core file size          (blocks, -c) unlimited                         <----- Unlimitd

data seg size           (kbytes, -d) unlimited

scheduling priority             (-e) 0

file size               (blocks, -f) unlimited

pending signals                 (-i) 15891

max locked memory       (kbytes, -l) 64

max memory size         (kbytes, -m) unlimited

open files                      (-n) 1024

pipe size            (512 bytes, -p) 8

POSIX message queues     (bytes, -q) 819200

real-time priority              (-r) 0

stack size              (kbytes, -s) 8192

cpu time               (seconds, -t) unlimited

max user processes              (-u) 15891

virtual memory          (kbytes, -v) unlimited

file locks                      (-x) unlimited

But when core is generated, and I try to open gdb, it is complaining that the core file is smaller

$sudo gdb /usr/local/sbin/kamailio core

GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04

Copyright (C) 2012 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-linux-gnu".

For bug reporting instructions, please see:

<http://bugs.launchpad.net/gdb-linaro/>...

Reading symbols from /usr/local/sbin/kamailio...done.

BFD: Warning: /home/krishna/corefiles/core is truncated: expected core file size >= 2164264960, found: 176357376.

[New LWP 2547]

Cannot access memory at address 0x7fe56e85d2a8

Cannot access memory at address 0x7fe56e85d2a0

What could be going wrong?

Thanks

Krish Kura