GNU gdb (Raspbian 7.7.1+dfsg-5) 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 "arm-linux-gnueabihf".
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"...
Reading symbols from asterisk...done.
[New LWP 4051]
Core was generated by `gdb -se asterisk -ex bt full -ex thread apply all bt --batch -c core'.
Program terminated with signal SIGABRT, Aborted.
#0  0x7694ff70 in ?? ()
(gdb) bt
#0  0x7694ff70 in ?? ()
#1  0x7694ff44 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) bt full
#0  0x7694ff70 in ?? ()
No symbol table info available.
#1  0x7694ff44 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) thread apply all bt

Thread 1 (LWP 4051):
#0  0x7694ff70 in ?? ()
#1  0x7694ff44 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) q