Comment 6 for bug 20101

I have the same bug.

Backtrace with libgnome-menu2 debug builded:

Backtrace was generated from '/usr/bin/gnome-panel'

Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
`system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols.
[Thread debugging using libthread_db enabled]
[New Thread -1224132928 (LWP 2495)]
[New Thread -1226867792 (LWP 3209)]
0xffffe410 in __kernel_vsyscall ()
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb77784ab in __waitpid_nocancel ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7ed2498 in libgnomeui_module_info_get ()
   from /usr/lib/libgnomeui-2.so.0
#3 <signal handler called>
#4 emit_events_in_idle () at menu-monitor.c:83
#5 0xb77126e0 in g_idle_dispatch (source=0x82f1ca8,
    callback=0xb778db00 <emit_events_in_idle>, user_data=0x0) at gmain.c:3813
#6 0xb771047e in IA__g_main_context_dispatch (context=0x80ee560)
    at gmain.c:1934
#7 0xb7713486 in g_main_context_iterate (context=0x80ee560, block=1,
    dispatch=1, self=0x80c12e8) at gmain.c:2565
#8 0xb7713773 in IA__g_main_loop_run (loop=0x8205a20) at gmain.c:2769
#9 0xb7b31fb6 in IA__gtk_main () at gtkmain.c:974
#10 0x080653b7 in main (argc=0, argv=0x0) at main.c:90

Thread 2 (Thread -1226867792 (LWP 3209)):
#0 0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb767d2d4 in poll () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2 0xb77132d8 in g_main_context_iterate (context=0x82238e0, block=1,
    dispatch=1, self=0x8129230) at gmain.c:2867
 max_priority = 2147483647
 timeout = -1
 some_ready = #0 0xffffe410 in __kernel_vsyscall ()