Comment 2 for bug 1434342

uploaded crash files,gdb did not return much info.
restarted vrouter to proceed with my testing.

root@kvmsrv08:/var/crashes# gdb core.contrail-vroute.3033.kvmsrv08.1426789701
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
Copyright (C) 2014 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".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
"/var/crashes/core.contrail-vroute.3033.kvmsrv08.1426789701": not in executable format: File format not recognized
(gdb) bt
No stack.
(gdb) exit
Undefined command: "exit". Try "help".
(gdb) q
root@kvmsrv08:/var/crashes# ls -ltr
total 657392
-rw------- 1 contrail contrail 229175296 Mar 19 10:58 core.contrail-dns.3141.kvmsrv08.1426787901
-rw------- 1 contrail contrail 234889216 Mar 19 10:58 core.contrail-contro.3139.kvmsrv08.1426787901
-rw------- 1 contrail contrail 232099840 Mar 19 10:58 core.contrail-contro.23948.kvmsrv08.1426787901
-rw------- 1 contrail contrail 228188160 Mar 19 10:58 core.contrail-contro.24331.kvmsrv08.1426787903
-rw------- 1 contrail contrail 231997440 Mar 19 10:58 core.contrail-contro.25182.kvmsrv08.1426787906
-rw------- 1 contrail contrail 227655680 Mar 19 10:58 core.contrail-dns.23999.kvmsrv08.1426787907
-rw------- 1 contrail contrail 227885056 Mar 19 10:58 core.contrail-contro.26071.kvmsrv08.1426787910
-rw------- 1 contrail contrail 227647488 Mar 19 10:58 core.contrail-dns.25674.kvmsrv08.1426787913
-rw------- 1 contrail contrail 227713024 Mar 19 11:10 core.contrail-dns.48380.kvmsrv08.1426788642
-rw------- 1 root root 237846528 Mar 19 11:28 core.contrail-vroute.3033.kvmsrv08.1426789701
root@kvmsrv08:/var/crashes# gdb core.contrail-contro.26071.kvmsrv08.1426787910
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
Copyright (C) 2014 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".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
"/var/crashes/core.contrail-contro.26071.kvmsrv08.1426787910": not in executable format: File format not recognized
(gdb) bt
No stack.
(gdb) bt
No stack.
(gdb) exit
Undefined command: "exit". Try "help".
(gdb) quit
root@kvmsrv08:/var/crashes#