Also reported as affecting project Inkscape here: Bug #1023004 "xorg crashes when clicking in inkscape work area"
Based on the provided feedback ("it seems that the last xserver update fixed the problem."), bug #1023004 had been closed for project Inkscape, and probably could be marked as duplicate of this one.
Also reported as affecting project Inkscape here:
Bug #1023004 "xorg crashes when clicking in inkscape work area"
Based on the provided feedback ("it seems that the last xserver update fixed the problem."), bug #1023004 had been closed for project Inkscape, and probably could be marked as duplicate of this one.