id summary reporter owner description type status priority component version resolution keywords cc 1 segfault when opening an eventlog MikolajKonarski somebody "Segfault in a dev version of ThreadScope (with spark histogram), when opening a small eventlog file repeatedly. Happens about 1 in 10 times. Ubuntu GNU/Linux with development version of Unity and its exotic gtk theme, other programs warn about assertion failures sometimes, too. {{{ Starting program: /home/mikolaj/repos/ThreadScope/dist/build/threadscope/threadscope +RTS -K83886080 [Thread debugging using libthread_db enabled] [New Thread 0x7fffee6d7700 (LWP 10555)] [New Thread 0x7fffeded6700 (LWP 10556)] [New Thread 0x7fffe4ea2700 (LWP 10619)] [Thread 0x7fffee6d7700 (LWP 10555) exited] [Thread 0x7fffe4ea2700 (LWP 10619) exited] [New Thread 0x7fffe4ea2700 (LWP 16293)] [New Thread 0x7fffee6d7700 (LWP 16294)] [Thread 0x7fffe4ea2700 (LWP 16293) exited] [New Thread 0x7fffe4ea2700 (LWP 16415)] [Thread 0x7fffe4ea2700 (LWP 16415) exited] [New Thread 0x7fffe4ea2700 (LWP 16476)] [Thread 0x7fffe4ea2700 (LWP 16476) exited] [New Thread 0x7fffe4ea2700 (LWP 16517)] [New Thread 0x7fff3bfff700 (LWP 16518)] [Thread 0x7fff3bfff700 (LWP 16518) exited] [Thread 0x7fffee6d7700 (LWP 16294) exited] [New Thread 0x7fffee6d7700 (LWP 16559)] [New Thread 0x7fff3bfff700 (LWP 16560)] [Thread 0x7fff3bfff700 (LWP 16560) exited] [Thread 0x7fffee6d7700 (LWP 16559) exited] [New Thread 0x7fffee6d7700 (LWP 16683)] [New Thread 0x7fff3bfff700 (LWP 16704)] [Thread 0x7fff3bfff700 (LWP 16704) exited] [Thread 0x7fffe4ea2700 (LWP 16517) exited] Program received signal SIGSEGV, Segmentation fault. 0x00007ffff7918f83 in _gtk_rbtree_next (tree=0x15d5860, node=0x31) at /build/buildd/gtk+2.0-2.24.4/gtk/gtkrbtree.c:1287 1287 /build/buildd/gtk+2.0-2.24.4/gtk/gtkrbtree.c: No such file or directory. in /build/buildd/gtk+2.0-2.24.4/gtk/gtkrbtree.c (gdb) where #0 0x00007ffff7918f83 in _gtk_rbtree_next (tree=0x15d5860, node=0x31) at /build/buildd/gtk+2.0-2.24.4/gtk/gtkrbtree.c:1287 #1 0x00007ffff79cb608 in gtk_tree_view_bin_expose (widget=0x13663e0, event=0x7fffffff9940) at /build/buildd/gtk+2.0-2.24.4/gtk/gtktreeview.c:5020 #2 0x00007ffff79cc665 in gtk_tree_view_expose (widget=0x13663e0, event=0x7fffffff9940) at /build/buildd/gtk+2.0-2.24.4/gtk/gtktreeview.c:5091 #3 0x00007ffff78d1578 in _gtk_marshal_BOOLEAN__BOXED (closure=0x12b4840, return_value=0x7fffffff95e0, n_param_values=, param_values=0x1510100, invocation_hint=, marshal_data=) at /build/buildd/gtk+2.0-2.24.4/gtk/gtkmarshalers.c:86 #4 0x00007ffff5a9f81c in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #5 0x00007ffff5ab0e1f in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #6 0x00007ffff5ab9fa9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #7 0x00007ffff5aba41f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #8 0x00007ffff79ed4d1 in gtk_widget_event_internal (widget=0x13663e0, event=0x7fffffff9940) at /build/buildd/gtk+2.0-2.24.4/gtk/gtkwidget.c:4988 #9 0x00007ffff78cfd9d in IA__gtk_main_do_event (event=0x7fffffff9940) at /build/buildd/gtk+2.0-2.24.4/gtk/gtkmain.c:1610 #10 0x00007ffff75297dc in _gdk_window_process_updates_recurse (window=0x14cbea0, expose_region=0x13020c0) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5429 #11 0x00007ffff752978b in _gdk_window_process_updates_recurse (window=0x154bd80, expose_region=0x7fffe8041c30) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5402 #12 0x00007ffff752978b in _gdk_window_process_updates_recurse (window=0x12ad6c0, expose_region=0x7fffe8037e10) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5402 #13 0x00007ffff752473b in gdk_window_process_updates_internal (window=0x12ad6c0) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5588 #14 0x00007ffff7526929 in IA__gdk_window_process_all_updates () at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5696 #15 0x00007ffff7526999 in gdk_window_update_idle (data=) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5322 #16 0x00007ffff7503c46 in gdk_threads_dispatch (data=0x7fffe805af00) at /build/buildd/gtk+2.0-2.24.4/gdk/gdk.c:512 #17 0x00007ffff51d3bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #18 0x00007ffff51d43a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #19 0x00007ffff51d49f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #20 0x00007ffff78ceaf7 in IA__gtk_main () at /build/buildd/gtk+2.0-2.24.4/gtk/gtkmain.c:1257 #21 0x000000000042b7f5 in sRLj_info () #22 0x0000000000000000 in ?? () (gdb) bt full #0 0x00007ffff7918f83 in _gtk_rbtree_next (tree=0x15d5860, node=0x31) at /build/buildd/gtk+2.0-2.24.4/gtk/gtkrbtree.c:1287 __PRETTY_FUNCTION__ = ""_gtk_rbtree_next"" #1 0x00007ffff79cb608 in gtk_tree_view_bin_expose (widget=0x13663e0, event=0x7fffffff9940) at /build/buildd/gtk+2.0-2.24.4/gtk/gtktreeview.c:5020 done = 0 parity = 1 is_separator = is_first = is_last = tree_view = 0x13663e0 path = tree = 0x15d5860 list = node = 0x14fe840 cursor = 0x7fffe8041cc0 cursor_tree = 0x15d5860 drag_highlight = 0x0 drag_highlight_tree = 0x0 iter = {stamp = -85632914, user_data = 0x2, user_data2 = 0x200000000, user_data3 = 0x2} y_offset = 46 cell_offset = max_height = 23 depth = 1 background_area = {x = 0, y = 23, width = 178, height = 23} cell_area = {x = 12, y = 23, width = 165, height = 23} flags = 0 highlight_x = expander_cell_width = bin_window_width = 178 bin_window_height = cursor_path = drag_dest_path = first_column = 0x13c1260 last_column = 0x13c1260 vertical_separator = 0 horizontal_separator = 2 focus_line_width = allow_rules = 1 has_special_cell = 1 rtl = n_visible_columns = pointer_x = 1 pointer_y = 4 grid_line_width = 492 got_pointer = 0 row_ending_details = 0 draw_vgrid_lines = 0 draw_hgrid_lines = 0 __PRETTY_FUNCTION__ = ""gtk_tree_view_bin_expose"" #2 0x00007ffff79cc665 in gtk_tree_view_expose (widget=0x13663e0, event=0x7fffffff9940) at /build/buildd/gtk+2.0-2.24.4/gtk/gtktreeview.c:5091 retval = tmp_list = tree_view = 0x13663e0 #3 0x00007ffff78d1578 in _gtk_marshal_BOOLEAN__BOXED (closure=0x12b4840, return_value=0x7fffffff95e0, n_param_values=, param_values=0x1510100, invocation_hint=, marshal_data=) at /build/buildd/gtk+2.0-2.24.4/gtk/gtkmarshalers.c:86 callback = 0x7ffff79cc580 cc = 0x12b4840 data1 = 0x13663e0 data2 = v_return = ---Type to continue, or q to quit--- __PRETTY_FUNCTION__ = ""_gtk_marshal_BOOLEAN__BOXED"" #4 0x00007ffff5a9f81c in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #5 0x00007ffff5ab0e1f in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0x00007ffff5ab9fa9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #7 0x00007ffff5aba41f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #8 0x00007ffff79ed4d1 in gtk_widget_event_internal (widget=0x13663e0, event=0x7fffffff9940) at /build/buildd/gtk+2.0-2.24.4/gtk/gtkwidget.c:4988 signal_num = return_val = 0 #9 0x00007ffff78cfd9d in IA__gtk_main_do_event (event=0x7fffffff9940) at /build/buildd/gtk+2.0-2.24.4/gtk/gtkmain.c:1610 event_widget = 0x13663e0 grab_widget = 0x13663e0 window_group = 0x13d0ea0 rewritten_event = tmp_list = __PRETTY_FUNCTION__ = ""IA__gtk_main_do_event"" #10 0x00007ffff75297dc in _gdk_window_process_updates_recurse (window=0x14cbea0, expose_region=0x13020c0) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5429 event = {type = GDK_EXPOSE, any = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000'}, expose = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', area = {x = 0, y = 0, width = 178, height = 510}, region = 0x13020c0, count = 0}, no_expose = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000'}, visibility = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', state = GDK_VISIBILITY_UNOBSCURED}, motion = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', time = 0, x = 3.7771525079181847e-312, y = 2.5197347937903574e-321, axes = 0x13020c0, state = 0, is_hint = 32767, device = 0x3a00000001, x_root = 6.9533359274326163e-310, y_root = 1.1032857409000708e-316}, button = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', time = 0, x = 3.7771525079181847e-312, y = 2.5197347937903574e-321, axes = 0x13020c0, state = 0, button = 32767, device = 0x3a00000001, x_root = 6.9533359274326163e-310, y_root = 1.1032857409000708e-316}, scroll = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', time = 0, x = 3.7771525079181847e-312, y = 2.5197347937903574e-321, state = 19931328, direction = GDK_SCROLL_UP, device = 0x7fff00000000, x_root = 1.2307575587647986e-312, y_root = 6.9533359274326163e-310}, key = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', time = 0, state = 0, keyval = 178, length = 510, string = 0x13020c0 ""\002"", hardware_keycode = 0, group = 0 '\000', is_modifier = 0}, crossing = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', subwindow = 0xb200000000, time = 510, x = 9.8473844407937208e-317, y = 6.9531436082559078e-310, x_root = 1.2307575587647986e-312, y_root = 6.9533359274326163e-310, mode = 22330752, detail = GDK_NOTIFY_ANCESTOR, focus = -402243552, state = 32767}, focus_change = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', in = 0}, configure = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', x = 0, y = 0, width = 178, height = 510}, property = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', atom = 0xb200000000, time = 510, state = 0}, selection = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', selection = 0xb200000000, target = 0x1fe, property = 0x13020c0, time = 0, requestor = 32767}, owner_change = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', owner = 0, reason = GDK_OWNER_CHANGE_NEW_OWNER, selection = 0x1fe, time = 19931328, selection_time = 0}, proximity = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', time = 0, device = 0xb200000000}, client = { type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', message_type = 0xb200000000, data_format = 510, data = {b = ""\300 0\001\000\000\000\000\000\000\000\000\377\177\000\000\001\000\000"", s = {8384, 304, 0, 0, 0, 0, 32767, 0, 1, 0}, l = {19931328, 140733193388032, 249108103169, 140737085971504, 22330752}}}, dnd = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', context = 0xb200000000, time = 510, x_root = 0, y_root = 0}, window_state = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', changed_mask = 0, new_window_state = 0}, setting = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', action = GDK_SETTING_ACTION_NEW, name = 0xb200000000
}, grab_broken = {type = GDK_EXPOSE, window = 0x14cbea0, send_event = 0 '\000', keyboard = 0, implicit = 0, grab_window = 0x1fe}} private = 0x14cbea0 child = child_region = r = {x = 510, y = 0, width = 0, height = 0} l = children = 0x0 #11 0x00007ffff752978b in _gdk_window_process_updates_recurse (window=0x154bd80, expose_region=0x7fffe8041c30) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5402 private = 0x154bd80 child = 0x14cbea0 child_region = 0x13020c0 r = {x = 0, y = 0, width = 178, height = 510} l = 0x7fffe8064020 children = 0x7fffe8064020 #12 0x00007ffff752978b in _gdk_window_process_updates_recurse (window=0x12ad6c0, expose_region=0x7fffe8037e10) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5402 private = 0x12ad6c0 child = 0x154bd80 child_region = 0x7fffe8041c30 r = {x = 2, y = 67, width = 178, height = 510} l = 0x7fffe8054240 children = 0x1600f80 #13 0x00007ffff752473b in gdk_window_process_updates_internal (window=0x12ad6c0) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5588 expose_region = 0x7fffe8037e10 update_area = 0x13ef660 ---Type to continue, or q to quit--- private = 0x12ad6c0 impl_iface = save_region = 0 clip_box = {x = 2, y = 67, width = 178, height = 510} #14 0x00007ffff7526929 in IA__gdk_window_process_all_updates () at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5696 private = 0x12ad6c0 old_update_windows = 0x7fffe803e750 tmp_list = 0x7fffe803e750 in_process_all_updates = 1 got_recursive_update = 0 #15 0x00007ffff7526999 in gdk_window_update_idle (data=) at /build/buildd/gtk+2.0-2.24.4/gdk/gdkwindow.c:5322 No locals. #16 0x00007ffff7503c46 in gdk_threads_dispatch (data=0x7fffe805af00) at /build/buildd/gtk+2.0-2.24.4/gdk/gdk.c:512 dispatch = 0x7fffe805af00 ret = 0 #17 0x00007ffff51d3bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #18 0x00007ffff51d43a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #19 0x00007ffff51d49f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #20 0x00007ffff78ceaf7 in IA__gtk_main () at /build/buildd/gtk+2.0-2.24.4/gtk/gtkmain.c:1257 tmp_list = functions = 0x0 init = loop = 0x14dd7d0 #21 0x000000000042b7f5 in sRLj_info () No symbol table info available. #22 0x0000000000000000 in ?? () No symbol table info available. (gdb) }}} Possibly related error messages from ~/.xsession-errors: {{{ ** (:1900): DEBUG: MaximizeIfBigEnough: window mapped and already maximized, just undecorate ** (:1900): WARNING **: Unable to fetch children: Method ""Children"" with signature """" on interface ""org.ayatana.bamf.view"" doesn't exist ** (:1900): WARNING **: Unable to fetch children: Method ""Children"" with signature """" on interface ""org.ayatana.bamf.view"" doesn't exist (nautilus:1909): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed ** (:1900): WARNING **: Unable to fetch children: Method ""Children"" with signature """" on interface ""org.ayatana.bamf.view"" doesn't exist ** (:1900): WARNING **: Unable to fetch children: Method ""Children"" with signature """" on interface ""org.ayatana.bamf.view"" doesn't exist ** (:1900): DEBUG: MaximizeIfBigEnough: Threadscope window size doesn't fit (:1900): GLib-GObject-WARNING **: instance with invalid (NULL) class pointer (:1900): GLib-GObject-CRITICAL **: g_signal_handler_disconnect: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed (:1900): GLib-GObject-WARNING **: instance of invalid non-instantiatable type `(null)' (:1900): GLib-GObject-CRITICAL **: g_signal_handler_disconnect: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed (:1900): GLib-GObject-WARNING **: instance of invalid non-instantiatable type `(null)' (:1900): GLib-GObject-CRITICAL **: g_signal_handler_disconnect: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed (:1900): GLib-GObject-WARNING **: instance of invalid non-instantiatable type `(null)' (:1900): GLib-GObject-CRITICAL **: g_signal_handler_disconnect: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed (:1900): GLib-GObject-WARNING **: instance of invalid non-instantiatable type `(null)' (:1900): GLib-GObject-CRITICAL **: g_signal_handler_disconnect: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed }}} " defect new major ThreadScope