[SR-Users] Issue while initiating database of my new module in kamailio

Daniel-Constantin Mierla miconda at gmail.com
Mon Dec 5 20:53:26 CET 2011


Hello,

can you paste here the mod_init() and child_init() functions and say 
which one is line 239 (inside child init)? I expect some db init step 
for your module was not done.

Also, the output of 'bt full' might be useful.

Cheers,
Daniel

On 12/3/11 6:35 AM, Jagdeep S wrote:
> Hi All,
>
> I am trying to create a new module under the kamailio source base, as
> part of understanding the framework. But when i start the Kamailio, i
> am seeing a core dump occuring when my new module is getting initiated
> and when the database is getting initialised. PFA the files attached
> containing the config file and source files used for creating module
> files.
>
> I am using the "DEFAULT_DB_URL" as database uri. The core dump
> backtrace shows that the module init fails at the following point:
> (gdb) bt
> #0  0x00000000 in ?? ()
> #1  0x00ef390d in child_init (rank=9172352) at my_mod.c:239
> #2  0x081226be in init_mod (m=0xb7515a04) at sr_module.c:922
> #3  0x08122630 in init_mod (m=0xb7515c78) at sr_module.c:919
>
> The line 239 in my module file points to the child-init function which
> initializes the database connectivity ==>  "mymod_dbh =
> mymod_dbf.init(&db_url);"
>
> I have written the module using the template provided under the
> kamailio website. All the parameters are defined properly. Have no
> idea as to what is going wrong.
>
> I tried debugging the core dump using gdb but of no much help. I am
> not able to run the gdb during runti sr-users at lists.sip-router.orgme
> due to which i am not able to add break points and check. Not sure
> what the problem is. That's why i generated core dump file and
> analysed the backtrace, but i can't add break points and run it again
> as the executable is not involved.
>
> Can anyone please let me know what is the issue is or any pointers if
> i have missed some part of the code due to which the connectivity to
> db is not happening. Due to this i am not able to proceed further with
> the testing of my new module. Also any tips on how to do get the gdb
> debugging during runtime will also be very helpful.
>
> Any help is appreciated :).
>
>
>
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-- 
Daniel-Constantin Mierla -- http://www.asipto.com
http://linkedin.com/in/miconda -- http://twitter.com/miconda

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