~$ gdb /usr/bin/inkscape
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 /usr/bin/inkscape...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/inkscape 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffe5e4d700 (LWP 3788)]
[New Thread 0x7fffe564c700 (LWP 3789)]
[New Thread 0x7fffe4817700 (LWP 3790)]
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 9: reading configurations from ~/.fonts.conf is deprecated.
[New Thread 0x7fffd1550700 (LWP 3794)]
[New Thread 0x7fffc8d4f700 (LWP 3795)]
[New Thread 0x7fffd0d4f700 (LWP 3796)]
[Thread 0x7fffd0d4f700 (LWP 3796) exited]
[Thread 0x7fffd1550700 (LWP 3794) exited]

** (inkscape:3784): CRITICAL **: void SPObject::detach(SPObject*): assertion `object->parent == this' failed

Program received signal SIGSEGV, Segmentation fault.
0x00000000005a08be in ?? ()
(gdb) bt
#0  0x00000000005a08be in ?? ()
#1  0x000000000057281c in ?? ()
#2  0x00000000005738a8 in ?? ()
#3  0x000000000059f112 in ?? ()
#4  0x000000000057cf1f in ?? ()
#5  0x00000000005ae7d0 in ?? ()
#6  0x000000000059f112 in ?? ()
#7  0x00000000004a8005 in ?? ()
#8  0x00000000004a8047 in ?? ()
#9  0x000000000052f635 in ?? ()
#10 0x000000000066f002 in ?? ()
#11 0x00000000006543da in ?? ()
#12 0x00000000006521e2 in ?? ()
#13 0x00000000004c042a in ?? ()
#14 0x00000000004c1129 in ?? ()
#15 0x00000000006ed362 in ?? ()
#16 0x00007ffff1814620 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#17 0x00007ffff1825f00 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#18 0x00007ffff182dd11 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#19 0x00007ffff182df92 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007fffe4a3f50d in ?? () from /usr/lib/x86_64-linux-gnu/libdbusmenu-gtk.so.4
#21 0x00007ffff1816b81 in g_cclosure_marshal_VOID(unsigned int0_t, void) () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007ffff18148e7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007ffff182d2df in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#24 0x00007ffff182df92 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#25 0x00007fffe4821632 in dbusmenu_menuitem_handle_event () from /usr/lib/x86_64-linux-gnu/libdbusmenu-glib.so.4
#26 0x00007fffe4822c27 in ?? () from /usr/lib/x86_64-linux-gnu/libdbusmenu-glib.so.4
#27 0x00007ffff124cb1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007ffff124bf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007ffff124c248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007ffff124c6ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007ffff69b0fe7 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#32 0x000000000047489b in ?? ()
#33 0x00007ffff0420ea5 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#34 0x0000000000471641 in ?? ()