allbsd.org> <1E3C66EA-A6D3-44D7-B28E-BF068FFF16A6@jnielsen.net> X-PGPkey-fingerprint: BDB3 443F A5DD B3D0 A530 FFD7 4F2C D3D8 2793 CF2D X-Mailer: Mew version 6.3rc1 on Emacs 22.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Multipart/Signed; protocol="application/pgp-signature"; micalg=pgp-sha1; boundary="--Security_Multipart(Sun_Dec__6_14_27_20_2009_900)--" Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.95.3 at gatekeeper.allbsd.org X-Virus-Status: Clean X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.3 (mail.allbsd.org [133.31.130.32]); Sun, 06 Dec 2009 14:28:03 +0900 (JST) X-Spam-Status: No, score=-5.6 required=13.0 tests=AWL,BAYES_00, CONTENT_TYPE_PRESENT, SPF_SOFTFAIL, X_MAILER_PRESENT autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on gatekeeper.allbsd.org Cc: stable@FreeBSD.org, jfvogel@gmail.com Subject: Re: em interface slow down on 8.0R X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Dec 2009 05:28:12 -0000 ----Security_Multipart(Sun_Dec__6_14_27_20_2009_900)-- Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit John Nielsen wrote in <1E3C66EA-A6D3-44D7-B28E-BF068FFF16A6@jnielsen.net>: jo> On Dec 5, 2009, at 4:40 AM, Hiroki Sato wrote: jo> jo> > Hiroki Sato wrote jo> > in <20091203.182931.129751456.hrs@allbsd.org>: jo> > jo> > hr> And another thing, I noticed a box with 82573E and 82573L jo> > sometimes jo> > hr> got stuck after upgrading to 8.0-STABLE. It has moderate network jo> > hr> load (average 5-10Mbps) on both NICs. It worked for a day or two jo> > and jo> > hr> then got stuck suddenly. Rebooting the box solved the situation, jo> > but jo> > hr> it got stuck again after a day or so. After it happens, the jo> > hr> interface does not respond. The other functionalities of FreeBSD jo> > hr> seemed working. Doing an up/down cycle for the NICs seemed to jo> > send jo> > hr> some packets, but it did not recover completely; rebooting was jo> > needed jo> > hr> for recovery. This box does not have the RTT problem. I am still jo> > hr> not sure what is the trigger, there seems something wrong. jo> > jo> > Things turned out for this symptom so far are: jo> > jo> > - This occurs around once per 1-2 days. jo> > jo> > - Once it occurs, all of communications including ARP and IPv4 stop. jo> > jo> > - "ifconfig em0 down/up" can recover the interface. However, on doing jo> > "up" after "down" the following message was displayed: jo> > jo> > # ifconfig em0 up jo> > em0: Could not setup receive structures jo> > jo> > After trying it several times it worked. jo> > jo> > Then, the interface seemed back to normal for a couple of minutes, jo> > but it stopped again. jo> > jo> > I guess there is a kind of deadlock somewhere but not sure it is jo> > really related to the em(4) driver. I will continue to investigate jo> > anyway. jo> jo> I'm curious, what speed/duplex is your interface using and is it jo> statically set or using autoselect? No manual configuration. Two em's are set as the following: | media: Ethernet autoselect (1000baseT ) It is mainly used for NFS server. The actual communication speed was around 700Mbps at peak. -- Hiroki ----Security_Multipart(Sun_Dec__6_14_27_20_2009_900)-- Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEABECAAYFAksbQLgACgkQTyzT2CeTzy1vhgCfRnhijZg6aeNpZxi98KEueA03 y/QAniB/6siRKW2kSkVS//b6RLVkfbLQ =BGA6 -----END PGP SIGNATURE----- ----Security_Multipart(Sun_Dec__6_14_27_20_2009_900)----