[Kamailio-Users] kamailio crashes during connection attempt

[Dmitri]

Hello,
The PC has private address on eth0 interface and public on ppp0
default route looks like:
default dev ppp0  scope link

Tomorrow I'll try to play with ngrep.
BR,
Dmitri

08.02.2010 23:59, Daniel-Constantin Mierla пишет:
> Hello,
>
> On 2/8/10 10:46 PM, Dmitri wrote:
>> Hello,
>> No, it is not local, it is reacheable over internet, real dns domain.
> why is it looping then? I see many Record Route headers with same IP, 
> should be one since it is no transport layer gatewaying.
>
> You can use ngrep to watch the network and see what happens with 
> SUPBSCRIBE (watch as well looback interface).
>
>> Waiting for your instructions.
>
> Going to do a commit to make it easily via makefile.
>
> Cheers,
> Daniel
>
>>
>> BR,
>> Dmitri.
>>
>> 08.02.2010 23:27, Daniel-Constantin Mierla пишет:
>>> Hello,
>>>
>>> might be a buffer overflow somewhere else. I will send you some 
>>> instructions to compile with memory debug one.
>>>
>>> Meanwhile, this seems to be a particular case (has to be found and 
>>> fixed anyhow), the SUBSCRIBE is looping. Is voice.djuk.ee a local 
>>> domain (matching the 'myself' condition)? If is local domain and not 
>>> in dns then add:
>>>
>>> alias=voice.djuk.ee
>>>
>>> Cheers,
>>> Daniel
>>>
>>>
>>> On 2/8/10 10:14 PM, Dmitri wrote:
>>>> Hello,
>>>>
>>>> Updated gdb output in attached file.
>>>>
>>>> BR,
>>>> Dmitri
>>>>
>>>> 08.02.2010 22:51, Daniel-Constantin Mierla пишет:
>>>>> Hello,
>>>>>
>>>>> once you are in gdb, run 'bt' to get the backtrace. That is very 
>>>>> useful in the first step to see what functions were executed 
>>>>> before the crash.
>>>>>
>>>>>
>>>>> Thanks,
>>>>> Daniel
>>>>>
>>>>> On 2/8/10 9:23 PM, Dmitri wrote:
>>>>>> Hello Klaus,
>>>>>>
>>>>>> Thank you for suggestion. Now I got core, and output of gdb you 
>>>>>> may see in attached file.
>>>>>> Core was about 40M of size.
>>>>>> I have to say that i never used kamailio before and this crash is 
>>>>>> my first experience.
>>>>>>
>>>>>> BR,
>>>>>> Dmitri
>>>>>>
>>>>>> 08.02.2010 21:37, Klaus Darilion пишет:
>>>>>>>
>>>>>>>
>>>>>>> Am 08.02.2010 20:00, schrieb Dmitri:
>>>>>>>> Hello,
>>>>>>>> 1. Yes, there is at least 2 times more space than core dump needs.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> # Try specifying things manually, as user root:
>>>>>>> echo "/tmp/core.%e.sig%s.%p" > /proc/sys/kernel/core_pattern
>>>>>>>
>>>>>>> # verify configuration changes
>>>>>>> cat /proc/sys/kernel/core_pattern
>>>>>>>
>>>>>>> # set ulimit
>>>>>>> ulimit -c unlimited
>>>>>>>
>>>>>>> # start kamailio manually
>>>>>>> kamailio
>>>>>>>
>>>>>>> now kamailio should be running as user root and should be able 
>>>>>>> to core dump into /tmp
>>>>>>>
>>>>>>>> 2. I could find nothing, unfortunately...
>>>>>>>> I can only see that problem is related to tm.so library:
>>>>>>>> kamailio kernel: [ 1051.432646] kamailio[2678]: segfault
>>>>>>>> at 12 ip 00007fa8b592ae43 sp 00007fff48ff9f40 error 4 in
>>>>>>>> tm.so[7fa8b5917000+72000]
>>>>>>>
>>>>>>> Daniel, I can't remember. Is it necessary to turn off some 
>>>>>>> compiler optimizations in Makefile.defs to get a useful 
>>>>>>> backtrace? (or was that in Asterisk?)
>>>>>>>
>>>>>>> regards
>>>>>>> klaus
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> BR,
>>>>>>>> Dmitri
>>>>>>>>
>>>>>>>>>> I don't know it this applies to you but also check the 
>>>>>>>>>> following:
>>>>>>>>>>
>>>>>>>>>> 1. You have enough space in the partition where $COREDIR is 
>>>>>>>>>> created
>>>>>>>>>> 2. Check that the user that runs kamailio (usually openser) 
>>>>>>>>>> has read
>>>>>>>>>> write access on that directory
>>>>>>>>>>
>>>>>>>>>> Also if you grep for core in the /var/log/ directory I 
>>>>>>>>>> believe that
>>>>>>>>>> there might be some lines either in dmesg or in messages that 
>>>>>>>>>> tell
>>>>>>>>>> you if a core was created or not.
>>>>>>>>>>
>>>>>>>>>> Hope what I said is not redundant and it helps.
>>>>>>>>>>
>>>>>>>>>> Marius
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
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>>>>>>>> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
>>>>>>>> http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Kamailio (OpenSER) - Users mailing list
>>>>>> Users at lists.kamailio.org
>>>>>> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
>>>>>> http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
>>>>>
>>>>> -- 
>>>>> Daniel-Constantin Mierla
>>>>> eLearning class for Kamailio 3.0.0
>>>>> Starting Feb 8, 2010
>>>>> *http://www.asipto.com/
>>>>>    
>>>>
>>>
>>> -- 
>>> Daniel-Constantin Mierla
>>> eLearning class for Kamailio 3.0.0
>>> Starting Feb 8, 2010
>>> *http://www.asipto.com/
>>>    
>>
>
> -- 
> Daniel-Constantin Mierla
> eLearning class for Kamailio 3.0.0
> Starting Feb 8, 2010
> *http://www.asipto.com/
>    

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