Comment 8 for bug 574329

Adding custom.conf does not help it for me. I recompiled gdm with nostrip option and got this backtrace when logging out.

Program received signal SIGTERM, Terminated.
0x00aed422 in __kernel_vsyscall ()
(gdb) bt
#0 0x00aed422 in __kernel_vsyscall ()
#1 0x004beb86 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0x0099d13b in ?? () from /lib/libdbus-1.so.3
#3 0x009950ef in ?? () from /lib/libdbus-1.so.3
#4 0x009932cc in ?? () from /lib/libdbus-1.so.3
#5 0x0097dba3 in ?? () from /lib/libdbus-1.so.3
#6 0x00980224 in ?? () from /lib/libdbus-1.so.3
#7 0x0098da51 in dbus_pending_call_block () from /lib/libdbus-1.so.3
#8 0x0097f7cc in dbus_connection_send_with_reply_and_block () from /lib/libdbus-1.so.3
#9 0x0804cc21 in ck_connector_close_session (connector=0x8392ff8, error=0x0) at ck-connector.c:643
#10 0x080516a7 in session_worker_child_watch (pid=1745, status=0, worker=0x8372800) at gdm-session-worker.c:1838
#11 0x0015d6c2 in g_child_watch_dispatch (source=0x838bdb8, callback=0xfffffdfc, user_data=0x8372800) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:3774
#12 0x0015f5e5 in g_main_dispatch (context=0x83708a0) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:1960
#13 IA__g_main_context_dispatch (context=0x83708a0) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2513
#14 0x001632d8 in g_main_context_iterate (context=0x83708a0, block=<value optimized out>, dispatch=1, self=0x8364de8)
    at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2591
#15 0x00163817 in IA__g_main_loop_run (loop=0x83717e0) at /build/buildd/glib2.0-2.24.1/glib/gmain.c:2799
#16 0x0804c8de in main (argc=1, argv=0xbfa967b4) at session-worker-main.c:201
(gdb) cont
Continuing.

Program received signal SIGABRT, Aborted.
0x00aed422 in __kernel_vsyscall ()
(gdb) bt
#0 0x00aed422 in __kernel_vsyscall ()
#1 0x00429651 in raise () from /lib/tls/i686/cmov/libc.so.6
#2 0x0042ca82 in abort () from /lib/tls/i686/cmov/libc.so.6
#3 0x0046049d in ?? () from /lib/tls/i686/cmov/libc.so.6
#4 0x0046a591 in ?? () from /lib/tls/i686/cmov/libc.so.6
#5 0x0046bde8 in ?? () from /lib/tls/i686/cmov/libc.so.6
#6 0x0046eecd in free () from /lib/tls/i686/cmov/libc.so.6
#7 0x00167fc6 in IA__g_free (mem=0x0) at /build/buildd/glib2.0-2.24.1/glib/gmem.c:191
#8 0x00150dc8 in g_hash_table_remove_all_nodes (hash_table=<value optimized out>, notify=<value optimized out>)
    at /build/buildd/glib2.0-2.24.1/glib/ghash.c:488
#9 0x001512fd in IA__g_hash_table_remove_all (hash_table=0x8366d80) at /build/buildd/glib2.0-2.24.1/glib/ghash.c:1166
#10 0x001513ad in IA__g_hash_table_destroy (hash_table=0x8366d80) at /build/buildd/glib2.0-2.24.1/glib/ghash.c:873
#11 0x0804f03e in gdm_session_worker_finalize (object=0x8372800) at gdm-session-worker.c:3016
#12 0x002493f4 in IA__g_object_unref (_object=0x8372800) at /build/buildd/glib2.0-2.24.1/gobject/gobject.c:2484
#13 0x0804c8ea in main (argc=1, argv=0xbfa967b4) at session-worker-main.c:204