[Kamailio-Users] kamailio crashes during connection attempt

[Daniel-Constantin Mierla]

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
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> 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
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> 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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