[SR-Users] Core/ signal 11 Segmenation fault on kamailio 4.3.5

[Dragos Oancea]

Hi,

The backtrace is not very useful, there are no debugging symbols.
You probably installed a kamailio RPM on that machine. Try to compile
directly on the machine and reproduce.

Cheers,
Dragos

On 17/08/2016 14:16, Jonathan Hunter wrote:
> Hi guys,
> 
> We seem to have a regular occurrence where one of the child processes is
> crashing, and causing a coredump.
> 
> Please see the output of the corefile;
> 
>  gdb kamailio /core.31568
> GNU gdb (GDB) Red Hat Enterprise Linux (7.2-83.el6)
> Copyright (C) 2010 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-redhat-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /usr/sbin/kamailio...(no debugging symbols
> found)...done.
> [New Thread 31568]
> Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from
> /usr/lib                                                                
>                /debug/lib64/ld-2.12.so.debug...done.
> done.
> Loaded symbols for /lib64/ld-linux-x86-64.so.2
> Core was generated by `/usr/sbin/kamailio -P
> /var/run/kamailio/kamailio.pid -f /                                    
>                                            /etc/kamailio//kamaili'.
> Program terminated with signal 11, Segmentation fault.
> #0  0x00000000004deefd in send_fd ()
> (gdb) bt full
> #0  0x00000000004deefd in send_fd ()
> No symbol table info available.
> #1  0x00000000004e0bc1 in pp_substdef_add ()
> No symbol table info available.
> #2  0x00000000004da13c in build_res_buf_from_sip_req ()
> No symbol table info available.
> #3  0x00007fc99099f4a1 in ?? ()
> No symbol table info available.
> #4  0x00000000921cd3c8 in ?? ()
> No symbol table info available.
> #5  0x00007fc9921cd3f8 in ?? ()
> No symbol table info available.
> #6  0x0000000000415eb0 in do_action ()
> No symbol table info available.
> #7  0x00007fc9909a2841 in ?? ()
> No symbol table info available.
> #8  0x00007fc991faf030 in ?? ()
> No symbol table info available.
> #9  0x0000000000000004 in ?? ()
> No symbol table info available.
> #10 0x0000000000000001 in ?? ()
> No symbol table info available.
> #11 0x0000000000000002 in ?? ()
> 
> 
> The last transaction appears to be a REGISTER message from a User-Agent:
> SIPAUA/0.1.001 which runs on an android device.
> 
> We are looking to reproduce in lab environment but I just wondered if
> anyone had seen this on this version?  Or can advise on the core dump
> output?
> 
> Thanks
> 
> Jon
> 
> 
> 
> 
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