Strange network issue in freebsd 8

[Sam Wun]

great work.

Thanks


On Tue, Feb 2, 2010 at 3:46 PM, Li, Qing <qing.li at bluecoat.com> wrote:
> Just an update on this issue and to letting you know your
> report is not ignored.
>
> I have been working with Sherin George offline and we have
> Been pulling information off Sherin's server box.
>
> The box becomes unresponsive after about 4 days. The routing
> table is fine is properly accessed. The ARP table is properly accessed.
> Through packet capture, the packets seem to flow into the driver but
> appear
> to be stuck somewhere after the driver handoff. The device stats do not
> show
> any link related errors. The device is "em".
>
> Initially I was suspecting the flow-table module, but after disabling
> the flow-table lookup and various experiments, the problem points to L2
> (after ether_output).
>
> According to Sherin, the box will regain network connectivity after
> some time.
>
> At this point I am thinking about creating a special debug build and
> run it in Sherin's environment.
>
> -- Qing
>
>
>
>> -----Original Message-----
>> From: owner-freebsd-net at freebsd.org [mailto:owner-freebsd-
>> net at freebsd.org] On Behalf Of Kenneth Hilmersson
>> Sent: Friday, January 29, 2010 1:46 PM
>> To: freebsd-net at freebsd.org
>> Subject: Strange network issue in freebsd 8
>>
>> > 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.
>>
>>
>> I see exactly the same thing. My network dies after a couple of days
> in
>> the same manner.
>>
>> My friend have problems with different network cards in 8.0:
>> em, msk, age locks up and with sis the network performance drops to
>> 0.1kbps after awhile.
>>
>>
>> BR
>> Kenneth
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