From owner-freebsd-hackers@FreeBSD.ORG Thu Jan 28 03:28:47 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 114F9106566B; Thu, 28 Jan 2010 03:28:47 +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 D57138FC0C; Thu, 28 Jan 2010 03:28:46 +0000 (UTC) Received: by pwi15 with SMTP id 15so199584pwi.3 for ; Wed, 27 Jan 2010 19:28:46 -0800 (PST) MIME-Version: 1.0 Received: by 10.140.55.5 with SMTP id d5mr6619876rva.177.1264649325606; Wed, 27 Jan 2010 19:28:45 -0800 (PST) In-Reply-To: References: <7f14551c1001231916s1c142b21j916ae406ea71bd97@mail.gmail.com> <4B60E157.9090200@ip6.com.au> <7f14551c1001271805w758c3e95s569365ad468ab9ae@mail.gmail.com> Date: Thu, 28 Jan 2010 08:58:45 +0530 Message-ID: <7f14551c1001271928k112321e4s1338979bfb1e7d44@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 03:28:47 -0000 Hello, Thanks Qing. I have already upgraded to latest patch as per per the advise of "freebsd-hackers" ============================== myserver# uname -a FreeBSD myserver.server.net 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #0: Tue Jan 5 21:11:58 UTC 2010 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 myserver# freebsd-update fetch Looking up update.FreeBSD.org mirrors... 3 mirrors found. Fetching metadata signature for 8.0-RELEASE from update4.FreeBSD.org... done. Fetching metadata index... done. Inspecting system... done. Preparing to download files... done. No updates needed to update system to 8.0-RELEASE-p2. ============================== -- Regards, Sherin On Thu, Jan 28, 2010 at 8:22 AM, Li, Qing wrote: > > I have been consumed by day job 200% of my time. > > I have some free time tonight and can work with you off-line. > Is it possible for you to update to the latest stable-8 kernel > and we start from there ? > > -- Qing > > > -----Original Message----- > From: owner-freebsd-net@freebsd.org on behalf of Sherin George > Sent: Wed 1/27/2010 6:05 PM > To: freebsd-net@freebsd.org; freebsd-hackers@freebsd.org; > freebsd-questions@freebsd.org > Subject: Re: Strange network issue in freebsd 8 > > 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" > >> > >> > >> > > > > > _______________________________________________ > 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" > >