avia@scotty:~$ gdb gzclient
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"...
Reading symbols from gzclient...done.
(gdb) run
Starting program: /usr/local/bin/gzclient
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffd9e73700 (LWP 13465)]
[New Thread 0x7fffd8f90700 (LWP 13466)]
[Thread 0x7fffd8f90700 (LWP 13466) exited]
[Thread 0x7fffd9e73700 (LWP 13465) exited]
[Inferior 1 (process 13461) exited with code 0377]
(gdb) bt
No stack.
(gdb) backtrace
No stack.


avia@scotty:~/Downloads/gazebo/build$ gdb --args gzserver my.world
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"...
Reading symbols from gzserver...done.
(gdb) run

Starting program: /usr/local/bin/gzserver my.world
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffdcc24700 (LWP 13394)]
[New Thread 0x7fffdbd41700 (LWP 13395)]
[New Thread 0x7fffdb540700 (LWP 13396)]
[New Thread 0x7fffdab33700 (LWP 13397)]
[New Thread 0x7fffd3286700 (LWP 13398)]
[New Thread 0x7fffd2a85700 (LWP 13399)]
[New Thread 0x7fffd2284700 (LWP 13400)]
[New Thread 0x7fffd1a83700 (LWP 13401)]
[New Thread 0x7fffd1282700 (LWP 13402)]
[New Thread 0x7fffd0a81700 (LWP 13403)]
[New Thread 0x7fffb7fff700 (LWP 13404)]
[New Thread 0x7fffb77fe700 (LWP 13405)]
[Thread 0x7fffdab33700 (LWP 13397) exited]
[Thread 0x7fffdcc24700 (LWP 13394) exited]
[Thread 0x7fffd1a83700 (LWP 13401) exited]
[Thread 0x7fffb77fe700 (LWP 13405) exited]
[Thread 0x7fffb7fff700 (LWP 13404) exited]
[Thread 0x7fffd1282700 (LWP 13402) exited]
[Thread 0x7fffd2284700 (LWP 13400) exited]
[Thread 0x7fffd2a85700 (LWP 13399) exited]
[Thread 0x7fffd3286700 (LWP 13398) exited]
[Thread 0x7fffdb540700 (LWP 13396) exited]
[Thread 0x7fffdbd41700 (LWP 13395) exited]
[Thread 0x7ffff7f92880 (LWP 13390) exited]
[Inferior 1 (process 13390) exited with code 0377]
(gdb) bt
No stack.