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Date:      Wed, 27 Jan 2010 18:52:41 -0800
From:      "Li, Qing" <qing.li@bluecoat.com>
To:        "Sherin George" <list@sheringeorge.co.cc>, <freebsd-net@freebsd.org>, <freebsd-hackers@freebsd.org>, <freebsd-questions@freebsd.org>
Subject:   RE: Strange network issue in freebsd 8
Message-ID:  <B583FBF374231F4A89607B4D08578A4304673790@bcs-mail03.internal.cacheflow.com>
References:  <7f14551c1001231916s1c142b21j916ae406ea71bd97@mail.gmail.com><4B60E157.9090200@ip6.com.au> <7f14551c1001271805w758c3e95s569365ad468ab9ae@mail.gmail.com>

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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=20
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
=20
Hello Sam,

The problem happened today again.

I am getting this message on traceroute

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
traceroute: findsaddr: write: No such process
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

When running a ping to 8.8.8.8, it says following.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
ping: sendto: No route to host
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Please see the result of "netstat -rn" command.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

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@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.
>>
>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> 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
>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>
>> 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"
>>
>>
>>
>
>
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