Trying to debug assemly

[aprekates]

I have a simp cpuid.s assemblied to cpuid.o and linked to create a  
cpuid executable.

In emacs i do :

M-x gdb

and i give as argument the cpuid path.

I get :

Reading symbols from 
/home/chomwitt/Programming/Assembly/Blum/code/chap04/cpuid...done.
(gdb) Undefined command: "1-inferior-tty-set".  Try "help".
(gdb) Undefined command: "2-gdb-set".  Try "help".
(gdb) Undefined command: "3-gdb-set".  Try "help".
(gdb) Undefined command: "4-enable-pretty-printing".  Try "help".
(gdb) Undefined command: "5-file-list-exec-source-files".  Try "help".
(gdb) Undefined command: "6-file-list-exec-source-file".  Try "help".
(gdb) Undefined command: "7-gdb-show".  Try "help".
(gdb) Undefined command: "8-stack-info-frame".  Try "help".
(gdb) Undefined command: "9-thread-info".  Try "help".
(gdb) Undefined command: "10-break-list".  Try "help".
(gdb) Undefined command: "11-thread-info".  Try "help".
(gdb) Undefined command: "12-break-list".  Try "help"

(gdb)

What are those lines mean? Are those warnings or bugs?