ristretto backtrace

$ gdb ristretto
GNU gdb (GDB) 7.6.1
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-slackware-linux".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/ristretto...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/ristretto
warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib64/libgobject-2.0.so.0.3600.4-gdb.py", line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[New Thread 0x7fffeb333700 (LWP 8360)]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6946570 in gdk_pixbuf_saturate_and_pixelate () from /usr/lib64/libgdk_pixbuf-2.0.so.0
(gdb) backtrace
#0  0x00007ffff6946570 in gdk_pixbuf_saturate_and_pixelate () from /usr/lib64/libgdk_pixbuf-2.0.so.0
#1  0x000000000041202f in ?? ()
#2  0x00007ffff5cb2acc in g_type_create_instance () from /usr/lib64/libgobject-2.0.so.0
#3  0x00007ffff5c97818 in ?? () from /usr/lib64/libgobject-2.0.so.0
#4  0x00007ffff5c99291 in g_object_newv () from /usr/lib64/libgobject-2.0.so.0
#5  0x00007ffff5c9985c in g_object_new () from /usr/lib64/libgobject-2.0.so.0
#6  0x000000000041d6d2 in ?? ()
#7  0x00007ffff5cb2acc in g_type_create_instance () from /usr/lib64/libgobject-2.0.so.0
#8  0x00007ffff5c97818 in ?? () from /usr/lib64/libgobject-2.0.so.0
#9  0x00007ffff5c98d99 in g_object_newv () from /usr/lib64/libgobject-2.0.so.0
#10 0x00007ffff5c9985c in g_object_new () from /usr/lib64/libgobject-2.0.so.0
#11 0x000000000041fc41 in ?? ()
#12 0x000000000040eeee in ?? ()
#13 0x00007ffff3a53d05 in __libc_start_main () from /lib64/libc.so.6
#14 0x000000000040f0b9 in ?? ()
(gdb)