i installed the debug packages and did some tracing. a backtrace of the hung nautilus: #0 0xffffe410 in __kernel_vsyscall () #1 0xb7c0501e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb766371d in giop_recv_buffer_get () from /usr/lib/libORBit-2.so.0 #3 0xb7666fa6 in ORBit_small_invoke_stub () from /usr/lib/libORBit-2.so.0 #4 0xb7666e7d in ORBit_small_invoke_stub_n () from /usr/lib/libORBit-2.so.0 #5 0xb767a076 in ORBit_c_stub_invoke () from /usr/lib/libORBit-2.so.0 #6 0xb76a547d in Bonobo_ActivationContext_activateMatchingFull () from /usr/lib/libbonobo-activation.so.4 #7 0xb76a72da in bonobo_activation_activate () from /usr/lib/libbonobo-activation.so.4 #8 0xb76a75ef in bonobo_activation_activate_from_id () from /usr/lib/libbonobo-activation.so.4 #9 0xb775d50e in activate_daemon (client=0x817a810) at gnome-vfs-client.c:213 #10 0xb775d69c in _gnome_vfs_client_get_daemon (client=0x817a810) at gnome-vfs-client.c:260 #11 0xb777ecf0 in gnome_vfs_volume_monitor_client_class_init (class=0x81638e8) at gnome-vfs-volume-monitor-client.c:83 #12 0xb77b6dd0 in g_type_free_instance () from /usr/lib/libgobject-2.0.so.0 #13 0xb77b8108 in g_type_class_ref () from /usr/lib/libgobject-2.0.so.0 #14 0xb77a3eff in g_object_newv () from /usr/lib/libgobject-2.0.so.0 #15 0xb77a4243 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #16 0xb77a37d8 in g_object_new () from /usr/lib/libgobject-2.0.so.0 #17 0xb777f7cd in _gnome_vfs_get_volume_monitor_internal (create=1) at gnome-vfs-volume-monitor.c:250 #18 0xb777f81a in gnome_vfs_get_volume_monitor () at gnome-vfs-volume-monitor.c:277 #19 0x0806741e in nautilus_application_instance_init (application=0x8162ee8) at nautilus-application.c:164 #20 0xb77b60e5 in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0 #21 0xb77a4299 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #22 0xb7707bf3 in bonobo_object_query_local_interface () from /usr/lib/libbonobo-2.so.0 #23 0xb77a3ac2 in g_object_newv () from /usr/lib/libgobject-2.0.so.0 #24 0xb77a4243 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #25 0xb77a37d8 in g_object_new () from /usr/lib/libgobject-2.0.so.0 #26 0x080674e4 in nautilus_application_new () at nautilus-application.c:192 #27 0x080776bd in main (argc=2, argv=0xbffff8e4) at nautilus-main.c:318 and of gnome-panel (seems to be the same place): #0 0xffffe410 in __kernel_vsyscall () #1 0xb78bd01e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb772271d in giop_recv_buffer_get () from /usr/lib/libORBit-2.so.0 #3 0xb7725fa6 in ORBit_small_invoke_stub () from /usr/lib/libORBit-2.so.0 #4 0xb7725e7d in ORBit_small_invoke_stub_n () from /usr/lib/libORBit-2.so.0 #5 0xb7739076 in ORBit_c_stub_invoke () from /usr/lib/libORBit-2.so.0 #6 0xb7c9a47d in Bonobo_ActivationContext_activateMatchingFull () from /usr/lib/libbonobo-activation.so.4 #7 0xb7c9c2da in bonobo_activation_activate () from /usr/lib/libbonobo-activation.so.4 #8 0xb7c9c5ef in bonobo_activation_activate_from_id () from /usr/lib/libbonobo-activation.so.4 #9 0xb7d1f50e in activate_daemon (client=0x8236150) at gnome-vfs-client.c:213 #10 0xb7d1f69c in _gnome_vfs_client_get_daemon (client=0x8236150) at gnome-vfs-client.c:260 #11 0xb7d40cf0 in gnome_vfs_volume_monitor_client_class_init (class=0x8235898) at gnome-vfs-volume-monitor-client.c:83 #12 0xb77acdd0 in g_type_free_instance () from /usr/lib/libgobject-2.0.so.0 #13 0xb77ae108 in g_type_class_ref () from /usr/lib/libgobject-2.0.so.0 #14 0xb7799eff in g_object_newv () from /usr/lib/libgobject-2.0.so.0 #15 0xb779a243 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #16 0xb77997d8 in g_object_new () from /usr/lib/libgobject-2.0.so.0 #17 0xb7d417cd in _gnome_vfs_get_volume_monitor_internal (create=1) at gnome-vfs-volume-monitor.c:250 #18 0xb7d4181a in gnome_vfs_get_volume_monitor () at gnome-vfs-volume-monitor.c:277 #19 0x08086d9e in panel_menu_bar_instance_init (menubar=0x8233428, klass=0x814f0c8) at panel-menu-bar.c:693 #20 0xb77ac0e5 in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0 #21 0xb779a299 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #22 0xb7799ac2 in g_object_newv () from /usr/lib/libgobject-2.0.so.0 #23 0xb779a243 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #24 0xb77997d8 in g_object_new () from /usr/lib/libgobject-2.0.so.0 #25 0x08087114 in panel_menu_bar_load (panel=0x8163e80, locked=1, position=0, exactpos=1, id=0xb77bf708 "$\006\003") at panel-menu-bar.c:867 #26 0x08071126 in panel_applet_load_idle_handler (dummy=0x0) at applet.c:816 #27 0xb766fa83 in g_child_watch_add () from /usr/lib/libglib-2.0.so.0 #28 0xb766cd7a in g_main_depth () from /usr/lib/libglib-2.0.so.0 #29 0xb766dd2e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #30 0xb766e050 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #31 0xb766e59a in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #32 0xb7acb39c in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #33 0x0806378f in main (argc=0, argv=0xbffff8d4) at main.c:93