I reproduce it by :
1 draw something, anything.
2 Make your drawing a pattern
3 Draw a closed shape with ink
4 select all the nodes with node editor
5 move the shape by taking one the selected nodes.
6 crash occur.
I join the terminal ouput from ubuntu :
[manu@manu-desktop ~]$ inkscape
** (inkscape:4142): CRITICAL **: virtual const gchar* Inkscape::XML::SimpleNode::attribute(const gchar*) const: assertion `name != NULL' failed
** (inkscape:4142): CRITICAL **: virtual void Inkscape::XML::SimpleNode::setAttribute(const gchar*, const gchar*, bool): assertion `name && *name' failed
** (inkscape:4142): CRITICAL **: void sp_canvas_end_forced_full_redraws(SPCanvas*): assertion `canvas != NULL' failed
Emergency save activated!
Emergency save document locations:
/home/manu/Nouveau document 1.2009_10_29_22_27_18.0.svg
Emergency save completed. Inkscape will close now.
If you can reproduce this crash, please file a bug at www.inkscape.org
with a detailed description of the steps leading to the crash, so we can fix it.
Erreur de segmentation