how to debug "segment fault" problem in kdevelop?

[明覺]

Greetings!

I used kdevelop 3.5 and built a c++ project successfully, but when i
run it, it says segment fault, here is the debug info from gdb, how
could i fix it? thanks
------------------------------------------------------------------
This GDB was configured as "x86_64-linux-gnu".
(gdb) run
Starting program: /root/workspace/C++/k3dsurf/bin/k3dsurf
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5d74a60 in ?? () from /lib/libc.so.6
(gdb)

------------------------------------------------------------------

-- 
My platform is debian-sid-amd64 gnome kdevelop.