[SR-Users] Debugging kamailio module

Ali Shirvani aj.shirvani at gmail.com
Tue Jul 23 19:29:13 CEST 2019

Hello Henning,

Thanks for your help. I test both -D and -DD option when running kamailio
in gdb.
When running kamailio with -D it doesn't accept any request on TCP, and
when I run with -DD option gdb doesn't stop on the break point.

In summary:
$ sudo gdb kamailio
(gdb) b isc_from_as
(gdb) r -f /path/to/kamailio.cfg -D   ---> doesn't accept TCP requests
(gdb) r -f /path/to/kamailio.cfg -DD   ----> gdb doesn't stop on break point


On Tue, Jul 23, 2019 at 9:12 PM Henning Westerholt <hw at skalatan.de> wrote:

> (adding sr-dev to CC)
> Hello Ali,
> have a look to the kamailio binary parameter and the children parameter in
> configuration. You can actually start kamailio with (almost) no forking.
> You will get a lot of debugging information if you enable the kamailio
> debugging in the cfg.
> If you want to debug only the internals of the core or a specific Kamailio
> module, there is also a debugger module available that can be useful to
> debug only certain parts of the server. You can also set breakpoints at
> certain points in the cfg, or dump internal state with it.
> Cheers,
> Henning
> Am 23.07.19 um 11:39 schrieb Ali Shirvani:
> Hi all,
> I want to trace function calls in a kamailio module, e.g. ims_isc module.
> I installed kamailio-dbg package and started the kamailio with gdb: `gdb
> kamailio` I also set break point on target function, but it seems gdb
> doesn't stop on that break point.
> How should I start gdb and set break points? it seems gdb couldn't handle
> kamailio child processes that forked in start.
> Regards,
> Ali
> _______________________________________________
> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> --
> Henning Westerholt - https://skalatan.de/blog/
> Kamailio services - https://skalatan.de/services
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