.
Thread 1 (Thread 3474):
#0  0x0100a26a in IA__gtk_icon_theme_lookup_by_gicon (icon_theme=0x923c9c0, 
    icon=0x97ccd20, size=16, flags=GTK_ICON_LOOKUP_USE_BUILTIN)
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtkicontheme.c:3456
        __t = <value optimized out>
        __r = <value optimized out>
        info = <value optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_icon_theme_lookup_by_gicon"
#1  0x0100a3b3 in IA__gtk_icon_theme_lookup_by_gicon (icon_theme=0x923c9c0, 
    icon=0x9ae2098, size=16, flags=GTK_ICON_LOOKUP_USE_BUILTIN)
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtkicontheme.c:3487
        emblem = <value optimized out>
        list = <value optimized out>
        emblem_info = <value optimized out>
        base = 0x9275710
        l = <value optimized out>
        info = <value optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_icon_theme_lookup_by_gicon"
#2  0x00f91e5e in gtk_cell_renderer_pixbuf_create_themed_pixbuf (
    cell=0x928da48, widget=0x9309250, cell_area=0x0, x_offset=0x0, 
    y_offset=0x0, width=0xbf9b4b70, height=0xbf9b4b74)
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtkcellrendererpixbuf.c:531
        info = <value optimized out>
        screen = <value optimized out>
        priv = 0x928da90
        icon_theme = 0x923c9c0
        settings = <value optimized out>
        width = 31
        height = 154637776
#3  gtk_cell_renderer_pixbuf_get_size (cell=0x928da48, widget=0x9309250, 
    cell_area=0x0, x_offset=0x0, y_offset=0x0, width=0xbf9b4b70, 
    height=0xbf9b4b74)
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtkcellrendererpixbuf.c:615
        pixbuf_width = <value optimized out>
        pixbuf_height = 153340352
        calc_width = <value optimized out>
        calc_height = <value optimized out>
#4  0x00f8ecf9 in IA__gtk_cell_renderer_get_size (cell=0x928da48, 
    widget=0x9309250, cell_area=0x0, x_offset=0x0, y_offset=0x0, 
    width=0xbf9b4b70, height=0xbf9b4b74)
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtkcellrenderer.c:522
        real_width = 0x1f
        real_height = <value optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_cell_renderer_get_size"
#5  0x0115cf4b in IA__gtk_tree_view_column_cell_get_size (
    tree_column=0x9369588, cell_area=0x0, x_offset=0x0, y_offset=0x0, 
    width=0xbf9b4c50, height=0xbf9b4c4c)
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtktreeviewcolumn.c:2645
        info = 0x9304640
        visible = 1
        new_height = 0
        new_width = 0
        list = 0x93f0520
        first_cell = 1
        focus_line_width = 1
        __PRETTY_FUNCTION__ = "IA__gtk_tree_view_column_cell_get_size"
#6  0x011544a8 in validate_row (tree_view=<value optimized out>, 
    tree=<value optimized out>, node=0x983b720, iter=0xbf9b4d18, 
    path=0x9b11190) at /build/buildd/gtk+2.0-2.20.0/gtk/gtktreeview.c:5740
        tmp_width = 0
        tmp_height = 0
        column = 0x9369588
        list = 0x93f2650
        first_column = <value optimized out>
        last_column = <value optimized out>
        height = <value optimized out>
        horizontal_separator = 2
        vertical_separator = 0
        focus_line_width = 1
        depth = 1
        retval = 0
        is_separator = 0
        focus_pad = 1
        grid_line_width = 1
        wide_separators = 0
        separator_height = 0
#7  0x01155f8f in validate_visible_area (tree_view=0x9309250)
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtktreeview.c:5950
        offset = <value optimized out>
        path = 0x9b11190
        above_path = 0x0
        iter = {stamp = -654931538, user_data = 0x9a56348, user_data2 = 0x0, 
          user_data3 = 0x0}
        tree = 0x9843888
        node = 0x983b720
        need_redraw = <value optimized out>
        size_changed = 15507444
        total_height = 284
        area_above = <value optimized out>
        area_below = <value optimized out>
        __PRETTY_FUNCTION__ = "validate_visible_area"
#8  0x0115607d in do_presize_handler (tree_view=0x9309250)
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtktreeview.c:6387
No locals.
#9  0x0115612e in presize_handler_callback (data=0x9309250)
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtktreeview.c:6409
No locals.
#10 0x00126318 in gdk_threads_dispatch (data=0x9a83c70)
    at /build/buildd/gtk+2.0-2.20.0/gdk/gdk.c:512
        ret = 0
#11 0x0038a661 in g_idle_dispatch (source=0x9b07900, callback=0x9275710, 
    user_data=0x9a83c70) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:4065
No locals.
#12 0x0038c5e5 in g_main_dispatch (context=0x923e808)
    at /build/buildd/glib2.0-2.24.0/glib/gmain.c:1960
        dispatch = 0x38a640 <g_idle_dispatch>
        user_data = 0x9a83c70
        callback = 0x1262b0 <gdk_threads_dispatch>
        cb_funcs = 0x41a33c
        cb_data = 0x9842af0
        current_source_link = {data = 0x9b07900, next = 0x0}
        source = 0x9b07900
        current = 0x92660b0
        i = 0
#13 IA__g_main_context_dispatch (context=0x923e808)
    at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2513
No locals.
#14 0x003902d8 in g_main_context_iterate (context=0x923e808, 
    block=<value optimized out>, dispatch=1, self=0x920b270)
    at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2591
        max_priority = 108
        timeout = 0
        some_ready = 1
        nfds = <value optimized out>
        allocated_nfds = <value optimized out>
        fds = <value optimized out>
        __PRETTY_FUNCTION__ = "g_main_context_iterate"
#15 0x00390817 in IA__g_main_loop_run (loop=0x97956d8)
    at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2799
        self = 0x920b270
        __PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#16 0x0103b299 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.20.0/gtk/gtkmain.c:1219
        tmp_list = 0x0
        functions = 0x0
        init = 0x0
        loop = 0x97956d8
#17 0x0806627b in fe_main ()
No symbol table info available.
#18 0x080a83ff in main ()
No symbol table info available.