Description of problem:
$ gnome-appearance-properties 

(gnome-appearance-properties:26563): atk-bridge-WARNING **: AT_SPI_REGISTRY was
not started at session startup.

(gnome-appearance-properties:26563): atk-bridge-WARNING **: IOR not set.

(gnome-appearance-properties:26563): atk-bridge-WARNING **: Could not locate
registry

** (gnome-appearance-properties:26563): CRITICAL **:
dbus_g_connection_get_connection: assertion `gconnection' failed
process 26563: arguments to dbus_connection_send() were incorrect, assertion
"connection != NULL" failed in file dbus-connection.c line 3092.
This is normally a bug in some application using the D-Bus library.
  D-Bus not built with -rdynamic so unable to print a backtrace
Aborted (core dumped)

$ gdb /usr/bin/gnome-appearance-properties core.26563
Core was generated by `gnome-appearance-properties'.
Program terminated with signal 6, Aborted.
[New process 26563]
#0  0x00007fae6cdbeee5 in raise (sig=<value optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
64        return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
Missing separate debuginfos, use: debuginfo-install GConf2.x86_64 ORBit2.x86_64
PolicyKit-gnome.x86_64 PolicyKit.x86_64 alsa-lib.x86_64 at-spi.x86_64 atk.x86_64
audiofile.x86_64 avahi.x86_64 cairo.x86_64 dbus-glib.x86_64 dbus.x86_64
e2fsprogs.x86_64 esound.x86_64 expat.x86_64 fontconfig.x86_64 freetype.x86_64
glib2.x86_64 gnome-desktop.x86_64 gnome-keyring.x86_64 gnome-menus.x86_64
gnome-panel.x86_64 gnome-vfs2.x86_64 gtk-nodoka-engine.x86_64 gtk2.x86_64
keyutils.x86_64 krb5.x86_64 libICE.x86_64 libSM.x86_64 libX11.x86_64
libXau.x86_64 libXcomposite.x86_64 libXcursor.x86_64 libXdamage.x86_64
libXdmcp.x86_64 libXext.x86_64 libXfixes.x86_64 libXft.x86_64 libXi.x86_64
libXinerama.x86_64 libXrandr.x86_64 libXrender.x86_64 libXtst.x86_64
libart_lgpl.x86_64 libbonobo.x86_64 libbonoboui.x86_64 libcap.x86_64
libgail-gnome.x86_64 libglade2.x86_64 libgnome.x86_64 libgnomecanvas.x86_64
libgnomeui.x86_64 libpng.x86_64 libselinux.x86_64 libxcb.x86_64 libxml2.x86_64
metacity.x86_64 openssl.x86_64 pango.x86_64 pixman.x86_64 popt.x86_64
startup-notification.x86_64 zlib.x86_64
(gdb) bt
#0  0x00007fae6cdbeee5 in raise (sig=<value optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007fae6cdc0a53 in abort () at abort.c:88
#2  0x00007fae6f3b7a05 in ?? () from /lib64/libdbus-1.so.3
#3  0x00007fae6f3b383d in ?? () from /lib64/libdbus-1.so.3
#4  0x00007fae6f39ddf9 in dbus_connection_send () from /lib64/libdbus-1.so.3
#5  0x00007fae6f397dd2 in dbus_bus_remove_match () from /lib64/libdbus-1.so.3
#6  0x00007fae700a7e10 in ?? () from /usr/lib64/libpolkit-gnome.so.0
#7  0x00007fae6d80e848 in g_object_unref () from /lib64/libgobject-2.0.so.0
#8  0x00007fae700a7ad3 in polkit_gnome_context_get () from
/usr/lib64/libpolkit-gnome.so.0
#9  0x00007fae700a86af in ?? () from /usr/lib64/libpolkit-gnome.so.0
#10 0x00007fae700aa038 in ?? () from /usr/lib64/libpolkit-gnome.so.0
#11 0x00007fae6d812090 in ?? () from /lib64/libgobject-2.0.so.0
#12 0x00007fae700aa0a9 in ?? () from /usr/lib64/libpolkit-gnome.so.0
#13 0x00007fae6d812640 in g_object_newv () from /lib64/libgobject-2.0.so.0
#14 0x00007fae6d8130ab in g_object_new_valist () from /lib64/libgobject-2.0.so.0
#15 0x00007fae6d8132fc in g_object_new () from /lib64/libgobject-2.0.so.0
#16 0x00007fae700a8ae7 in polkit_gnome_action_new_default () from
/usr/lib64/libpolkit-gnome.so.0
#17 0x0000000000410d02 in desktop_init (data=0x196faa0, uris=<value optimized
out>) at appearance-desktop.c:1170
#18 0x0000000000414302 in main (argc=1, argv=0x7fff7a69ad08) at
appearance-main.c:152


Version-Release number of selected component (if applicable):
Rawhide-20080720-tree-x86_64

control-center-2.23.4-4.fc10.x86_64
dbus-libs-1.2.1-6.fc10.x86_64
dbus-glib-0.76-1.fc10.x86_64
dbus-x11-1.2.1-6.fc10.x86_64
dbus-1.2.1-6.fc10.x86_64
atk-1.22.0-1.fc9.x86_64
PolicyKit-gnome-libs-0.8-5.fc10.x86_64
glib2-2.17.3-3.fc10.x86_64

How reproducible:
Always