Strange network issue in freebsd 8

Thu Jan 28 03:28:47 UTC 2010

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 at 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 <qing.li at bluecoat.com> 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 at freebsd.org on behalf of Sherin George
> Sent: Wed 1/27/2010 6:05 PM
> To: freebsd-net at freebsd.org; freebsd-hackers at freebsd.org;
> freebsd-questions at 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 <sam at ip6.com.au> 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 at 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 at freebsd.org mailing list
> >> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> >> To unsubscribe, send any mail to "freebsd-net-unsubscribe at freebsd.org"
> >>
> >>
> >>
> >
> >
> _______________________________________________
> freebsd-net at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe at freebsd.org"
>
>