[ns] hi help ((no debugging symbols found))

[Batbold Toiruul]

Hi guys,
I am using gdb debuggar to find program error. However, when I use gdb, i
have some errors:

bbold at home-2348a775f9 ~/ns-allinone-2.33/ns-2.33
$ gdb ns
GNU gdb 6.8.0.20080328-cvs (cygwin-special)
Copyright (C) 2008 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 "i686-pc-cygwin"...
(no debugging symbols found)
(gdb) run demo2_rad2.tcl
(gdb) run demo2_rad2.tcl
Starting program: /home/bbold/ns-allinone-2.33/ns-2.33/ns.exe demo2_rad2.tcl
[New thread 1880.0x875c]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[New thread 1880.0x80d8]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
couldn't read file "demo2_rad2.tcl": no such file or directory

Program exited with code 01.

if anybody knows about, help me?

Thanks a lot in advance.