#0  _cairo_traps_tessellate_polygon (traps=0xbfffc478, poly=0xbfffc408, 
    fill_rule=CAIRO_FILL_RULE_WINDING) at cairo-traps.c:660
#1  0xb14dc684 in _cairo_path_fixed_fill_to_traps (path=0x86f9a68, 
    gstate=0x8117e80, traps=0xbfffc478) at cairo-path-fill.c:199
#2  0xb14d7f62 in _cairo_gstate_clip (gstate=0x8117e80, path=0x86f9a68)
    at cairo-gstate.c:1800
#3  0xb14d0d36 in *INT_cairo_clip_preserve (cr=0x86f9a60) at cairo.c:1586
#4  0xb14d0ce7 in cairo_clip (cr=0x86f9a60) at cairo.c:1551
#5  0xb16f292f in gdk_window_clear_backing_rect (window=0x8764cc8, x=642, 
    y=388, width=2, height=19)
    at /disks/beep/jhbuild/sources/gtk+/gdk/gdkwindow.c:1787
#6  0xb16f095a in IA__gdk_window_begin_paint_region (window=0x8764cc8, 
    region=0x85a4d68) at /disks/beep/jhbuild/sources/gtk+/gdk/gdkwindow.c:991
#7  0xb18f6970 in IA__gtk_main_do_event (event=0xbfffc9b0)
    at /disks/beep/jhbuild/sources/gtk+/gtk/gtkmain.c:1350
#8  0xb1b524fc in Java_org_eclipse_swt_internal_gtk_OS__1gtk_1main_1do_1event
    ()
   from /disks/beep/eclipse/eclipse-3.1/configuration/org.eclipse.osgi/bundles/77/1/.cp/libswt-pi-gtk-3138.so