SEGV on plugin Remove $ grep Ver /usr/lib64/pkgconfig/gtk+-3.0.pc Version: 3.22.8 $ git shortlog -1 Fabian (1): increase version to 1.1.2 git again $ dmesg -t ... traps: panel-6-xfce4-m[6087] general protection ip:7f5262b0f9f2 sp:7fff98430e10 error:0 in libgobject-2.0.so.0.5102.0[7f5262ada000+52000] traps: panel-6-xfce4-m[10628] general protection ip:7f29797d59f2 sp:7ffcad69a220 error:0 in libgobject-2.0.so.0.5102.0[7f29797a0000+52000] $ coredumpctl dump 6087 PID: 6087 (panel-6-xfce4-m) UID: 1000 (test) GID: 1000 (test) Signal: 11 (SEGV) Timestamp: [...] (3min 46s ago) Command Line: /usr/lib64/xfce4/panel/wrapper-2.0 /usr/lib64/xfce4/panel/plugins/libmount.so 6 12582955 xfce4-mount-plugin Mount devices Shows all mountable devices and (un)mounts them on request. Executable: /usr/lib64/xfce4/panel/wrapper-2.0 Control Group: /user.slice/user-1000.slice/session-5.scope Unit: session-5.scope Slice: user-1000.slice Session: 5 Owner UID: 1000 (test) [...] Storage: /var/lib/systemd/coredump/core.panel-6-xfce4-m.1000.[...].6087.[...].lz4 Message: Process 6087 (panel-6-xfce4-m) of user 1000 dumped core. Stack trace of thread 6087: #0 0x00007f5262b0f9f2 g_type_check_instance_cast (libgobject-2.0.so.0) #1 0x00007f52640b1c8d xfce_panel_plugin_finalize (libxfce4panel-2.0.so.4) #2 0x00007f5262aee239 g_object_unref (libgobject-2.0.so.0) #3 0x00007f5263b2a929 gtk_window_forall (libgtk-3.so.0) #4 0x00007f52639040ee gtk_container_destroy (libgtk-3.so.0) #5 0x00007f5262ae947d g_closure_invoke (libgobject-2.0.so.0) #6 0x00007f5262afc512 signal_emit_unlocked_R (libgobject-2.0.so.0) #7 0x00007f5262b050b5 g_signal_emit_valist (libgobject-2.0.so.0) #8 0x00007f5262b05a0f g_signal_emit (libgobject-2.0.so.0) #9 0x00007f5263b1e5e0 gtk_widget_dispose (libgtk-3.so.0) #10 0x00007f5263b31d18 gtk_window_dispose (libgtk-3.so.0) #11 0x00007f5262aefc3c g_object_run_dispose (libgobject-2.0.so.0) #12 0x0000559580a31343 main (wrapper-2.0) #13 0x00007f5261de65fe __libc_start_main (libc.so.6) #14 0x0000559580a3147a _start (wrapper-2.0) Stack trace of thread 6114: #0 0x00007f5261eca29d poll (libc.so.6) #1 0x00007f52623fe449 g_main_context_iterate.isra.24 (libglib-2.0.so.0) #2 0x00007f52623fe7e2 g_main_loop_run (libglib-2.0.so.0) #3 0x00007f526126e7a6 gdbus_shared_thread_func (libgio-2.0.so.0) #4 0x00007f52624256d6 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f526219c5bd start_thread (libpthread.so.0) #6 0x00007f5261ed5c3f __clone (libc.so.6) Stack trace of thread 6113: #0 0x00007f5261eca29d poll (libc.so.6) #1 0x00007f52623fe449 g_main_context_iterate.isra.24 (libglib-2.0.so.0) #2 0x00007f52623fe55c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f52623fe5a1 glib_worker_main (libglib-2.0.so.0) #4 0x00007f52624256d6 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f526219c5bd start_thread (libpthread.so.0) #6 0x00007f5261ed5c3f __clone (libc.so.6) Refusing to dump core to tty (use shell redirection or specify --output). $ coredumpctl dump 10628 PID: 10628 (panel-6-xfce4-m) UID: 1000 (test) GID: 1000 (test) Signal: 11 (SEGV) Timestamp: [...] (1min 37s ago) Command Line: /usr/lib64/xfce4/panel/wrapper-2.0 /usr/lib64/xfce4/panel/plugins/libmount.so 6 12582955 xfce4-mount-plugin Mount devices Shows all mountable devices and (un)mounts them on request. Executable: /usr/lib64/xfce4/panel/wrapper-2.0 Control Group: /user.slice/user-1000.slice/session-8.scope Unit: session-8.scope Slice: user-1000.slice Session: 8 Owner UID: 1000 (test) [...] Storage: /var/lib/systemd/coredump/core.panel-6-xfce4-m.1000.[...].10628.[...].lz4 Message: Process 10628 (panel-6-xfce4-m) of user 1000 dumped core. Stack trace of thread 10628: #0 0x00007f29797d59f2 g_type_check_instance_cast (libgobject-2.0.so.0) #1 0x00007f297ad77c8d xfce_panel_plugin_finalize (libxfce4panel-2.0.so.4) #2 0x00007f29797b4239 g_object_unref (libgobject-2.0.so.0) #3 0x00007f297a7f0929 gtk_window_forall (libgtk-3.so.0) #4 0x00007f297a5ca0ee gtk_container_destroy (libgtk-3.so.0) #5 0x00007f29797af47d g_closure_invoke (libgobject-2.0.so.0) #6 0x00007f29797c2512 signal_emit_unlocked_R (libgobject-2.0.so.0) #7 0x00007f29797cb0b5 g_signal_emit_valist (libgobject-2.0.so.0) #8 0x00007f29797cba0f g_signal_emit (libgobject-2.0.so.0) #9 0x00007f297a7e45e0 gtk_widget_dispose (libgtk-3.so.0) #10 0x00007f297a7f7d18 gtk_window_dispose (libgtk-3.so.0) #11 0x00007f29797b5c3c g_object_run_dispose (libgobject-2.0.so.0) #12 0x0000561d5b8fb343 main (wrapper-2.0) #13 0x00007f2978aac5fe __libc_start_main (libc.so.6) #14 0x0000561d5b8fb47a _start (wrapper-2.0) Stack trace of thread 10682: #0 0x00007f2978b9029d poll (libc.so.6) #1 0x00007f29790c4449 g_main_context_iterate.isra.24 (libglib-2.0.so.0) #2 0x00007f29790c455c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f29790c45a1 glib_worker_main (libglib-2.0.so.0) #4 0x00007f29790eb6d6 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f2978e625bd start_thread (libpthread.so.0) #6 0x00007f2978b9bc3f __clone (libc.so.6) Stack trace of thread 10683: #0 0x00007f2978b9029d poll (libc.so.6) #1 0x00007f29790c4449 g_main_context_iterate.isra.24 (libglib-2.0.so.0) #2 0x00007f29790c47e2 g_main_loop_run (libglib-2.0.so.0) #3 0x00007f2977f347a6 gdbus_shared_thread_func (libgio-2.0.so.0) #4 0x00007f29790eb6d6 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f2978e625bd start_thread (libpthread.so.0) #6 0x00007f2978b9bc3f __clone (libc.so.6) Refusing to dump core to tty (use shell redirection or specify --output).