From owner-freebsd-hackers@FreeBSD.ORG Sun Jan 24 06:03:55 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5014F106566B for ; Sun, 24 Jan 2010 06:03:55 +0000 (UTC) (envelope-from list@sheringeorge.co.cc) Received: from mail-pw0-f44.google.com (mail-pw0-f44.google.com [209.85.160.44]) by mx1.freebsd.org (Postfix) with ESMTP id 308258FC14 for ; Sun, 24 Jan 2010 06:03:55 +0000 (UTC) Received: by pwi15 with SMTP id 15so1789254pwi.3 for ; Sat, 23 Jan 2010 22:03:54 -0800 (PST) MIME-Version: 1.0 Received: by 10.140.56.19 with SMTP id e19mr3546591rva.12.1264313034836; Sat, 23 Jan 2010 22:03:54 -0800 (PST) In-Reply-To: References: <7f14551c1001230119r65464667t6d6b604118101419@mail.gmail.com> Date: Sun, 24 Jan 2010 11:33:54 +0530 Message-ID: <7f14551c1001232203r78a5df26n9f9092fbcdfb85c@mail.gmail.com> From: Sherin George To: freebsd-hackers@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Re: Strange network issue in freebsd 8 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Jan 2010 06:03:55 -0000 Hello Thiago, I have configured NFS clients to use TCP. Here is the present output of "netstat -m". Right now, server is working fine. ============ myserver# netstat -m 2907/4908/7815 mbufs in use (current/cache/total) 2255/4551/6806/25600 mbuf clusters in use (current/cache/total/max) 1312/2272 mbuf+clusters out of packet secondary zone in use (current/cache) 0/119/119/12800 4k (page size) jumbo clusters in use (current/cache/total/max) 0/0/0/6400 9k jumbo clusters in use (current/cache/total/max) 0/0/0/3200 16k jumbo clusters in use (current/cache/total/max) 5236K/10805K/16041K bytes allocated to network (current/cache/total) 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters) 0/0/0 requests for jumbo clusters denied (4k/9k/16k) 0/0/0 sfbufs in use (current/peak/max) 0 requests for sfbufs denied 0 requests for sfbufs delayed 0 requests for I/O initiated by sendfile 0 calls to protocol drain routines ============ -- Regards, Sherin On Sat, Jan 23, 2010 at 7:12 PM, Thiago Damas wrote: > Hi > Nfsd as udp or tcp? I had the same problem, mbuf exaustion. Check netstat > -m > I solved using nfs over tcp on nfs client machine. > > Thiago > > 2010/1/23, Sherin George : > > Hello, > > > > i am facing some sort of strange network issue in a freebsd server > > occasionally. > > > > OS: FreeBSD 8.0-RELEASE - amd64 > > > > The servers loses network connection once in a few days. I logged into > > console and verified that network is up. I even restarted network service > > using following command. > > > > /etc/rc.d/netif restart > > > > Still, it didn't fix. > > > > I checked /var/log/messages, but I am not getting any clue. > > > > ============== > > Jan 19 12:10:20 myserver kernel: GEOM_MIRROR: Device gm0: rebuilding > > provider ad0 finished. > > Jan 19 20:20:23 myserver nfsd[732]: select failed: Interrupted system > call > > Jan 19 20:21:07 myserver nfsd[732]: select failed: Interrupted system > call > > Jan 23 02:14:33 myserver login: ROOT LOGIN (root) ON ttyv0 > > Jan 23 02:19:51 myserver kernel: ifa_del_loopback_route: deletion failed > > Jan 23 02:19:57 myserver kernel: em0: link state changed to DOWN > > Jan 23 02:20:02 myserver kernel: em0: link state changed to UP > > Jan 23 02:29:58 myserver reboot: rebooted by root > > Jan 23 02:29:58 myserver syslogd: exiting on signal 15 > > Jan 23 02:31:31 myserver syslogd: kernel boot file is /boot/kernel/kernel > > Jan 23 02:31:31 myserver kernel: Copyright (c) 1992-2009 The FreeBSD > > Project. > > Jan 23 02:31:31 myserver kernel: Copyright (c) 1979, 1980, 1983, 1986, > 1988, > > 1989, 1991, 1992, 1993, 1994 > > Jan 23 02:31:31 myserver kernel: The Regents of the University of > > California. All rights reserved. > > Jan 23 02:31:31 myserver kernel: FreeBSD is a registered trademark of The > > FreeBSD Foundation. > > Jan 23 02:31:31 myserver kernel: FreeBSD 8.0-RELEASE #0: Sat Nov 21 > 15:02:08 > > UTC 2009 > > Jan 23 02:31:31 myserver kernel: root@mason.cse.buffalo.edu: > > /usr/obj/usr/src/sys/GENERIC > > Jan 23 02:31:31 myserver kernel: Timecounter "i8254" frequency 1193182 Hz > > quality 0 > > ============== > > > > Network, TCP stack all were up. It was pinging gateway even. But, > traceroute > > was not going beyond gateway. > > > > I believe the issue is not related to anything outside server since a > reboot > > always fixes the issue. > > > > I will be grateful for any advise that can help me in troubleshooting > this > > problem. > > > > -- > > Best Regards, > > Sherin > > _______________________________________________ > > freebsd-hackers@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > > To unsubscribe, send any mail to " > freebsd-hackers-unsubscribe@freebsd.org" > > > > -- > Enviado do meu celular >