Hello Robert, Thanks for the advice.
I have upgrade OS to FreeBSD 8.0-RELEASE-p2. I have also requested the help of freebsd-net. -- Regards, Sherin On Sun, Jan 24, 2010 at 6:18 AM, Robert Watson <rwat...@freebsd.org> wrote: > > On Sat, 23 Jan 2010, Sherin George wrote: > > 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. >> > > I'd suggest sending this e-mail to freebsd-net; there have been significant > link layer changes in 8.0, and it's possible this is a side effect (and bug) > from that. The appropriate people will pick it up on that list. > > Also, I notice you're running 8.0-RELEASE, rather than the latest patch > level (which included some important security impovements and stability > improvements); you may want to slide forward using freebsd-update or a > manual rebuild. You will need to reboot to pick up some of the > improvements. > > Robert N M Watson > Computer Laboratory > University of Cambridge > > >> /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: r...@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-unsubscr...@freebsd.org >> " >> >> _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"