$ coredumpctl dump 1721 PID: 1721 (xfce4-terminal) UID: 1000 (test) GID: 1000 (test) Signal: 11 (SEGV) ... Command Line: xfce4-terminal Executable: /usr/bin/xfce4-terminal Control Group: /user.slice/user-1000.slice/user@1000.service/gnome-terminal-server.service Unit: user@1000.service User Unit: user@1000.service Slice: user-1000.slice Owner UID: 1000 (test) ... Coredump: /var/lib/systemd/coredump/core.xfce4-terminal.1000.....1721.1472324377000000000000.lz4 Message: Process 1721 (xfce4-terminal) of user 1000 dumped core. Stack trace of thread 1721: #0 0x00007f34f91accca XSync (libX11.so.6) #1 0x00007f34f811d1b1 gdk_window_process_all_updates (libgdk-3.so.0) #2 0x00007f34f8f3f33c _ZL21update_repeat_timeoutPv (libvte-2.91.so.0) #3 0x00007f34f6f6d94d g_timeout_dispatch (libglib-2.0.so.0) #4 0x00007f34f6f6cf02 g_main_context_dispatch (libglib-2.0.so.0) #5 0x00007f34f6f6d280 g_main_context_iterate.isra.24 (libglib-2.0.so.0) #6 0x00007f34f6f6d5a2 g_main_loop_run (libglib-2.0.so.0) #7 0x00007f34f860a275 gtk_main (libgtk-3.so.0) #8 0x0000555630b460c6 main (xfce4-terminal) #9 0x00007f34f695f421 __libc_start_main (libc.so.6) #10 0x0000555630b464aa _start (xfce4-terminal) Stack trace of thread 1725: #0 0x00007f34f6a40be9 syscall (libc.so.6) #1 0x00007f34f6fb2a4a g_cond_wait_until (libglib-2.0.so.0) #2 0x00007f34f6f418b9 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0) #3 0x00007f34f6f95496 g_thread_pool_thread_proxy (libglib-2.0.so.0) #4 0x00007f34f6f94ac3 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f34f6d0c6ba start_thread (libpthread.so.0) #6 0x00007f34f6a46fef __clone (libc.so.6) Stack trace of thread 1724: #0 0x00007f34f6a3b00d poll (libc.so.6) #1 0x00007f34f6f6d216 g_main_context_iterate.isra.24 (libglib-2.0.so.0) #2 0x00007f34f6f6d32c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f34ea5a9fad dconf_gdbus_worker_thread (libdconfsettings.so) #4 0x00007f34f6f94ac3 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f34f6d0c6ba start_thread (libpthread.so.0) #6 0x00007f34f6a46fef __clone (libc.so.6) Stack trace of thread 1722: #0 0x00007f34f6a3b00d poll (libc.so.6) #1 0x00007f34f6f6d216 g_main_context_iterate.isra.24 (libglib-2.0.so.0) #2 0x00007f34f6f6d32c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f34f6f6d371 glib_worker_main (libglib-2.0.so.0) #4 0x00007f34f6f94ac3 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f34f6d0c6ba start_thread (libpthread.so.0) #6 0x00007f34f6a46fef __clone (libc.so.6) Stack trace of thread 1723: #0 0x00007f34f6a3b00d poll (libc.so.6) #1 0x00007f34f6f6d216 g_main_context_iterate.isra.24 (libglib-2.0.so.0) #2 0x00007f34f6f6d5a2 g_main_loop_run (libglib-2.0.so.0) #3 0x00007f34f77672d6 gdbus_shared_thread_func (libgio-2.0.so.0) #4 0x00007f34f6f94ac3 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f34f6d0c6ba start_thread (libpthread.so.0) #6 0x00007f34f6a46fef __clone (libc.so.6) Stack trace of thread 1726: #0 0x00007f34f6a40be9 syscall (libc.so.6) #1 0x00007f34f6fb2a4a g_cond_wait_until (libglib-2.0.so.0) #2 0x00007f34f6f418b9 g_async_queue_pop_intern_unlocked (libglib-2.0.so.0) #3 0x00007f34f6f95496 g_thread_pool_thread_proxy (libglib-2.0.so.0) #4 0x00007f34f6f94ac3 g_thread_proxy (libglib-2.0.so.0) #5 0x00007f34f6d0c6ba start_thread (libpthread.so.0) #6 0x00007f34f6a46fef __clone (libc.so.6) Refusing to dump core to tty.