program crashes and is not responding while moving path nodes

Operating System: Debian Squeeze - Kernel 2.6.32 x86
Program: Inkscape 0.47
Languaje: Spanish

Steps:
* Import JPG file
* Convert into a pattern
* Delete JPG picture
* Draw a rectagle and fill with pattern (jpg picture)
* Convert into a path
* Double click to move path nodes

After moving 1st or 2nd node program craches and is not responding anymore.
Only way to continue is to kill the process.

BACKTRACE:

gdb /usr/bin/inkscape
GNU gdb (GDB) 7.0-debian
Copyright (C) 2009 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 "i486-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]
[New Thread 0xa7b11b70 (LWP 22821)]
[New Thread 0xa71ffb70 (LWP 22822)]
[New Thread 0xa69feb70 (LWP 22823)]
[New Thread 0xa61fdb70 (LWP 22824)]
[Thread 0xa61fdb70 (LWP 22824) exited]
[Thread 0xa71ffb70 (LWP 22822) exited]
[Thread 0xa7b11b70 (LWP 22821) exited]
[New Thread 0xa7b11b70 (LWP 22825)]
[Thread 0xa7b11b70 (LWP 22825) exited]
[New Thread 0xa7b11b70 (LWP 22826)]
[Thread 0xa69feb70 (LWP 22823) exited]
[Thread 0xa7b11b70 (LWP 22826) exited]

Program received signal SIGSEGV, Segmentation fault.
0xb7209a07 in g_str_hash () from /lib/libglib-2.0.so.0
(gdb) bt
#0 0xb7209a07 in g_str_hash () from /lib/libglib-2.0.so.0
#1 0xb71d78c8 in g_hash_table_lookup () from /lib/libglib-2.0.so.0
#2 0xb71d00f6 in g_quark_from_string () from /lib/libglib-2.0.so.0
#3 0x08353ba5 in ?? ()
#4 0x08519715 in ?? ()
#5 0x0851a4f6 in ?? ()
#6 0xb728e5b8 in g_cclosure_marshal_VOID(unsigned int0_t) () from /usr/lib/libgobject-2.0.so.0
#7 0xb7280f62 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#8 0xb72953a8 in ?? () from /usr/lib/libgobject-2.0.so.0
#9 0xb729672d in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#10 0xb7296ba6 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#11 0x080b0e71 in ?? ()
#12 0x08240508 in ?? ()
#13 0xb7280f62 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#14 0xb72953a8 in ?? () from /usr/lib/libgobject-2.0.so.0
#15 0xb72965b8 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#16 0xb7864f9e in gtk_signal_emit () from /usr/lib/libgtk-x11-2.0.so.0
#17 0x081bab77 in ?? ()
#18 0x081bc7c7 in ?? ()
#19 0xb76e0f66 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#20 0xb727f5e9 in ?? () from /usr/lib/libgobject-2.0.so.0
#21 0xb7280f62 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#22 0xb729509e in ?? () from /usr/lib/libgobject-2.0.so.0
#23 0xb72965b8 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#24 0xb7296ba6 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#25 0xb77fd1b6 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#26 0xb76d96fc in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#27 0xb76daa4f in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#28 0xb756257a in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#29 0xb71e6b38 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0xb71ea3d0 in ?? () from /lib/libglib-2.0.so.0
#31 0xb71ea83f in g_main_loop_run () from /lib/libglib-2.0.so.0
#32 0xb76daf09 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#33 0xb7e54c77 in Gtk::Main::run_impl() () from /usr/lib/libgtkmm-2.4.so.1
#34 0xb7e54a72 in Gtk::Main::run() () from /usr/lib/libgtkmm-2.4.so.1
#35 0x0808858b in ?? ()
#36 0x0816351a in ?? ()
#37 0x08087a52 in ?? ()
#38 0xb6666b55 in __libc_start_main () from /lib/i686/cmov/libc.so.6
#39 0x08086b01 in ?? ()