BTW, I don't know if it's related but I noticed that I can reliably make some applications (so far I only noticed gedit and nautils, which I usually do not use) segfault: gedit (clicking on a just opened file): (gdb) where #0 0xb7d2bfd3 in strlen () from /lib/tls/libc.so.6 #1 0x080a2728 in gnome_print_font_dialog_get_preview () #2 0x080a35bb in egg_recent_model_add_full () #3 0x0807724d in gedit_file_open_from_stdin () #4 0xb7e0f4f3 in g_child_watch_add () from /usr/lib/libglib-2.0.so.0 #5 0xb7e0c4f2 in g_main_depth () from /usr/lib/libglib-2.0.so.0 #6 0xb7e0d568 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #7 0xb7e0d8a0 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #8 0xb7e0de43 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #9 0x4f5c0c83 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #10 0x08060757 in main () nautilus (opening a text file): #0 0xb7db9fd3 in strlen () from /lib/tls/libc.so.6 #1 0x4fd7baa8 in gtk_wrap_box_query_line_lengths () from /usr/lib/libnautilus-private.so.2 #2 0x4fd7c93b in egg_recent_model_add_full () from /usr/lib/libnautilus-private.so.2 #3 0x4fd7cb6a in egg_recent_model_add () from /usr/lib/libnautilus-private.so.2 #4 0x080ab25c in fm_directory_view_notify_selection_changed () #5 0x4fd22e33 in nautilus_directory_add_file_monitors () from /usr/lib/libnautilus-private.so.2 #6 0x4fd240bc in nautilus_async_destroying_file () from /usr/lib/libnautilus-private.so.2 #7 0x4fd26f07 in nautilus_directory_async_state_changed () from /usr/lib/libnautilus-private.so.2 #8 0x4fd2300f in nautilus_directory_call_when_ready_internal () from /usr/lib/libnautilus-private.so.2 #9 0x4fd76069 in nautilus_vfs_file_get_type () from /usr/lib/libnautilus-private.so.2 #10 0x4fd45c3b in nautilus_file_call_when_ready () from /usr/lib/libnautilus-private.so.2 #11 0x080ab721 in fm_directory_view_notify_selection_changed () #12 0x080ab85c in fm_directory_view_activate_files () #13 0x080b4e5c in fm_icon_view_get_type () #14 0xb7f84b53 in g_cclosure_marshal_VOID__POINTER () from /usr/lib/libgobject-2.0.so.0 #15 0xb7f72686 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #16 0xb7f83d1f in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0 #17 0xb7f82dec in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #18 0xb7f83076 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #19 0x4fd57d4a in nautilus_icon_container_for_each () from /usr/lib/libnautilus-private.so.2 #20 0x4fd574ee in nautilus_icon_container_flush_typeselect_state () from /usr/lib/libnautilus-private.so.2 #21 0x4fd575d0 in nautilus_icon_container_flush_typeselect_state () from /usr/lib/libnautilus-private.so.2 #22 0x4fc3e034 in eel_marshal_BOOLEAN__BOXED () from /usr/lib/libeel-2.so.2 #23 0xb7f72686 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #24 0xb7f83d1f in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0 #25 0xb7f82bdc in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #26 0xb7f83076 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #27 0x4fc1aafc in eel_canvas_new () from /usr/lib/libeel-2.so.2 #28 0x4fc1b102 in eel_canvas_new () from /usr/lib/libeel-2.so.2 #29 0x4fd54b2c in nautilus_icon_container_move_icon () from /usr/lib/libnautilus-private.so.2 #30 0x4f5c40d4 in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib/libgtk-x11-2.0.so.0 #31 0xb7f72919 in g_cclosure_new_swap () from /usr/lib/libgobject-2.0.so.0 #32 0xb7f72686 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #33 0xb7f837a5 in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0 #34 0xb7f82bdc in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #35 0xb7f83076 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #36 0x4f6c2f67 in gtk_widget_send_expose () from /usr/lib/libgtk-x11-2.0.so.0 #37 0x4f5c2672 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0 #38 0x4f5c13c6 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 #39 0x4f4611a5 in _gdk_events_queue () from /usr/lib/libgdk-x11-2.0.so.0 #40 0xb7e9a4f2 in g_main_depth () from /usr/lib/libglib-2.0.so.0 #41 0xb7e9b568 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #42 0xb7e9b8a0 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #43 0xb7e9be43 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #44 0x4f5c0c83 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #45 0x08077c2a in main () -- ciao, Marco