[SR-Users] Kamailio memmory leak after it does not receive response for CANCEL message

[Daniel-Constantin Mierla]

Some extra note to be able to spot the memory summary in syslog --
should be a set of lines looking like:

20(4082) NOTICE: fm_status: summarizing all alloc'ed. fragments:
20(4082) NOTICE: fm_status:  count=     1 size=     16640 bytes from
<core>: counters.c: counters_prefork_init(207)
20(4082) NOTICE: fm_status:  count=     1 size=     14560 bytes from
debugger: debugger_api.c: dbg_init_pid_list(572)
.......
16(44262) NOTICE: fm_status:  count=     1 size=         8 bytes from
<core>: mem/shm_mem.c: shm_mem_init_mallocs(179)
16(44262) NOTICE: fm_status: -----------------------------

Cheers,
Daniel

On 04/09/15 01:03, Daniel-Constantin Mierla wrote:
> Hello,
>
> I tried to reproduce the scenario, but couldn't get the leak, might be
> specific for your config and use case.
>
> Can you try the next steps, in order to check there is indeed a leak:
>
>  - use kamailio 4.2
>  - set memlog parameter in kamailio.cfg to a lower value than debug
> parameter (e.g., memlog=1)
>  - start kamailio and do the tests you expect to lead to the issue
>  - stop sending traffic to kamailio (no more calls)
>  - issue the command "kamcmd corex.shm_summary" and look in the syslog
> file, grab the memory dump summary messages
>  -  wait for 3 minutes (still with no traffic) and issue again "kamcmd
> corex.shm_summary", grab again the summary from the syslog
>  - send here the messages from the two summaries
>
> Cheers,
> Daniel
>
> On 30/08/15 06:05, Bui Minh Yen wrote:
>> Hi everyone,
>>
>> I am using Kamailio-4.1.5 and Kamailio-4.2.5 but with this both
>> version I had a problem:
>>
>> Connection diagrams:
>> SIP client ---- SBC --- Kamailio --- MGC/MGW --- GSM/PSTN subscriber
>>
>> Scenario:
>> - Caller (SIP) make a new call to GSM (PSTN) subscriber
>> - When GSM/PSTN is ringing or not ringing, Caller cancel call (Caller
>> send CANCEL message)
>> - But MGC does not send response message for CANCEL message
>> - After about 120s (|fr_inv_timer), Kamailio send 487 Request
>> Terminated to SBC.|
>> |
>> |
>> |From this time, Kamailio have memory leak (tm does not free
>> transactions)|
>> |
>> |
>> |I reproduced this bugs 4-5 times and same problem is happen
>> |
>>
>> I attached capture file and log when I show shared memory (using
>> kamcmd core.shmmem) and tm statistics (using kamcmd tm.stats). And
>> time Kamailio start memory leak is 08-30-15-10:18:53
>>
>> Could you help me solve this problem?
>>
>> Thank you so much!
>>
>> -- 
>>
>> ---------------------------
>>
>> *Bui Thi Minh Yen*
>>
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> -- 
> Daniel-Constantin Mierla
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Book: SIP Routing With Kamailio - http://www.asipto.com

-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Book: SIP Routing With Kamailio - http://www.asipto.com

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