[sr-dev] [SR-Users] No memory left in send_subscribe (PUA) from update_pua while building the tm dlg_t structure
laura testi
lau.testi at gmail.com
Fri Dec 23 17:10:16 CET 2011
Ok, I'll try it.
Thank you very much!
On Fri, Dec 23, 2011 at 1:20 PM, Daniel-Constantin Mierla
<miconda at gmail.com> wrote:
> Hello,
>
> can you try with this patch:
>
> http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=1b3cfa60a5b5c7d435704d44b7c495b7e6aa84c8
>
> Cheers,
> Daniel
>
>
> On 12/23/11 12:36 PM, Daniel-Constantin Mierla wrote:
>>
>> Hello,
>>
>> looks like a leak in a module that is storing record-routes and use them
>> later, perhaps pua module, I will check it soon.
>>
>> Cheers,
>> Daniel
>>
>> On 12/23/11 11:31 AM, laura testi wrote:
>>>
>>> Hi Daniel,
>>> I just follow the instruction in the link you sent
>>> (http://www.asipto.com/pub/kamailio-devel-guide/#c04troubleshooting)
>>> to use gdb to print PKG fragments. When I got the error in PUA:
>>>
>>> Dec 23 11:10:53 /.../sbin/kamailio[23276]: ERROR: pua
>>> [send_subscribe.c:158]: No memory left for size:439
>>> Dec 23 11:10:53 /.../sbin/kamailio[23276]: ERROR: pua [pua.c:747]:
>>> while building tm dlg_t structure
>>> Dec 23 11:10:53 /.../sbin/kamailio[23276]: ERROR: pua [pua.c:652]:
>>> while updating record
>>>
>>>
>>> The I run the command
>>> gdb /.../sbin/kamailio 23276
>>> and write the following commands in the gdb:
>>>
>>> set $i=0
>>> set $a = mem_block->first_frag
>>> while($i<10000)
>>> if($i>2000)
>>> if($a->u.is_free==0)
>>> p *$a
>>> end
>>> end
>>> set $a = ((struct qm_frag*)((char*)($a)+sizeof(struct
>>> qm_frag)+((struct qm_frag*)$a)->size+sizeof(struct qm_frag_end)))
>>> set $i = $i + 1
>>> end
>>> ...
>>>
>>> after a while I got a lot of prints on the screen like these:
>>>
>>> func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
>>> $1348 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
>>> file = 0x5d76c9 "<core>: parser/parse_rr.c",
>>> func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
>>> $1349 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
>>> file = 0x5d76c9 "<core>: parser/parse_rr.c",
>>> func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
>>> $1350 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
>>> file = 0x5d76c9 "<core>: parser/parse_rr.c",
>>> func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
>>> $1351 = {size = 104, u = {nxt_free = 0x0, is_free = 0},
>>> file = 0x5d76c9 "<core>: parser/parse_rr.c",
>>> func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
>>> $1352 = {size = 104, u = {nxt_free = 0x0, is_free = 0},
>>> file = 0x5d76c9 "<core>: parser/parse_rr.c",
>>> func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
>>> $1353 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
>>> file = 0x5d76c9 "<core>: parser/parse_rr.c",
>>> func = 0x5d7b00 "do_parse_rr_body", line = 74, check = 4042322160}
>>> $1354 = {size = 72, u = {nxt_free = 0x0, is_free = 0},
>>> ---Type<return> to continue, or q<return> to quit---
>>>
>>> ...
>>>
>>>
>>> But I don't understand if these are normal or something goes wrong....
>>>
>>> Can you help
>>>
>>>
>>> Best Regards,
>>> Laura
>>>
>>> On Wed, Dec 21, 2011 at 12:18 PM, Daniel-Constantin Mierla
>>> <miconda at gmail.com> wrote:
>>>>
>>>> Hello,
>>>>
>>>> pkg.stats was added in 3.2.0, iirc. For 3.1, you can walk the packets in
>>>> memory with gdb -- 3.1 has memory debug on, so you don't need to
>>>> recompile
>>>> (unless you turned it off).
>>>>
>>>> Just attach to the pid of a sip worker (gdb /path/to/kamailio
>>>> _pid_value_)
>>>> and run the gdb script.
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>>
>>>> On 12/21/11 11:58 AM, laura testi wrote:
>>>>>
>>>>> Hi Daniel,
>>>>> I try the sercmd for pkg memory but it return 500 error:
>>>>>
>>>>>
>>>>> # sercmd
>>>>> sercmd 0.2
>>>>> Copyright 2006 iptelorg GmbH
>>>>> This is free software with ABSOLUTELY NO WARRANTY.
>>>>> For details type `warranty'.
>>>>> sercmd> pkg.stats
>>>>> error: 500 - command pkg.stats not found
>>>>> sercmd>
>>>>>
>>>>>
>>>>>
>>>>> Is it available only for 3.2.x and master branch? Because we are using
>>>>> 3.1.5. But take the PUA module from master branch for the fetch_row
>>>>> parameter you have patched ;-)
>>>>>
>>>>>
>>>>> core.shmmem is ok.
>>>>>
>>>>>
>>>>>
>>>>> Thanks a lot
>>>>>
>>>>> Laura
>>>>>
>>>>> On Wed, Dec 21, 2011 at 10:58 AM, Daniel-Constantin Mierla
>>>>> <miconda at gmail.com> wrote:
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> you can see the available pkg via sercmd, sending command pkg.stats
>>>>>> (match
>>>>>> the entry for the pid printing the error). If there is no free memory,
>>>>>> then
>>>>>> might be a leak.
>>>>>>
>>>>>> You can attach with gdb to the pid printing these errors and walk to
>>>>>> pkg,
>>>>>> you see the commands for gdb at:
>>>>>>
>>>>>> http://www.asipto.com/pub/kamailio-devel-guide/#c04troubleshooting
>>>>>>
>>>>>> See if you have lot of allocated chunks from same place in source code
>>>>>> (ignore those at the beginning, mainly related to cfg parsing) and
>>>>>> send
>>>>>> the
>>>>>> details here.
>>>>>>
>>>>>> Cheers,
>>>>>> Daniel
>>>>>>
>>>>>>
>>>>>> On 12/21/11 10:44 AM, laura testi wrote:
>>>>>>
>>>>>> Hi,
>>>>>> we are using the PUA_XMPP and PUA modules from the master branch. When
>>>>>> the modules are started, everything are ok, the presence events from
>>>>>> XMPP are sent to kamailio SIP servers (PUBLISH/SUBSCRIBE) and cached
>>>>>> in the hash. But when there are several thousands records in the hash
>>>>>> tabel, the update_pua function called in the hashT_clean gives a lot
>>>>>> of "No memory left" error when the hashT_clean is waked up from the
>>>>>> time:
>>>>>>
>>>>>> ERROR: pua [send_subscribe.c]: No memory left
>>>>>> ERROR: pua [pua.c]: while building tm dlg_t structure
>>>>>>
>>>>>> The failed call is:
>>>>>> td = (dlg_t*)pkg_malloc(size);
>>>>>> if(td == NULL)
>>>>>> {
>>>>>> LM_ERR("No memory left\n");
>>>>>> return NULL;
>>>>>> }
>>>>>>
>>>>>> in dlg_t* pua_build_dlg_t(ua_pres_t* presentity) function in
>>>>>> send_subscribe.c. The size is about 400 and something... It's
>>>>>> strange.....
>>>>>>
>>>>>> Is it the memory leak in the PUA module?
>>>>>>
>>>>>>
>>>>>>
>>>>>> I also try to increase the pkg_memory from 4MB default to 16MB, but it
>>>>>> doesn't help.
>>>>>>
>>>>>>
>>>>>> Any Idea?
>>>>>>
>>>>>> Thanks in advanced
>>>>>>
>>>>>> Laura
>>>>>>
>>>>>> _______________________________________________
>>>>>> 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://www.asipto.com
>>>>>> http://linkedin.com/in/miconda -- http://twitter.com/miconda
>>>>>
>>>>> _______________________________________________
>>>>> 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://www.asipto.com
>>>> http://linkedin.com/in/miconda -- http://twitter.com/miconda
>>>>
>>
>
> --
> Daniel-Constantin Mierla -- http://www.asipto.com
> http://linkedin.com/in/miconda -- http://twitter.com/miconda
>
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