From owner-freebsd-net@FreeBSD.ORG Thu Sep 9 21:18:35 2010 Return-Path: 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 767E310656AB for ; Thu, 9 Sep 2010 21:18:35 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from mail-pw0-f54.google.com (mail-pw0-f54.google.com [209.85.160.54]) by mx1.freebsd.org (Postfix) with ESMTP id 4302E8FC1C for ; Thu, 9 Sep 2010 21:18:35 +0000 (UTC) Received: by pwi8 with SMTP id 8so828649pwi.13 for ; Thu, 09 Sep 2010 14:18:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:received:from:date:to:cc :subject:message-id:reply-to:references:mime-version:content-type :content-disposition:in-reply-to:user-agent; bh=JKyFu6rm3dpyzOp2+gXvXGACMqrbUilVcp+GegEddaI=; b=CchE5CeYJVnNwgdVyg4DEYGIhCgieRyfEswRB7p7UUYAl3Yopc/lC6tWfkby525lo9 0Enmg4hQfXYVJZkfCLslWLe5XgXh/1HDTLgA31zjO6EY/FksaFUifUefDI18fxB4HfYL NSSD192wnMaURN+5pUoEqoL4inf68jaAIo9Ws= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:date:to:cc:subject:message-id:reply-to:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=ic2Lb9B7V70XctEHHx8tRYkalAJVFhZACQJTEMd0Ake8cgWqFqzMthKAf/NjWBLNXD heQr1SX54L2KVjAFOMwwW921jYzyxrSRFs1kxsMfLjXCCZIQiTK2zd2mbFQJZkhkjTwB Tn2R/UAjHyrT/SshVbLTdPfxacFhwIT7JNes0= Received: by 10.114.110.16 with SMTP id i16mr85698wac.208.1284067107829; Thu, 09 Sep 2010 14:18:27 -0700 (PDT) Received: from pyunyh@gmail.com ([174.35.1.224]) by mx.google.com with ESMTPS id k23sm3003290waf.17.2010.09.09.14.18.25 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 09 Sep 2010 14:18:26 -0700 (PDT) Received: by pyunyh@gmail.com (sSMTP sendmail emulation); Thu, 9 Sep 2010 14:18:08 -0700 From: Pyun YongHyeon Date: Thu, 9 Sep 2010 14:18:08 -0700 To: Igor Sysoev Message-ID: <20100909211808.GJ7203@michelle.cdnetworks.com> References: <20100909102826.GB53812@rambler-co.ru> <20100909201050.GG7203@michelle.cdnetworks.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="w7PDEPdKQumQfZlR" Content-Disposition: inline In-Reply-To: <20100909201050.GG7203@michelle.cdnetworks.com> User-Agent: Mutt/1.4.2.3i Cc: freebsd-net@freebsd.org Subject: Re: bge hangs on recent 7.3-STABLE X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Sep 2010 21:18:35 -0000 --w7PDEPdKQumQfZlR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Sep 09, 2010 at 01:10:50PM -0700, Pyun YongHyeon wrote: > On Thu, Sep 09, 2010 at 02:28:26PM +0400, Igor Sysoev wrote: > > Hi, > > > > I have several hosts running FreeBSD/amd64 7.2-STABLE updated on 11.01.2010 > > and 25.02.2010. Hosts process about 10K input and 10K output packets/s > > without issues. One of them, however, is loaded more than others, so it > > processes 20K/20K packets/s. > > > > Recently, I have upgraded one host to 7.3-STABLE, 24.08.2010. > > Then bge on this host hung two times. I was able to restart it from > > console using: > > /etc/rc.d/netif restart bge0 > > > > Then I have upgraded the most loaded (20K/20K) host to 7.3-STABLE, 07.09.2010. > > After reboot bge hung every several seconds. I was able to restart it, > > but bge hung again after several seconds. > > > > Then I have downgraded this host to 7.3-STABLE, 14.08.2010, since there > > were several if_bge.c commits on 15.08.2010. The same hangs. > > Then I have downgraded this host to 7.3-STABLE, 17.03.2010, before > > the first if_bge.c commit after 25.02.2010. Now it runs without hangs. > > > > The hosts are amd64 dual core SMP with 4G machines. bge information: > > > > bge0@pci0:4:0:0: class=0x020000 card=0x165914e4 chip=0x165914e4 rev=0x11 hdr=0x00 > > vendor = 'Broadcom Corporation' > > device = 'NetXtreme Gigabit Ethernet PCI Express (BCM5721)' > > > > bge0: mem 0xfe5f0000-0xfe5fffff irq 19 at device 0.0 on pci4 > > miibus1: on bge0 > > brgphy0: PHY 1 on miibus1 > > brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto > > bge0: Ethernet address: 00:e0:81:5f:6e:8a > > > > Could you show me verbose boot message(bge part only)? > Also show me the output of "pciconf -lcbv". > Forgot to send a patch. Let me know whether attached patch fixes the issue or not. --w7PDEPdKQumQfZlR Content-Type: text/x-diff; charset=us-ascii Content-Disposition: attachment; filename="bge.rx.patch" Index: sys/dev/bge/if_bge.c =================================================================== --- sys/dev/bge/if_bge.c (revision 212341) +++ sys/dev/bge/if_bge.c (working copy) @@ -3386,9 +3386,11 @@ sc->bge_rx_saved_considx = rx_cons; bge_writembx(sc, BGE_MBX_RX_CONS0_LO, sc->bge_rx_saved_considx); if (stdcnt) - bge_writembx(sc, BGE_MBX_RX_STD_PROD_LO, sc->bge_std); + bge_writembx(sc, BGE_MBX_RX_STD_PROD_LO, (sc->bge_std + + BGE_STD_RX_RING_CNT - 1) % BGE_STD_RX_RING_CNT); if (jumbocnt) - bge_writembx(sc, BGE_MBX_RX_JUMBO_PROD_LO, sc->bge_jumbo); + bge_writembx(sc, BGE_MBX_RX_JUMBO_PROD_LO, (sc->bge_jumbo + + BGE_JUMBO_RX_RING_CNT - 1) % BGE_JUMBO_RX_RING_CNT); #ifdef notyet /* * This register wraps very quickly under heavy packet drops. --w7PDEPdKQumQfZlR--