segmentation fault (core dumped)

Several tips while running into this message. 1) you can find the corresponding crash files at /var/crash 2) If you use bash shell, ulimit command limits how much core you dump upon seg fault. for instance, $ ulimit -c unlimited. With this setting, seg fault happens, you will see filename core. use GDB to debug with the core file. In GDB, type where to see the stack backtrace