[Freeswitch-users] Random crash : somewhere in trace showing switch_core_session_exec failing

[Anthony Minessale]

Probably if you didn't redact out the mymodule it would point out where
your crash is.  Stack traces are upside down so the top of the stack is
usually where the problem is.  If mymodule is top secret you may have to
pursue commerical support.


On Wed, May 21, 2014 at 8:07 AM, Michael Jerris <mike at jerris.com> wrote:

> So switch_core_session_exec is what is calling your module, which is then
> crashing, and you think the problem is in switch_core_session_exec?
>
> On May 21, 2014, at 12:44 PM, Bhavesh Soni <bhavesh.soni at gslab.com> wrote:
>
>  Yes specifically again, in mymodule.so, I have certain pointers to
> offset addresses only.
> But, per my discussions with my fellow teammates the underlying
> switch_core* calls are thought to be culprits.
> I am parallel looking to mymodule.so calls as well;
>
> Again on the other hand, do you think because of *esl_recv_event()*failure and third thread call to ESL socket and can cause crash?
>
> Regards
> Bhavesh
> GS LAB
> (O) +91 20 4671 1256
> (M) +91 86000 64681
>
> On 21-05-2014 18:01, Michael Jerris wrote:
>
> You should get a full backtrace from gdb and make sure you have symbols in
> "mymodule" to see why its actually crashing, seems its somewhere in your
> module, and seems you have actually edited the backtrace to hide any
> details of your module, which would be where the useful data would be
> contained.
>
>
>  On May 21, 2014, at 12:22 PM, Bhavesh Soni <bhavesh.soni at gslab.com>
> wrote:
>
>  Folks,
> My board randomly crashes sometimes making outgoing calls;
> The backtrace looks like:
>
> mymodule
> /lib/libc.so.6(__default_sa_restorer_v2+0x0)[0x404bc630]#012
> /lib/libc.so.6(gsignal+0x40)[0x404bb2ec]#012
> /lib/libc.so.6(abort+0x1b0)[0x404c0b04]#012
> /lib/libc.so.6(__default_sa_restorer_v2+0x0)[0x404bc630]#012
> mymodule
> /lib/libfreeswitch.so.1(*switch_core_session_exec*+0x56c)[0x4014385c]#012
> /lib/libfreeswitch.so.1(
> *switch_core_session_execute_application_get_flags*+0x494)[0x40143ee8]#012
> /lib/libfreeswitch.so.1(*switch_core_session_run*+0xea0)[0x40147980]#012
> /lib/libfreeswitch.so.1(+0x59a7c)[0x40142a7c]#012
> /lib/libfreeswitch.so.1(+0xdc8bc)[0x401c58bc]#012
> /lib/libpthread.so.0(+0x5a90)[0x400cea90]#012
> /lib/libc.so.6(clone+0x88)[0x40567fb8]#012
>
> Is it really failing somewhere in switch_thread?
> Also, some times I see different set of traces, where *esl_recv_event()*fails?
>
> I am running freeswitch version 1.2.1 on my ARM board.
>
>
> --
> Regards
> Bhavesh
> GS LAB
> (O) +91 20 4671 1256
> (M) +91 86000 64681
>
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-- 
Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬

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