Strange network issue in freebsd 8
list at sheringeorge.co.cc
Sat Jan 23 09:22:25 UTC 2010
i am facing some sort of strange network issue in a freebsd server
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.
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: select failed: Interrupted system call
Jan 19 20:21:07 myserver nfsd: 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
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
Jan 23 02:31:31 myserver kernel: FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:02:08
Jan 23 02:31:31 myserver kernel: root at mason.cse.buffalo.edu:
Jan 23 02:31:31 myserver kernel: Timecounter "i8254" frequency 1193182 Hz
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
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