-bash-4.4$ coredumpctl gdb 8917 PID: 8917 (xfce4-panel) UID: 1000 (aakcaagac) GID: 1000 (aakcaagac) Signal: 5 (TRAP) Timestamp: Wed 2017-07-05 17:06:43 CEST (13s ago) Command Line: xfce4-panel --display :0.0 --sm-client-id 2de586044-a3af-491f-b352-9658e181bfff Executable: /usr/bin/xfce4-panel Control Group: /user.slice/user-1000.slice/session-2.scope Unit: session-2.scope Slice: user-1000.slice Session: 2 Owner UID: 1000 (aakcaagac) Boot ID: d2a20a9663134f84875b8bd04c2ded8f Machine ID: b3c2075daed546b285cdceb12a9b9c0e Hostname: localhost.localdomain Storage: /var/lib/systemd/coredump/core.xfce4-panel.1000.d2a20a9663134f84875b8bd04c2ded8f.8917.1499267203000000.lz4 Message: Process 8917 (xfce4-panel) of user 1000 dumped core. Stack trace of thread 8917: #0 0x00007f8f892a3e51 _g_log_abort (libglib-2.0.so.0) #1 0x00007f8f892a64a1 g_log_writer_default (libglib-2.0.so.0) #2 0x00007f8f892a49ee g_log_structured_array (libglib-2.0.so.0) #3 0x00007f8f892a4ce7 g_log_structured (libglib-2.0.so.0) #4 0x00007f8f8a703ed3 gtk_builder_new_from_resource (libgtk-3.so.0) #5 0x00007f8f8b88d8e4 IA__xfce_message_dialog_new_valist (libxfce4ui-2.so.0) #6 0x00007f8f8b88dbab IA__xfce_message_dialog_new (libxfce4ui-2.so.0) #7 0x00007f8f8b88e5dc IA__xfce_dialog_show_help_with_version (libxfce4ui-2.so.0) #8 0x00007f8f8957630d g_closure_invoke (libgobject-2.0.so.0) #9 0x00007f8f8958898e signal_emit_unlocked_R (libgobject-2.0.so.0) #10 0x00007f8f895911a5 g_signal_emit_valist (libgobject-2.0.so.0) #11 0x00007f8f89591b0f g_signal_emit (libgobject-2.0.so.0) #12 0x0000563b1262611e panel_plugin_external_wrapper_dbus_provider_signal (xfce4-panel) #13 0x00007f8f835a7bde ffi_call_unix64 (libffi.so.6) #14 0x00007f8f835a754f ffi_call (libffi.so.6) #15 0x00007f8f89576b09 g_cclosure_marshal_generic (libgobject-2.0.so.0) #16 0x00007f8f8957630d g_closure_invoke (libgobject-2.0.so.0) #17 0x00007f8f8958898e signal_emit_unlocked_R (libgobject-2.0.so.0) #18 0x00007f8f89590710 g_signal_emitv (libgobject-2.0.so.0) #19 0x0000563b1261595a _xfce_panel_plugin_wrapper_exported_skeleton_handle_method_call (xfce4-panel) #20 0x00007f8f8988c217 g_dbus_interface_method_dispatch_helper (libgio-2.0.so.0) #21 0x00007f8f898745cc call_in_idle_cb (libgio-2.0.so.0) #22 0x00007f8f8929ac27 g_idle_dispatch (libglib-2.0.so.0) #23 0x00007f8f8929e247 g_main_context_dispatch (libglib-2.0.so.0) #24 0x00007f8f8929e5e8 g_main_context_iterate.isra.25 (libglib-2.0.so.0) #25 0x00007f8f8929e902 g_main_loop_run (libglib-2.0.so.0) #26 0x00007f8f8a80c0b5 gtk_main (libgtk-3.so.0) #27 0x0000563b12612619 main (xfce4-panel) #28 0x00007f8f8896e4da __libc_start_main (libc.so.6) #29 0x0000563b1261277a _start (xfce4-panel) Stack trace of thread 8920: #0 0x00007f8f88a52aad poll (libc.so.6) #1 0x00007f8f8929e569 g_main_context_iterate.isra.25 (libglib-2.0.so.0) #2 0x00007f8f8929e902 g_main_loop_run (libglib-2.0.so.0) #3 0x00007f8f89883cb6 gdbus_shared_thread_func (libgio-2.0.so.0) #4 0x00007f8f892c5536 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f8f88d2636d start_thread (libpthread.so.0) #6 0x00007f8f88a5eb9f __clone (libc.so.6) Stack trace of thread 8918: #0 0x00007f8f88a52aad poll (libc.so.6) #1 0x00007f8f8929e569 g_main_context_iterate.isra.25 (libglib-2.0.so.0) #2 0x00007f8f8929e67c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f8f8929e6c1 glib_worker_main (libglib-2.0.so.0) #4 0x00007f8f892c5536 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f8f88d2636d start_thread (libpthread.so.0) #6 0x00007f8f88a5eb9f __clone (libc.so.6) GNU gdb (GDB) Fedora 8.0-13.fc26 Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/bin/xfce4-panel...Reading symbols from /usr/lib/debug/usr/bin/xfce4-panel.debug...done. done. [New LWP 8917] [New LWP 8920] [New LWP 8918] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `xfce4-panel --display :0.0 --sm-client-id 2de586044-a3af-491f-b352-9658e181bfff'. Program terminated with signal SIGTRAP, Trace/breakpoint trap. #0 0x00007f8f892a3e51 in _g_log_abort () from /lib64/libglib-2.0.so.0 [Current thread is 1 (Thread 0x7f8f8c01da80 (LWP 8917))] Missing separate debuginfos, use: dnf debuginfo-install at-spi2-atk-2.24.1-1.fc26.x86_64 at-spi2-core-2.24.1-1.fc26.x86_64 atk-2.24.0-1.fc26.x86_64 bzip2-libs-1.0.6-22.fc26.x86_64 cairo-1.14.10-1.fc26.x86_64 cairo-gobject-1.14.10-1.fc26.x86_64 dbus-libs-1.11.14-1.fc26.x86_64 dconf-0.26.0-2.fc26.x86_64 expat-2.2.0-2.fc26.x86_64 fontconfig-2.12.1-4.fc26.x86_64 freetype-2.7.1-9.fc26.x86_64 gdk-pixbuf2-2.36.6-1.fc26.x86_64 glib2-2.52.3-1.fc26.x86_64 glibc-2.25-6.fc26.x86_64 graphite2-1.3.10-1.fc26.x86_64 gtk3-3.22.16-1.fc26.x86_64 gvfs-client-1.32.1-1.fc26.x86_64 harfbuzz-1.4.4-1.fc26.x86_64 libICE-1.0.9-9.fc26.x86_64 libSM-1.2.2-5.fc26.x86_64 libX11-1.6.5-2.fc26.x86_64 libXau-1.0.8-7.fc26.x86_64 libXcomposite-0.4.4-9.fc26.x86_64 libXcursor-1.1.14-8.fc26.x86_64 libXdamage-1.1.4-9.fc26.x86_64 libXext-1.3.3-5.fc26.x86_64 libXfixes-5.0.3-2.fc26.x86_64 libXi-1.7.9-2.fc26.x86_64 libXinerama-1.1.3-7.fc26.x86_64 libXrandr-1.5.1-2.fc26.x86_64 libXrender-0.9.10-2.fc26.x86_64 libXres-1.0.7-7.fc26.x86_64 libblkid-2.30-1.fc26.x86_64 libcap-2.25-5.fc26.x86_64 libcroco-0.6.12-1.fc26.x86_64 libdatrie-0.2.9-4.fc26.x86_64 libepoxy-1.4.1-1.fc26.x86_64 libffi-3.1-11.fc26.x86_64 libgcc-7.1.1-3.fc26.x86_64 libgcrypt-1.7.8-1.fc26.x86_64 libglvnd-0.2.999-14.20170308git8e6e102.fc26.x86_64 libglvnd-egl-0.2.999-14.20170308git8e6e102.fc26.x86_64 libglvnd-glx-0.2.999-14.20170308git8e6e102.fc26.x86_64 libgpg-error-1.25-2.fc26.x86_64 libmodman-2.0.1-13.fc26.x86_64 libmount-2.30-1.fc26.x86_64 libpng-1.6.28-2.fc26.x86_64 libproxy-0.4.15-1.fc26.x86_64 librsvg2-2.40.17-1.fc26.x86_64 libselinux-2.6-6.fc26.x86_64 libstdc++-7.1.1-3.fc26.x86_64 libthai-0.1.25-2.fc26.x86_64 libuuid-2.30-1.fc26.x86_64 libwayland-client-1.13.0-1.fc26.x86_64 libwayland-cursor-1.13.0-1.fc26.x86_64 libwnck3-3.20.1-2.fc26.x86_64 libxcb-1.12-3.fc26.x86_64 libxkbcommon-0.7.1-3.fc26.x86_64 libxml2-2.9.4-2.fc26.x86_64 lz4-libs-1.7.5-3.fc26.x86_64 mesa-libwayland-egl-17.1.4-1.fc26.x86_64 pango-1.40.6-1.fc26.x86_64 pcre-8.40-7.fc26.x86_64 pixman-0.34.0-3.fc26.x86_64 startup-notification-0.12-12.fc26.x86_64 systemd-libs-233-6.fc26.x86_64 xcb-util-0.4.0-6.fc26.x86_64 xz-libs-5.2.3-2.fc26.x86_64 zlib-1.2.11-2.fc26.x86_64 (gdb) bt full #0 0x00007f8f892a3e51 in _g_log_abort () at /lib64/libglib-2.0.so.0 #1 0x00007f8f892a64a1 in g_log_writer_default () at /lib64/libglib-2.0.so.0 #2 0x00007f8f892a49ee in g_log_structured_array () at /lib64/libglib-2.0.so.0 #3 0x00007f8f892a4ce7 in g_log_structured () at /lib64/libglib-2.0.so.0 #4 0x00007f8f8a703ed3 in gtk_builder_new_from_resource () at /lib64/libgtk-3.so.0 #5 0x00007f8f8b88d8e4 in IA__xfce_message_dialog_new_valist (parent=parent@entry=0x0, title=title@entry=0x7f8f8b894805 "Online Documentation", icon_stock_id=icon_stock_id@entry=0x7f8f8b894825 "dialog-question", primary_text=primary_text@entry=0x563b149bb250 "Do you want to read the manual online?", secondary_text=secondary_text@entry=0x7f8f8b8949f8 "You will be redirected to the documentation website where the help pages are maintained and translated.", first_button_text=first_button_text@entry=0x7f8f8b89481a "gtk-cancel", args=0x7ffecb81ffd0) at xfce-dialogs.c:573 gxml = dialog = dialog_image = image = button = label_box = text = 0x7f8f8b89481a "gtk-cancel" stock_id = pixbuf = 0x563b149bb250 scaled = w = 343580954 h = 22075 __func__ = "IA__xfce_message_dialog_new_valist" #6 0x00007f8f8b88dbab in IA__xfce_message_dialog_new (parent=parent@entry=0x0, title=0x7f8f8b894805 "Online Documentation", stock_id=stock_id@entry=0x7f8f8b894825 "dialog-question", primary_text=primary_text@entry=0x563b149bb250 "Do you want to read the manual online?", secondary_text=secondary_text@entry=0x7f8f8b8949f8 "You will be redirected to the documentation website where the help pages are maintained and translated.", first_button_text=first_button_text@entry=0x7f8f8b89481a "gtk-cancel") at xfce-dialogs.c:898 args = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7ffecb8200e0, reg_save_area = 0x7ffecb81fff0}} dialog = __func__ = "IA__xfce_message_dialog_new" #7 0x00007f8f8b88e5dc in IA__xfce_dialog_show_help_with_version (parent=0x0, component=0x563b12634256 "xfce4-panel", page=, offset=0x0, version=) at xfce-dialogs.c:267 dialog = name = primary = 0x563b149bb250 "Do you want to read the manual online?" uri = 0x563b14994e60 locale = message_box = button = rc = auto_online = screen = __func__ = "IA__xfce_dialog_show_help_with_version" #8 0x00007f8f8957630d in g_closure_invoke () at /lib64/libgobject-2.0.so.0 #9 0x00007f8f8958898e in signal_emit_unlocked_R () at /lib64/libgobject-2.0.so.0 #10 0x00007f8f895911a5 in g_signal_emit_valist () at /lib64/libgobject-2.0.so.0 #11 0x00007f8f89591b0f in g_signal_emit () at /lib64/libgobject-2.0.so.0 #12 0x0000563b1262611e in panel_plugin_external_wrapper_dbus_provider_signal (skeleton=0x563b14a4b300, invocation=0x7f8f74016710, provider_signal=PROVIDER_SIGNAL_PANEL_HELP, wrapper=0x563b14ad6420) at panel-plugin-external-wrapper.c:401 __func__ = "panel_plugin_external_wrapper_dbus_provider_signal" #13 0x00007f8f835a7bde in ffi_call_unix64 () at /lib64/libffi.so.6 ---Type to continue, or q to quit--- #14 0x00007f8f835a754f in ffi_call () at /lib64/libffi.so.6 #15 0x00007f8f89576b09 in g_cclosure_marshal_generic () at /lib64/libgobject-2.0.so.0 #16 0x00007f8f8957630d in g_closure_invoke () at /lib64/libgobject-2.0.so.0 #17 0x00007f8f8958898e in signal_emit_unlocked_R () at /lib64/libgobject-2.0.so.0 #18 0x00007f8f89590710 in g_signal_emitv () at /lib64/libgobject-2.0.so.0 #19 0x0000563b1261595a in _xfce_panel_plugin_wrapper_exported_skeleton_handle_method_call (connection=, sender=, object_path=, interface_name=0x7f8f7400c7c0 "org.xfce.Panel.Wrapper", method_name=0x7f8f74009ad0 "ProviderSignal", parameters=, invocation=0x7f8f74016710, user_data=0x563b14a4b300) at panel-plugin-external-wrapper-exported.c:1213 skeleton = info = 0x563b1284f560 <_xfce_panel_plugin_wrapper_exported_method_info_provider_signal> iter = {x = {94811748368896, 1, 1, 0, 94811747131792, 140254461362199, 0, 3579507750, 104, 140254458395396, 140254103247872, 6250222936380866560, 140254103233120, 1946248864, 140254103299744, 140254103234400}} child = 0x0 paramv = 0x563b14b33700 num_params = n = signal_id = 264 return_value = {g_type = 20, 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}}} __func__ = "_xfce_panel_plugin_wrapper_exported_skeleton_handle_method_call" #20 0x00007f8f8988c217 in g_dbus_interface_method_dispatch_helper () at /lib64/libgio-2.0.so.0 #21 0x00007f8f898745cc in call_in_idle_cb () at /lib64/libgio-2.0.so.0 #22 0x00007f8f8929ac27 in g_idle_dispatch () at /lib64/libglib-2.0.so.0 #23 0x00007f8f8929e247 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0 #24 0x00007f8f8929e5e8 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #25 0x00007f8f8929e902 in g_main_loop_run () at /lib64/libglib-2.0.so.0 #26 0x00007f8f8a80c0b5 in gtk_main () at /lib64/libgtk-3.so.0 #27 0x0000563b12612619 in main (argc=, argv=) at main.c:379 context = error = 0x0 dbus_service = 0x563b147e4a50 succeed = remote_succeed = 124 i = signums = {2, 3, 15, 6, 10} error_msg = sm_client = 0x563b14817010 (gdb) q -bash-4.4$