Attaching the file ... 2012/6/10 Teodor MICU <mteo...@gmail.com>: > By following the gdb example below I've obtained a (different) > backtrace by unplugging the power cord from laptop. This is the > "voluntary" trigger of this bug for me.
Starting program: /usr/bin/gnome-shell --replace --display :0 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffe443a700 (LWP 4411)] [Thread 0x7fffe443a700 (LWP 4411) exited] [New Thread 0x7fffe443a700 (LWP 4412)] [New Thread 0x7fffe3bb9700 (LWP 4414)] [New Thread 0x7fffe31b0700 (LWP 4415)] [New Thread 0x7fffde7a7700 (LWP 4417)] [New Thread 0x7fffddf86700 (LWP 4418)] Window manager warning: Failed to load theme "Wasp": Failed to find a valid file for theme Wasp
[New Thread 0x7fffd7be1700 (LWP 4430)] [New Thread 0x7fffcb84c700 (LWP 4437)] [New Thread 0x7fffc858b700 (LWP 4441)] [New Thread 0x7fffc7d8a700 (LWP 4470)] [New Thread 0x7fffc7589700 (LWP 4471)] [New Thread 0x7fffc6d88700 (LWP 4472)] [New Thread 0x7fffc6587700 (LWP 4473)] [New Thread 0x7fffc5d86700 (LWP 4474)] [New Thread 0x7fffc5585700 (LWP 4475)] [New Thread 0x7fffc4d84700 (LWP 4476)] [New Thread 0x7fffc4583700 (LWP 4477)] Window manager warning: Failed to load theme "Wasp": Failed to find a valid file for theme Wasp [Thread 0x7fffcb84c700 (LWP 4437) exited] [Thread 0x7fffc7589700 (LWP 4471) exited] [Thread 0x7fffc7d8a700 (LWP 4470) exited] [Thread 0x7fffc4d84700 (LWP 4476) exited] [Thread 0x7fffc5585700 (LWP 4475) exited] [Thread 0x7fffd7be1700 (LWP 4430) exited] [Thread 0x7fffc5d86700 (LWP 4474) exited] [Thread 0x7fffc6587700 (LWP 4473) exited] [Thread 0x7fffc4583700 (LWP 4477) exited] [New Thread 0x7fffc4583700 (LWP 4501)] [Thread 0x7fffc4583700 (LWP 4501) exited] Initializing nautilus-gdu extension ** (nautilus:4500): CRITICAL **: nautilus_menu_provider_get_background_items: assertion `NAUTILUS_IS_MENU_PROVIDER (provider)' failed [New Thread 0x7fffc4583700 (LWP 4514)] [New Thread 0x7fffc5d86700 (LWP 4515)] [New Thread 0x7fffc6587700 (LWP 4516)] [New Thread 0x7fffd7be1700 (LWP 4517)] [Thread 0x7fffc5d86700 (LWP 4515) exited] [Thread 0x7fffd7be1700 (LWP 4517) exited] [Thread 0x7fffc6d88700 (LWP 4472) exited] [Thread 0x7fffc6587700 (LWP 4516) exited] [Thread 0x7fffc4583700 (LWP 4514) exited] Shutting down nautilus-gdu extension [New Thread 0x7fffc4583700 (LWP 4767)] [New Thread 0x7fffc6587700 (LWP 4768)] [New Thread 0x7fffc6d88700 (LWP 4769)] [New Thread 0x7fffd7be1700 (LWP 4770)] [New Thread 0x7fffc7d8a700 (LWP 4771)] [New Thread 0x7fffc7589700 (LWP 4772)] [New Thread 0x7fffc5d86700 (LWP 4773)] [New Thread 0x7fffc5585700 (LWP 4774)] [New Thread 0x7fffc4d84700 (LWP 4775)] [New Thread 0x7fffc3d82700 (LWP 4776)] (gnome-shell:4407): GLib-GIO-WARNING **: Dropping signal ActiveSessionChanged of type (s) since the type from the expected interface is (o) (gnome-shell:4407): GLib-GIO-WARNING **: Dropping signal ActiveSessionChanged of type (s) since the type from the expected interface is (o) (gnome-shell:4407): GLib-GIO-WARNING **: Dropping signal ActiveSessionChanged of type (s) since the type from the expected interface is (o) (gnome-shell:4407): GLib-GIO-WARNING **: Dropping signal ActiveSessionChanged of type (s) since the type from the expected interface is (o) (gnome-shell:4407): GLib-GIO-WARNING **: Dropping signal ActiveSessionChanged of type (s) since the type from the expected interface is (o) (gnome-shell:4407): GLib-GIO-WARNING **: Dropping signal ActiveSessionChanged of type (s) since the type from the expected interface is (o) (gnome-shell:4407): GLib-GIO-WARNING **: Dropping signal ActiveSessionChanged of type (s) since the type from the expected interface is (o) [Thread 0x7fffc7589700 (LWP 4772) exited] [Thread 0x7fffc4d84700 (LWP 4775) exited] [Thread 0x7fffc5d86700 (LWP 4773) exited] [Thread 0x7fffc6587700 (LWP 4768) exited] [Thread 0x7fffc6d88700 (LWP 4769) exited] [Thread 0x7fffc5585700 (LWP 4774) exited] [Thread 0x7fffc7d8a700 (LWP 4771) exited] [Thread 0x7fffd7be1700 (LWP 4770) exited] [Thread 0x7fffc3d82700 (LWP 4776) exited] [New Thread 0x7fffc3d82700 (LWP 4780)] [Thread 0x7fffc4583700 (LWP 4767) exited] [Thread 0x7fffc3d82700 (LWP 4780) exited] [New Thread 0x7fffc3d82700 (LWP 4832)] Program received signal SIGSEGV, Segmentation fault. 0x00007fffd1b07070 in unload_new_session (new_session=0x14af990) at act-user-manager.c:965 965 act-user-manager.c: No such file or directory. (gdb) btfu full #0 0x00007fffd1b07070 in unload_new_session (new_session=0x14af990) at act-user-manager.c:965 manager = 0x7fffd804e860 #1 0x00007fffd1b09d40 in on_get_unix_user_finished (object=0x1502c50, result=0x1e0c820, data=0x14af990) at act-user-manager.c:1029 proxy = <optimized out> new_session = 0x14af990 error = 0x1537800 uid = <optimized out> #2 0x00007fffef8b13f7 in g_simple_async_result_complete (simple=0x1e0c820) at /tmp/buildd/glib2.0-2.32.3/./gio/gsimpleasyncresult.c:767 current_source = 0x22be7f0 current_context = 0x6073a0 __PRETTY_FUNCTION__ = "g_simple_async_result_complete" #3 0x00007fffef90977a in reply_cb (connection=<optimized out>, res=<optimized out>, user_data=0x1e0c820) at /tmp/buildd/glib2.0-2.32.3/./gio/gdbusproxy.c:2614 simple = 0x1e0c820 value = <optimized out> error = 0x1537800 fd_list = 0x72b680 #4 0x00007fffef8b13f7 in g_simple_async_result_complete (simple=0x1981ea0) at /tmp/buildd/glib2.0-2.32.3/./gio/gsimpleasyncresult.c:767 current_source = 0x22be7f0 current_context = 0x6073a0 __PRETTY_FUNCTION__ = "g_simple_async_result_complete" #5 0x00007fffef8ffc0e in g_dbus_connection_call_done (source=<optimized out>, result=<optimized out>, user_data=0x7fffd8164b20) at /tmp/buildd/glib2.0-2.32.3/./gio/gdbusconnection.c:5283 simple = 0x1981ea0 connection = <optimized out> state = 0x7fffd8164b20 error = 0x1537800 reply = 0x15e3320 #6 0x00007fffef8b13f7 in g_simple_async_result_complete (simple=0x1e122b0) at /tmp/buildd/glib2.0-2.32.3/./gio/gsimpleasyncresult.c:767 current_source = 0x22be7f0 current_context = 0x6073a0 __PRETTY_FUNCTION__ = "g_simple_async_result_complete" #7 0x00007fffef8b14f9 in complete_in_idle_cb (data=<optimized out>) at /tmp/buildd/glib2.0-2.32.3/./gio/gsimpleasyncresult.c:779 simple = <optimized out> #8 0x00007fffee379205 in g_main_dispatch (context=0x61c110) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:2539 dispatch = 0x7fffee376f20 <g_idle_dispatch> was_in_call = 0 user_data = 0x1e122b0 callback = 0x7fffef8b14f0 <complete_in_idle_cb> cb_funcs = 0x7fffee624980 cb_data = 0x9fe940 current_source_link = {data = 0x22be7f0, next = 0x0} need_destroy = <optimized out> source = 0x22be7f0 current = 0x8ba600 i = <optimized out> #9 g_main_context_dispatch (context=context@entry=0x61c110) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:3075 No locals. #10 0x00007fffee379538 in g_main_context_iterate (context=0x61c110, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:3146 max_priority = 0 timeout = 0 some_ready = 1 nfds = <optimized out> allocated_nfds = <optimized out> fds = 0x16a1880 #11 0x00007fffee379932 in g_main_loop_run (loop=0x61cba0) at /tmp/buildd/glib2.0-2.32.3/./glib/gmain.c:3340 __PRETTY_FUNCTION__ = "g_main_loop_run" #12 0x00007ffff741af37 in meta_run () at core/main.c:555 log_domains = {0x0, 0x7ffff74626fa "mutter", 0x7ffff7461a5b "Gtk", 0x7ffff7461a5f "Gdk", 0x7ffff7461a63 "GLib", 0x7ffff7461a68 "Pango", 0x7ffff7461a6e "GLib-GObject", 0x7ffff7461a7b "GThread"} i = <optimized out> #13 0x0000000000401dc7 in main (argc=1, argv=0x7fffffffe708) at main.c:333 ctx = <optimized out> error = 0x0 session_type = <optimized out> ecode = <optimized out> ---Type <return> to continue, or q <return> to quit--- sender = 0x8bf490 (gdb) q