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Leyendo símbolos desde /usr/bin/X...(no se encontraron símbolos de depuración)hecho.
Adjuntando al programa: /usr/bin/X, process 1607
Leyendo símbolos desde /lib64/ld-linux-x86-64.so.2...(no se encontraron símbolos de depuración)hecho.
Símbolos cargados para /lib64/ld-linux-x86-64.so.2
0x00007f59937d3da3 in ?? ()
(gdb) start
The program being debugged has been started already.
Start it from the beginning? (y o n) ¿Compilación de breakpoint pendiente hasta futura cargada de biblioteca compartida? (y o [n]) 
Punto de interrupción temporal 1 (main) pendiente.
Starting program: /usr/bin/X 
process 2466 is executing new program: /usr/bin/Xorg
[Depuración de hilo usando libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Temporary breakpoint 1, main (argc=1, argv=0x7fff2b93ea38, envp=0x7fff2b93ea48) at ../../dix/stubmain.c:34
(gdb) continue
Continuando.
[Nuevo Thread 0x7fcaa40bf700 (LWP 2468)]

Program received signal SIGUSR1, User defined signal 1.
0x00007fcaa8669da3 in select () from /lib/x86_64-linux-gnu/libc.so.6
(gdb)