[sr-dev] the new memcache module

[Dragos Oancea]

Hi Charles,

Yes, when I build and run it completely from master, I have the same issue.

So I get this when I shut it down with `killall kamailio`. 
This time I run it with log_stderror=yes , so it prints alot of debugging messages -  it seems it tries to free() un-allocated memory :

........
37(18544) DEBUG: <core> [main.c:856]: sig_usr(): Memory still-in-use summary (pkg):
 0(18507) DEBUG: memcached [memcached.c:251]: mod_destroy(): remove memory manager callbacks 0(18507) DEBUG: memcached [memcached.c:254]: mod_destroy(): memory manager callbacks removed*** glibc detected ***
 /opt/kamailio/sbin/kamailio: free(): invalid pointer: 0x00007fd4767b57f0 ***
======= Backtrace: =========
/lib64/libc.so.6(+0x760e6)[0x7fd476a770e6]
/usr/local/lib/libmemcached.so.11(+0x1711a)[0x7fd46d8f911a]
/opt/kamailio/sbin/kamailio(destroy_modules+0x1f)[0x4ed69f]
/opt/kamailio/sbin/kamailio(cleanup+0x2d)[0x466a6d]
/opt/kamailio/sbin/kamailio[0x4677bf]
/opt/kamailio/sbin/kamailio(handle_sigs+0x20f)[0x467abf]
/opt/kamailio/sbin/kamailio(main_loop+0x151c)[0x46a12c]
/opt/kamailio/sbin/kamailio(main+0x1619)[0x46bda9]
/lib64/libc.so.6(__libc_start_main+0xfd)[0x7fd476a1fcdd]
/opt/kamailio/sbin/kamailio[0x4145e9]
........

I use libmemcached version 1.0.17 .
Let me know if I can help you debug this.


Regards,
Dragos


________________________________
 From: Charles Chance <charles.chance at sipcentric.com>
To: Dragos Oancea <droancea at yahoo.com> 
Cc: "sr-dev at lists.sip-router.org" <sr-dev at lists.sip-router.org> 
Sent: Tuesday, June 18, 2013 12:01 PM
Subject: Re: the new memcache module
 


Hi Dragos,

I don't think it will make a difference, but do you still see the problem if you build/run Kamailio completely from master, instead of just copying across the compiled memcache module?

Cheers,

Charles




On 17 June 2013 15:43, Dragos Oancea <droancea at yahoo.com> wrote:

Hi Henning & Charles,
>
>
>So far the module performed pretty good for us.
>
>
>But there might be a problem, when I shut down Kamailio I see this in the logs :
>
>
>ERROR: memcached [memcached.c:255]: mod_destroy(): memory manager callbacks not removed, returned INVALID ARGUMENTS but continue anyway
>
>
>
>It also dumps core at shutdown:
>http://pastebin.com/5uJJ3tp4
>
>
>
>Regards,
>Dragos
>
>
>
>
>
>
>
>________________________________
> From: Henning Westerholt <hw at kamailio.org>
>To: sr-users at lists.sip-router.org 
>Cc: Charles Chance <charles.chance at sipcentric.com>; Dragos Oancea <droancea at yahoo.com> 
>Sent: Friday, June 14, 2013 6:24 PM
>Subject: Re: [SR-Users] memcache problem - reporting protocol error
> 
>
>Am Freitag, 7. Juni 2013, 12:07:00 schrieb Charles Chance:
>> Yes, that should work fine.
>> 
>> Cheers,
>
>Hello Dragos,
>
>just one thing to add - if you find any issues with the master version of the 
>module, please report to our developer list that we could take a look.
>
>Best
 regards,
>
>Henning Westerholt
>
>
>


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