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Date:      Mon, 22 Nov 2010 21:14:29 -0500
From:      kalin m <kalin@el.net>
To:        Julian Elischer <julian@freebsd.org>, freebsd-net@freebsd.org
Subject:   Re: card sleeping
Message-ID:  <4CEB2385.1010300@el.net>
In-Reply-To: <4CEB1C58.7070306@freebsd.org>
References:  <4CEAF306.2090705@el.net> <4CEAFBF3.1040408@freebsd.org> <4CEB0226.1020407@el.net> <4CEB0DFA.4030500@freebsd.org> <4CEB15D7.6020303@el.net> <4CEB1C58.7070306@freebsd.org>

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On 11/22/10 8:43 PM, Julian Elischer wrote:
> On 11/22/10 5:16 PM, kalin m wrote:
>>
>>
>> On 11/22/10 7:42 PM, Julian Elischer wrote:
>>> On 11/22/10 3:52 PM, kalin m wrote:
>>>>
>>>>
>>>> thanks...  got the ttyv8 off...
>>>>
>>>> any idea about the temporary network loss?
>>>
>>> not without more info...
>>>
>>> it might be you machine or the switch it's attached to..
>>> you may also have a clash with another machine somewhere with the 
>>> same IP address.
>> i forgot to mention one important thing...  i can always ping the 
>> machine from within the same network. so it seems that it's not 
>> really the machine itself. the theory about the switch could be - 
>> except all the other machines that are on the same network do not 
>> have that problem. they are always pingable from the outside, even 
>> when the machine in question is not.
>>
>> and of course there is no other machine with the same ip on that 
>> network. i did check...
>>
> so have  you left tcpbump running on the machine looking at the 
> interface in question?
>
> tcpdump -i  XX0 -p icmp
> this should tell you if it's the incoming or outgoing packets that are 
> getting lost.

i did similar stuff. but the thing is it's not only icmp. it's tcp too. 
basically the machine is unreachable form the outside in any given time. 
until i ssh into it from inside. http is not responding either. and if i 
leave the dcpdump dumping - detached from the terminal - it might run 
out of space....



thanks...

>
>
>> thanks....
>>
>>
>>>>
>>>>
>>>>
>>>> On 11/22/10 6:25 PM, Julian Elischer wrote:
>>>>> On 11/22/10 2:47 PM, kalin m wrote:
>>>>>>
>>>>>>
>>>>>> hi all..
>>>>>>
>>>>>> recently i had to change the static ip on a machine here at work. 
>>>>>> nothing wrong with that. what's happening with this new ip 
>>>>>> (different network) is that for short periods of time sometimes 
>>>>>> the machine is unpingable. until i try to login ssh. as soon as i 
>>>>>> do that the ping and the rest of network activity resumes - http.
>>>>>>
>>>>>> that didn't use to happen on the previous network. the only 
>>>>>> change was the network information. also a bunch of other 
>>>>>> machines changed at the same time and none of the others present 
>>>>>> the same situation.
>>>>>>
>>>>>> the only entry in the log is:
>>>>>> init: can't exec getty '/usr/local/bin/xdm' for port /dev/ttyv8: 
>>>>>> No such file or directory
>>>>>
>>>>> delete or turn off the line in /etc/ttys for ttyv8
>>>>>
>>>>>>
>>>>>> (if somebody would explain what this is, that would help too. 
>>>>>> since xdm is not really in use and i can't find anything that 
>>>>>> would be calling xdm.)
>>>>>>
>>>>>> not sure if this has any importance but the card itself is 
>>>>>> BCM5750A1 NetXtreme Gigabit Ethernet PCI Express according to 
>>>>>> pciconf.
>>>>>>
>>>>>> the machine is 7.2 release.
>>>>>>
>>>>>> where do i look?
>>>>>>
>>>>>>
>>>>>>
>>>>>> thanks...
>>>>>> _______________________________________________
>>>>>> 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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