pmjdebruijn@asus:~/xfb/xfburn-0.4.3/xfburn$ gdb ./xfburn 
GNU gdb (GDB) 7.5.91.20130417-cvs-ubuntu
Copyright (C) 2013 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 "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /home/pmjdebruijn/xfb/xfburn-0.4.3/xfburn/xfburn...done.
(gdb) r
Starting program: /home/pmjdebruijn/xfb/xfburn-0.4.3/xfburn/xfburn 
warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

(process:17127): GLib-WARNING **: /build/buildd/glib2.0-2.36.0/./glib/goption.c:2193: ignoring no-arg, optional-arg or filename flags (8) on option of arg-type 0 in entry (null):version

(process:17127): GLib-WARNING **: /build/buildd/glib2.0-2.36.0/./glib/goption.c:2193: ignoring no-arg, optional-arg or filename flags (8) on option of arg-type 0 in entry (null):main
[New Thread 0x7fffeb55e700 (LWP 17131)]
[New Thread 0x7fffead5d700 (LWP 17132)]
** Message: Thunar-VFS not available, using default implementation
[New Thread 0x7fffea55c700 (LWP 17133)]

** (xfburn:17127): WARNING **: No drives were found! If this is in error, check the permissions
[Thread 0x7fffea55c700 (LWP 17133) exited]
** Message: Using gstreamer transcoder.

(xfburn:17127): Gtk-CRITICAL **: IA__gtk_action_set_sensitive: assertion `GTK_IS_ACTION (action)' failed
[New Thread 0x7fffea55c700 (LWP 17134)]
[Thread 0x7fffea55c700 (LWP 17134) exited]

(xfburn:17127): GLib-GObject-CRITICAL **: g_object_get: assertion `G_IS_OBJECT (object)' failed

(xfburn:17127): GLib-GObject-CRITICAL **: g_object_get: assertion `G_IS_OBJECT (object)' failed

(xfburn:17127): GLib-GObject-CRITICAL **: g_object_get: assertion `G_IS_OBJECT (object)' failed

(xfburn:17127): GLib-GObject-CRITICAL **: g_object_get: assertion `G_IS_OBJECT (object)' failed

Program received signal SIGSEGV, Segmentation fault.
fill_combo_speed (box=box@entry=0x9f0ac0, device=<optimized out>) at xfburn-device-box.c:466
466	    gint write_speed = GPOINTER_TO_INT (el->data);
(gdb) bt
#0  fill_combo_speed (box=box@entry=0x9f0ac0, device=<optimized out>) at xfburn-device-box.c:466
#1  0x0000000000416d80 in refresh_drive_info (box=box@entry=0x9f0ac0, device=0x0) at xfburn-device-box.c:747
#2  0x000000000041756f in xfburn_device_box_constructor (type=<optimized out>, n_construct_properties=<optimized out>, construct_properties=<optimized out>)
    at xfburn-device-box.c:300
#3  0x00007ffff5c96ce1 in g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#4  0x00007ffff5c974d0 in g_object_new_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#5  0x00007ffff5c97804 in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6  0x0000000000417782 in xfburn_device_box_new (flags=flags@entry=(SHOW_CD_WRITERS | SHOW_CDRW_WRITERS | SHOW_SPEED_SELECTION | SHOW_MODE_SELECTION))
    at xfburn-device-box.c:779
#7  0x000000000041030d in xfburn_burn_data_composition_base_dialog_constructor (type=<optimized out>, n_construct_properties=<optimized out>, 
    construct_properties=<optimized out>) at xfburn-burn-data-composition-base-dialog.c:190
#8  0x00007ffff5c96ce1 in g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9  0x00007ffff5c974d0 in g_object_new_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#10 0x00007ffff5c97804 in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x0000000000410af3 in xfburn_burn_data_cd_composition_dialog_new (image=0xc9f4e0, has_default_name=1) at xfburn-burn-data-cd-composition-dialog.c:117
#12 0x0000000000420f56 in cb_begin_burn (du=0x9fd010, dc=<optimized out>) at xfburn-data-composition.c:503
#13 0x00007ffff5c90620 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007ffff5ca1f00 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#15 0x00007ffff5ca9d11 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#16 0x00007ffff5ca9f92 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#17 0x00007ffff5c908e7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#18 0x00007ffff5ca92df in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#19 0x00007ffff5ca9f92 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007ffff6b48ab5 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#21 0x00007ffff5c908e7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007ffff5ca92df in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007ffff5ca9f92 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#24 0x00007ffff6b478b9 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#25 0x00007ffff6bf0929 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#26 0x00007ffff5c90620 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#27 0x00007ffff5ca1af8 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#28 0x00007ffff5ca9996 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#29 0x00007ffff5ca9f92 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#30 0x00007ffff6d09d9e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#31 0x00007ffff6beeca4 in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#32 0x00007ffff6bef00b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#33 0x00007ffff6654ccc in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#34 0x00007ffff57caf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ffff57cb248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ffff57cb6ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007ffff6bedfe7 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#38 0x000000000040d2de in main (argc=1, argv=0x7fffffffe598) at xfburn-main.c:408
(gdb) 
(gdb) q
A debugging session is active.

	Inferior 1 [process 17127] will be killed.

Quit anyway? (y or n) y