Bug#509564: /usr/bin/shares-admin: Crash:segmentation fault

[medi tus]

I don't know if I'm too noob to do this, but I can't get a backtrace. I have
installed those packages and runned "sudo gdb shares-admin" having this
result:

$ sudo gdb /usr/bin/shares-admin
GNU gdb 6.8-debian
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 "i486-linux-gnu"...
(no debugging symbols found)
(gdb) bt
No stack.

(gdb) bt full
No stack.

It is the same situation with "sudo gdb shares-admin".

Why have I no stack? I also tried to give "step" but I get "The program is
not being run." . Do I need some other -dbg package?
I'm sorry for my slowliness for this bug reporting...but I chose debian to
learn everyday for the future :)
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