$ gdb python
GNU gdb (Linaro GDB) 7.4-2012.06-ubuntu
Copyright (C) 2012 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-linux-gnu".
Para las instrucciones de informe de errores, vea:
<http://bugs.launchpad.net/gdb-linaro/>...
Leyendo símbolos desde /usr/bin/python...Leyendo símbolos desde /usr/lib/debug/usr/bin/python2.7...hecho.
hecho.
(gdb) run webcam-1.0
Starting program: /usr/bin/python webcam-1.0
[Depuración de hilo usando libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Nuevo Thread 0xb63c9b40 (LWP 11308)]
[Nuevo Thread 0xb58ffb40 (LWP 11309)]
[Nuevo Thread 0xb4e6fb40 (LWP 11310)]
[Nuevo Thread 0xb459fb40 (LWP 11311)]
prepare-window-handle

Program received signal SIGSEGV, Segmentation fault.
[Cambiando a Thread 0xb459fb40 (LWP 11311)]
__memcpy_ssse3_rep () at ../sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S:158
158 ../sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S: No existe el archivo o el directorio.
(gdb) bt
#0  __memcpy_ssse3_rep () at ../sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S:158
#1  0xb507af8f in gst_video_frame_copy_plane () from /usr/lib/i386-linux-gnu/libgstvideo-1.0.so.0
#2  0xb507b08f in gst_video_frame_copy () from /usr/lib/i386-linux-gnu/libgstvideo-1.0.so.0
#3  0xb5b9f194 in ?? () from /usr/lib/i386-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#4  0xb507b48f in ?? () from /usr/lib/i386-linux-gnu/libgstvideo-1.0.so.0
#5  0xb50c8efa in gst_base_sink_do_preroll () from /usr/lib/i386-linux-gnu/libgstbase-1.0.so.0
#6  0xb50ca36b in ?? () from /usr/lib/i386-linux-gnu/libgstbase-1.0.so.0
#7  0xb50cd3c6 in ?? () from /usr/lib/i386-linux-gnu/libgstbase-1.0.so.0
#8  0xb50cfb68 in ?? () from /usr/lib/i386-linux-gnu/libgstbase-1.0.so.0
#9  0xb5af0b06 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-1.0.so.0
#10 0xb5ae048c in gst_proxy_pad_chain_default () from /usr/lib/i386-linux-gnu/libgstreamer-1.0.so.0
#11 0xb5af0b06 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-1.0.so.0
#12 0xb5ae048c in gst_proxy_pad_chain_default () from /usr/lib/i386-linux-gnu/libgstreamer-1.0.so.0
#13 0xb5af0b06 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-1.0.so.0
#14 0xb50d57cb in ?? () from /usr/lib/i386-linux-gnu/libgstbase-1.0.so.0
#15 0xb5b21a68 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-1.0.so.0
#16 0xb5b22ad8 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-1.0.so.0
#17 0xb7626c88 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#18 0xb76262b3 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#19 0xb7f9bd4c in start_thread (arg=0xb459fb40) at pthread_create.c:308
#20 0xb7cb8ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130