. Thread 3 (Thread 0xb36ffb70 (LWP 6652)): #0 0x00f59416 in __kernel_vsyscall () No symbol table info available. #1 0x00c6240e in __GI___poll (fds=0x221e1100, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = -516 result = #2 0x00ad034b in g_poll (fds=0x221e1100, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.30.0/./glib/gpoll.c:132 No locals. #3 0x00ac1896 in g_main_context_poll (n_fds=1, fds=0x221e1100, timeout=, context=0x221ea130, priority=) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402 poll_func = 0xad0320 #4 g_main_context_iterate (context=0x221ea130, block=11338528, dispatch=1, self=) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084 max_priority = 2147483647 timeout = -1 some_ready = nfds = 1 allocated_nfds = fds = 0x221e1100 #5 0x00ac1f9b in g_main_loop_run (loop=0x221e46c8) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297 __PRETTY_FUNCTION__ = "g_main_loop_run" #6 0x2005e194 in dconf_context_thread (data=0x221ea130) at dconfcontext.c:11 context = 0x221ea130 loop = __PRETTY_FUNCTION__ = "dconf_context_thread" #7 0x00ae85f4 in g_thread_create_proxy (data=0x221ea1c0) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962 thread = 0x221ea1c0 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #8 0x00299d31 in start_thread (arg=0xb36ffb70) at pthread_create.c:304 __res = pd = 0xb36ffb70 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {2797556, 0, 4001536, -1284508904, 1169354075, -915632579}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = robust = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #9 0x00c710ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 No locals. Backtrace stopped: Not enough registers or memory available to unwind further . Thread 2 (Thread 0xb4079b70 (LWP 6650)): #0 0x00f59416 in __kernel_vsyscall () No symbol table info available. #1 0x00c6240e in __GI___poll (fds=0xb3700d90, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = -516 result = #2 0x00ad034b in g_poll (fds=0xb3700d90, nfds=5, timeout=-1) at /build/buildd/glib2.0-2.30.0/./glib/gpoll.c:132 No locals. #3 0x00ac1896 in g_main_context_poll (n_fds=5, fds=0xb3700d90, timeout=, context=0x2214d970, priority=) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402 poll_func = 0xad0320 #4 g_main_context_iterate (context=0x2214d970, block=11338528, dispatch=1, self=) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084 max_priority = 2147483647 timeout = -1 some_ready = nfds = 5 allocated_nfds = fds = 0xb3700d90 #5 0x00ac1f9b in g_main_loop_run (loop=0x2214d900) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297 __PRETTY_FUNCTION__ = "g_main_loop_run" #6 0x008dccea in gdbus_shared_thread_func (user_data=0x2214d958) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:276 data = 0x2214d958 #7 0x00ae85f4 in g_thread_create_proxy (data=0x2214f148) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962 thread = 0x2214f148 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #8 0x00299d31 in start_thread (arg=0xb4079b70) at pthread_create.c:304 __res = pd = 0xb4079b70 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {2797556, 0, 4001536, -1274572008, -1787630251, -915632579}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = robust = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #9 0x00c710ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 No locals. Backtrace stopped: Not enough registers or memory available to unwind further . Thread 1 (Thread 0xb774d840 (LWP 6647)): #0 um_user_set_icon_file (user=0x0, icon_file=0x0) at um-user.c:868 error = 0x0 #1 0x17e25bf6 in none_icon_selected (menuitem=0x2229fa00, um=0x22278af0) at um-photo-dialog.c:249 No locals. #2 0x0025214c in g_cclosure_marshal_VOID__VOID (closure=0x22290f80, return_value=0x0, n_param_values=1, param_values=0x223a59c0, invocation_hint=0xbfebbd60, marshal_data=0x0) at /build/buildd/glib2.0-2.30.0/./gobject/gmarshal.c:85 callback = 0x17e25bd0 cc = 0x22290f80 data1 = 0x2229fa00 data2 = __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__VOID" #3 0x00250c3c in g_closure_invoke (closure=0x22290f80, return_value=0x0, n_param_values=1, param_values=0x223a59c0, invocation_hint=0xbfebbd60) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 marshal = 0x2520c0 marshal_data = 0x0 in_marshal = 0 __PRETTY_FUNCTION__ = "g_closure_invoke" #4 0x002639f0 in signal_emit_unlocked_R (node=0x21f62780, detail=0, instance=0x2229fa00, emission_return=0x0, instance_and_params=0x223a59c0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3272 tmp = handler = 0x2229bf60 accumulator = 0x0 emission = {next = 0xbfebc168, instance = 0x2229fa00, ihint = {signal_id = 77, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} class_closure = 0x21f62730 hlist = 0x0 handler_list = 0x2229bf60 return_accu = 0x0 accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}} signal_id = 77 max_sequential_handler_number = 1608 return_value_altered = 1 #5 0x0026c787 in g_signal_emit_valist (instance=0x2229fa00, signal_id=77, detail=0, var_args=0xbfebbf1c "\220\016\337") at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003 instance_and_params = 0x223a59c0 signal_return_type = 4 param_values = 0x223a59d4 node = 0x21f62780 i = n_params = 0 __PRETTY_FUNCTION__ = "g_signal_emit_valist" #6 0x0026c8f3 in g_signal_emit (instance=0x2229fa00, signal_id=77, detail=0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 var_args = 0xbfebbf1c "\220\016\337" #7 0x005df605 in gtk_widget_event_internal (widget=0x2229fa00, event=0x21f62248) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkwidget.c:6076 signal_num = 32 return_val = 4867782 #8 0x004a7e1c in gtk_real_menu_shell_deactivate (menu_shell=0x223383f0) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmenushell.c:1291 priv = 0x22275260 #9 0x00000000 in ?? () No symbol table info available.