it seems to happen in the same place. here are the backtraces for gnome-panel, nautilus and gnome-vfs-daemon. gnome-panel: #0 0xffffe410 in __kernel_vsyscall () #1 0xb78bf00e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb772471d in giop_recv_buffer_get () from /usr/lib/libORBit-2.so.0 #3 0xb7727fa6 in ORBit_small_invoke_stub () from /usr/lib/libORBit-2.so.0 #4 0xb7727e7d in ORBit_small_invoke_stub_n () from /usr/lib/libORBit-2.so.0 #5 0xb773b076 in ORBit_c_stub_invoke () from /usr/lib/libORBit-2.so.0 #6 0xb7d182fc in GNOME_VFS_Daemon_registerVolumeMonitor (_obj=0xfffffffc, client=0x8236f08, ev=0xfffffffc) at GNOME_VFS_Daemon-stubs.c:414 #7 0xb7d4265c in gnome_vfs_volume_monitor_client_class_init (class=0x8236590) at gnome-vfs-volume-monitor-client.c:87 #8 0xb77aedd0 in g_type_free_instance () from /usr/lib/libgobject-2.0.so.0 #9 0xb77b0108 in g_type_class_ref () from /usr/lib/libgobject-2.0.so.0 #10 0xb779beff in g_object_newv () from /usr/lib/libgobject-2.0.so.0 #11 0xb779c243 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #12 0xb779b7d8 in g_object_new () from /usr/lib/libgobject-2.0.so.0 #13 0xb7d430f1 in _gnome_vfs_get_volume_monitor_internal (create=1) at gnome-vfs-volume-monitor.c:250 #14 0xb7d4313e in gnome_vfs_get_volume_monitor () at gnome-vfs-volume-monitor.c:277 #15 0x08087309 in panel_menu_bar_instance_init (menubar=0x8234120, klass=0x814f6d0) at panel-menu-bar.c:693 #16 0xb77ae0e5 in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0 #17 0xb779c299 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #18 0xb779bac2 in g_object_newv () from /usr/lib/libgobject-2.0.so.0 #19 0xb779c243 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #20 0xb779b7d8 in g_object_new () from /usr/lib/libgobject-2.0.so.0 #21 0x080876bd in panel_menu_bar_load (panel=0x8164488, locked=1, position=0, exactpos=1, id=0xb77c1708 "$\006\003") at panel-menu-bar.c:878 #22 0x0807134b in panel_applet_load_idle_handler (dummy=0x0) at applet.c:834 #23 0xb7671a83 in g_child_watch_add () from /usr/lib/libglib-2.0.so.0 #24 0xb766ed7a in g_main_depth () from /usr/lib/libglib-2.0.so.0 #25 0xb766fd2e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #26 0xb7670050 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #27 0xb767059a in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #28 0xb7acd39c in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #29 0x0806384f in main (argc=2, argv=0xbffffc24) at main.c:93 gnome-vfs-daemon: #0 0xffffe410 in __kernel_vsyscall () #1 0xb7a8d20b in __lll_mutex_lock_wait () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7a8a690 in _L_mutex_lock_26 () from /lib/tls/i686/cmov/libpthread.so.0 #3 0x08065f90 in ?? () #4 0x080b0d9c in ?? () #5 0x00000000 in ?? () #6 0xbfffed68 in ?? () #7 0xb7fd4b8c in __JCR_LIST__ () from /usr/lib/libgnomevfs-2.so.0 #8 0xbfffeec0 in ?? () #9 0xbfffed78 in ?? () #10 0xb7fbc067 in _gnome_vfs_get_volume_monitor_internal (create=-1208132224) at gnome-vfs-volume-monitor.c:244 #11 0xb7fbc067 in _gnome_vfs_get_volume_monitor_internal (create=1) at gnome-vfs-volume-monitor.c:244 #12 0xb7fbc13e in gnome_vfs_get_volume_monitor () at gnome-vfs-volume-monitor.c:277 #13 0x0804e9f6 in gnome_vfs_daemon_get_type () #14 0x08050fbe in _ORBIT_skel_small_GNOME_VFS_Daemon_registerVolumeMonitor () #15 0xb7eada3a in ORBit_POA_setup_root () from /usr/lib/libORBit-2.so.0 #16 0xb7eb2527 in ORBit_OAObject_invoke () from /usr/lib/libORBit-2.so.0 #17 0xb7e9e22f in ORBit_small_invoke_adaptor () from /usr/lib/libORBit-2.so.0 #18 0xb7eaddc6 in ORBit_recv_buffer_return_sys_exception () from /usr/lib/libORBit-2.so.0 #19 0xb7eae1b4 in ORBit_recv_buffer_return_sys_exception () from /usr/lib/libORBit-2.so.0 #20 0xb7e989fa in giop_thread_queue_process () from /usr/lib/libORBit-2.so.0 #21 0xb7e9a72f in giop_recv_buffer_get () from /usr/lib/libORBit-2.so.0 #22 0xb7e9dfa6 in ORBit_small_invoke_stub () from /usr/lib/libORBit-2.so.0 #23 0xb7e9de7d in ORBit_small_invoke_stub_n () from /usr/lib/libORBit-2.so.0 #24 0xb7eb1076 in ORBit_c_stub_invoke () from /usr/lib/libORBit-2.so.0 #25 0xb7f6df7a in ConfigDatabase_all_dirs () from /usr/lib/libgconf-2.so.4 #26 0xb7f6320c in gconf_engine_all_dirs () from /usr/lib/libgconf-2.so.4 #27 0xb7f674dd in gconf_client_clear_cache () from /usr/lib/libgconf-2.so.4 #28 0xb7f66c62 in gconf_client_add_dir () from /usr/lib/libgconf-2.so.4 #29 0x08053e7b in gnome_vfs_volume_monitor_daemon_get_type () #30 0xb7e620e5 in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0 #31 0xb7e50299 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #32 0xb7e4fac2 in g_object_newv () from /usr/lib/libgobject-2.0.so.0 #33 0xb7e50243 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #34 0xb7e4f7d8 in g_object_new () from /usr/lib/libgobject-2.0.so.0 #35 0xb7fbc0f1 in _gnome_vfs_get_volume_monitor_internal (create=1) at gnome-vfs-volume-monitor.c:250 #36 0xb7fbc13e in gnome_vfs_get_volume_monitor () at gnome-vfs-volume-monitor.c:277 #37 0x0804e9f6 in gnome_vfs_daemon_get_type () #38 0x08050fbe in _ORBIT_skel_small_GNOME_VFS_Daemon_registerVolumeMonitor () #39 0xb7eada3a in ORBit_POA_setup_root () from /usr/lib/libORBit-2.so.0 #40 0xb7eb2527 in ORBit_OAObject_invoke () from /usr/lib/libORBit-2.so.0 #41 0xb7e9e22f in ORBit_small_invoke_adaptor () from /usr/lib/libORBit-2.so.0 #42 0xb7eaddc6 in ORBit_recv_buffer_return_sys_exception () from /usr/lib/libORBit-2.so.0 #43 0xb7eae1b4 in ORBit_recv_buffer_return_sys_exception () from /usr/lib/libORBit-2.so.0 #44 0xb7e989fa in giop_thread_queue_process () from /usr/lib/libORBit-2.so.0 #45 0xb7e98144 in giop_thread_same_key () from /usr/lib/libORBit-2.so.0 #46 0xb7ebac51 in link_servers_move_io_T () from /usr/lib/libORBit-2.so.0 #47 0xb7dded7a in g_main_depth () from /usr/lib/libglib-2.0.so.0 #48 0xb7ddfd2e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #49 0xb7de0050 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #50 0xb7de059a in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #51 0xb7f0bd2f in bonobo_main () from /usr/lib/libbonobo-2.so.0 #52 0x0804f429 in main () nautilus: #0 0xffffe410 in __kernel_vsyscall () #1 0xb7c0100e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb765f71d in giop_recv_buffer_get () from /usr/lib/libORBit-2.so.0 #3 0xb7662fa6 in ORBit_small_invoke_stub () from /usr/lib/libORBit-2.so.0 #4 0xb7662e7d in ORBit_small_invoke_stub_n () from /usr/lib/libORBit-2.so.0 #5 0xb7676076 in ORBit_c_stub_invoke () from /usr/lib/libORBit-2.so.0 #6 0xb77502fc in GNOME_VFS_Daemon_registerVolumeMonitor (_obj=0xfffffffc, client=0x8172d10, ev=0xfffffffc) at GNOME_VFS_Daemon-stubs.c:414 #7 0xb777a65c in gnome_vfs_volume_monitor_client_class_init (class=0x8174eb0) at gnome-vfs-volume-monitor-client.c:87 #8 0xb77b3dd0 in g_type_free_instance () from /usr/lib/libgobject-2.0.so.0 #9 0xb77b5108 in g_type_class_ref () from /usr/lib/libgobject-2.0.so.0 #10 0xb77a0eff in g_object_newv () from /usr/lib/libgobject-2.0.so.0 #11 0xb77a1243 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #12 0xb77a07d8 in g_object_new () from /usr/lib/libgobject-2.0.so.0 #13 0xb777b0f1 in _gnome_vfs_get_volume_monitor_internal (create=1) at gnome-vfs-volume-monitor.c:250 #14 0xb777b13e in gnome_vfs_get_volume_monitor () at gnome-vfs-volume-monitor.c:277 #15 0x0806741e in nautilus_application_instance_init (application=0x81749b0) at nautilus-application.c:164 #16 0xb77b30e5 in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0 #17 0xb77a1299 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #18 0xb7703bf3 in bonobo_object_query_local_interface () from /usr/lib/libbonobo-2.so.0 #19 0xb77a0ac2 in g_object_newv () from /usr/lib/libgobject-2.0.so.0 #20 0xb77a1243 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 #21 0xb77a07d8 in g_object_new () from /usr/lib/libgobject-2.0.so.0 #22 0x080674e4 in nautilus_application_new () at nautilus-application.c:192 #23 0x080776bd in main (argc=4, argv=0xbffffc14) at nautilus-main.c:318