card sleeping

[Julian Elischer]

On 11/22/10 6:14 PM, kalin m wrote:
>
>
> 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....
>
>
but you didn't answer the question...
when icmp fails (ping)  which packets are seen?

>
> 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...
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>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>