marek@acerntb ~ $ gdb /usr/lib/virtualbox/VirtualBox 
GNU gdb (GDB) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Reading symbols from /usr/lib/virtualbox/VirtualBox...rudone.
(gdb) run
Starting program: /usr/lib/virtualbox/VirtualBox 
[Thread debugging using libthread_db enabled]
[New Thread 0x7f7b675ae700 (LWP 25031)]
[New Thread 0x7f7b648fc700 (LWP 25032)]
[Thread 0x7f7b648fc700 (LWP 25032) exited]
[Thread 0x7f7b675ae700 (LWP 25031) exited]