From owner-freebsd-hackers@FreeBSD.ORG Thu Jan 28 02:05:52 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 2B07D1065670; Thu, 28 Jan 2010 02:05:52 +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 F006E8FC16; Thu, 28 Jan 2010 02:05:51 +0000 (UTC) Received: by pwi15 with SMTP id 15so156269pwi.3 for ; Wed, 27 Jan 2010 18:05:51 -0800 (PST) MIME-Version: 1.0 Received: by 10.141.107.6 with SMTP id j6mr7099399rvm.288.1264644351037; Wed, 27 Jan 2010 18:05:51 -0800 (PST) In-Reply-To: <4B60E157.9090200@ip6.com.au> References: <7f14551c1001231916s1c142b21j916ae406ea71bd97@mail.gmail.com> <4B60E157.9090200@ip6.com.au> Date: Thu, 28 Jan 2010 07:35:51 +0530 Message-ID: <7f14551c1001271805w758c3e95s569365ad468ab9ae@mail.gmail.com> From: Sherin George To: freebsd-net@freebsd.org, freebsd-hackers@freebsd.org, freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: 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: Thu, 28 Jan 2010 02:05:52 -0000 Hello Sam, The problem happened today again. I am getting this message on traceroute =============== traceroute: findsaddr: write: No such process ================ When running a ping to 8.8.8.8, it says following. =================== ping: sendto: No route to host ==================== Please see the result of "netstat -rn" command. ============ myserver# netstat -rn Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default XXX.XXX.XXX.241 UGS 62 209247 em0 127.0.0.1 link#3 UH 0 0 lo0 XXX.XXX.XXX.240/29 link#1 U 0 0 em0 XXX.XXX.XXX.242 link#1 UHS 0 0 lo0 Internet6: Destination Gateway Flags Netif Expire ::1 ::1 UH lo0 fe80::%lo0/64 link#3 U lo0 fe80::1%lo0 link#3 UHS lo0 ff01:3::/32 fe80::1%lo0 U lo0 ff02::%lo0/32 fe80::1%lo0 U lo0 ============= Note: I have replaced first three octets. I have checked netstat -m also. It is also not showing any problem. Could anyone please help me to sort out this issue. -- Thanks, Sherin On Thu, Jan 28, 2010 at 6:29 AM, sam wrote: > Hi, > > Is this problem still happening? > > Cheers > Sam > > > On 24/01/2010 2:16 PM, Sherin George wrote: > >> Hello, >> >> I am facing some sort of strange network issue in a freebsd server >> occasionally. >> >> OS: FreeBSD 8.0-RELEASE - amd64 >> >> Now, I have updated to FreeBSD 8.0-RELEASE-p2 >> >> 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 advice that can help me in troubleshooting this >> problem. >> >> -- >> Best Regards, >> Sherin >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >> >> >> > >