Date: Sat, 23 Jan 2010 14:52:23 +0530 From: Sherin George <list@sheringeorge.co.cc> To: freebsd-questions@freebsd.org Subject: Strange network issue in freebsd 8 Message-ID: <7f14551c1001230122q155fadadscf1575f9795fa871@mail.gmail.com>
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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
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