[Kamailio-Users] Kamailio 1.4.2 : Weird Retransmission

[Aurelien Grimaud]

Sure, meanwhile here are messages provided by sipp
UAS side and UAC side.
UAC contains only the 10 calls done
UAS contains much more as I was trying to reproduce it with 1 call at a 
time.

Aurelien

Daniel-Constantin Mierla a écrit :
> Can you please make the test again and send along with the debug 
> messages the sip trace?
>
> ngrep -d any -qt -W byline port 5060
>
> I want to check the sip messages as well.
>
> Thank you,
> Daniel
>
>
> On 12/11/08 16:19, Aurelien Grimaud wrote:
>> Answer waiting for approval : logs too big !
>>
>> Here is a lighter one.
>>
>> My answer was
>>> Thanks for the patch.
>>>
>>> With 1 call at a time, the bug does not trigger anymore.
>>> However, with 2 calls at a time it was triggered again on BYE.
>>> Attached log is result of my testing.
>>> 1 sipp as uac make 10 calls with 2 simultaneous calls allowed.
>>>
>>> The call callid=7-22285-127.0.0.1 request resending of BYE message 
>>> at 14:21:07.563004, though we have a 200 ok on BYE at 
>>> 14:21:07.156865 (pid=21493)
>>> Bye request (pid=21495) was not finished to be treated at the time 
>>> 200 ok was received.
>>>
>>> This was done with my module active.
>>> I'll make new tests without it.
>>>
>>> Regards,
>>> Aurelien 
>>
>>
>> Daniel-Constantin Mierla a écrit :
>>> ... disregard the previous patch, please use this one. It was not 
>>> the latest. Thanks,
>>>
>>> Daniel
>>>
>>>
>>> On 12/10/08 23:52, Daniel-Constantin Mierla wrote:
>>>> Hello,
>>>>
>>>> On 12/09/08 20:41, Aurelien Grimaud wrote:
>>>>> Daniel-Constantin Mierla a écrit :
>>>>>  
>>>>>> On 12/09/08 18:52, Aurelien Grimaud wrote:
>>>>>>  
>>>>>>> I am able to reproduce it with 1 call / second without my module 
>>>>>>> on BYE requests.
>>>>>>> here are traces.
>>>>>>>       
>>>>>> there is a race (at least), indeed. It happens when there is fast 
>>>>>> reply. I am going to send you a patch soon for testing, you use 
>>>>>> svn branch 1.4 or the tarball?
>>>>>>     
>>>>> Great, I use the kamailio-1.4.2-notls tarball.
>>>>> But I can test any SVN branch / trunk if you wish.
>>>>>   
>>>> can you test the attached patch with SVN trunk? Let me know the 
>>>> results. Pay attention to see if breaks something else, not just if 
>>>> fixes the reported issue. I let there some debug messages, to help 
>>>> troubleshooting, if the fix is ok, I'll remove them before committing.
>>>>
>>>> Thanks,
>>>> Daniel
>>>>
>>>>> Aurelien
>>>>>
>>>>>  
>>>>>> Cheers,
>>>>>> Daniel
>>>>>>
>>>>>>
>>>>>>  
>>>>>>> ps: I added the ms on Logs.
>>>>>>>
>>>>>>> Aurelien
>>>>>>>
>>>>>>> Daniel-Constantin Mierla a écrit :
>>>>>>>   
>>>>>>>> On 12/09/08 17:56, Klaus Darilion wrote:
>>>>>>>>  
>>>>>>>>     
>>>>>>>>> Daniel-Constantin Mierla schrieb:
>>>>>>>>>           
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> On 12/09/08 17:31, Klaus Darilion wrote:
>>>>>>>>>>                 
>>>>>>>>>>> Aurelien Grimaud schrieb:
>>>>>>>>>>>  
>>>>>>>>>>>                       
>>>>>>>>>>>> Fair enough.
>>>>>>>>>>>> If no one already experienced this strange behavior, it 
>>>>>>>>>>>> should be my module ...
>>>>>>>>>>>> I'll try to make it again without my module.
>>>>>>>>>>>>                                       
>>>>>>>>>>> See my other email.
>>>>>>>>>>>
>>>>>>>>>>>  
>>>>>>>>>>>                       
>>>>>>>>>>>> However, in the log, after the 200 response, there is a 
>>>>>>>>>>>> cleanup_uac_timers: RETR/FR timers reset.
>>>>>>>>>>>> So those timers are cleared.
>>>>>>>>>>>>                                       
>>>>>>>>>>> But the problem is, that the process which handles the 
>>>>>>>>>>> INVITE has not finished yet and those (re)SETS the timer.
>>>>>>>>>>>
>>>>>>>>>>> @Daniel - Have you investigated the problem?
>>>>>>>>>>>                               
>>>>>>>>>> so this is the half of the issue reported via:
>>>>>>>>>> https://sourceforge.net/tracker/index.php?func=detail&aid=2105813&group_id=139143&atid=743020 
>>>>>>>>>>                       
>>>>>>>>> yes.
>>>>>>>>>
>>>>>>>>> Can it be related to other modules which register callbacks 
>>>>>>>>> (e.g. pua module or Aurelien's module?
>>>>>>>>>                 
>>>>>>>> what is the requests/second rate when the issue appears?
>>>>>>>>
>>>>>>>> At first look, between sending and setting retransmission 
>>>>>>>> timer, there is no much processing for the request. The 
>>>>>>>> callback executed there is in use by siptrace, are you using 
>>>>>>>> this module?
>>>>>>>>
>>>>>>>> Cheers,
>>>>>>>> Daniel
>>>>>>>>          
>>>>>>>>>> This one got lost, but as I started to fix the other half 
>>>>>>>>>> (replying using proper mode to do retransmission), will 
>>>>>>>>>> investigate this as well ...
>>>>>>>>>>
>>>>>>>>>> Cheers,
>>>>>>>>>> Daniel
>>>>>>>>>>             
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at lists.kamailio.org
>>>>> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
>>>>>
>>>>>   
>>>>
>>>> ------------------------------------------------------------------------ 
>>>>
>>>>
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>>>
>>
>

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