Bug#607557: backtrace with gnome-panel debug symbols

[Bastien]

Sure. I also compiled the library without the -O flag, so I can look at 
the value of any variable.

I get this running the "simple" example.


Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5f19163 in panel_applet_factory_main_closure (iid=0x665d38 
"OAFIID:SimplePA_Factory", applet_type=6682016,
     closure=0x610170) at panel-applet.c:1773
1773            iid, DisplayString (gdk_display));

(gdb) bt
#0  0x00007ffff5f19163 in panel_applet_factory_main_closure 
(iid=0x665d38 "OAFIID:SimplePA_Factory", applet_type=6682016,
     closure=0x610170) at panel-applet.c:1773
#1  0x00007ffff5f1924e in panel_applet_factory_main (iid=0x665d38 
"OAFIID:SimplePA_Factory", applet_type=6682016, callback=
     0x406c64 <Gnome::Panel::(anonymous 
namespace)::SignalProxy_Factory::c_callback(PanelApplet*, gchar const*, 
void*)>,
     data=0x7fffffffded0) at panel-applet.c:1798
#2  0x0000000000408942 in Gnome::Panel::factory_main<MyApplet> (iid=...)
     at ../../libpanelapplet/libpanelappletmm/factory.h:99
#3  0x0000000000408077 in main (argc=1, argv=0x7fffffffe078) at main.cc:138

(gdb) list
1768        closure = bonobo_closure_store (closure, 
panel_applet_marshal_BOOLEAN__STRING);
1769
1770        data = panel_applet_callback_data_new (applet_type, closure);
1771
1772        display_iid = bonobo_activation_make_registration_id (
1773            iid, DisplayString (gdk_display));
1774        retval = bonobo_generic_factory_main (
1775            display_iid,
1776            (BonoboFactoryCallback) panel_applet_factory_callback,
1777            data);

(gdb) print gdk_display
$3 = (Display *) 0x0

(gdb) print display_iid
$4 = 0x101010101010101 <Address 0x101010101010101 out of bounds>