jplx-airgn2 ~ # coredumpctl list TIME PID UID GID SIG COREFILE EXE Thu 2019-04-04 15:14:55 PDT 22143 115 995 11 present /usr/bin/gnome-shell Fri 2019-04-05 22:01:28 PDT 2468 115 995 11 present /usr/bin/gnome-shell Fri 2019-04-05 22:43:56 PDT 2465 115 995 11 present /usr/bin/gnome-shell jplx-airgn2 ~ # coredumpctl gdb 2465 PID: 2465 (gnome-shell) UID: 115 (gdm) GID: 995 (gdm) Signal: 11 (SEGV) Timestamp: Fri 2019-04-05 22:43:54 PDT (35s ago) Command Line: /usr/bin/gnome-shell Executable: /usr/bin/gnome-shell Control Group: /user.slice/user-115.slice/session-c1.scope Unit: session-c1.scope Slice: user-115.slice Session: c1 Owner UID: 115 (gdm) Boot ID: 2d576127d1b540e3a9abef7fba372565 Machine ID: 2b5087270ee56aec5a3587605c0b3752 Hostname: jplx-airgn2 Storage: /var/lib/systemd/coredump/core.gnome-shell.115.2d576127d1b540e3a9abef7fba372565.2465.1554529434000000.lz4 Message: Process 2465 (gnome-shell) of user 115 dumped core. GNU gdb (Gentoo 8.1 p1) 8.1 Copyright (C) 2018 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-pc-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/gnome-shell...Reading symbols from /usr/lib64/debug//usr/bin/gnome-shell.debug...done. done. [New LWP 2465] [New LWP 2504] [New LWP 2502] [New LWP 2467] [New LWP 2503] [New LWP 2468] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `/usr/bin/gnome-shell'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f5eab6c7e97 in clutter_stage_view_get_onscreen () from /usr/lib64/mutter/libmutter-clutter-0.so [Current thread is 1 (Thread 0x7f5ead576a00 (LWP 2465))] (gdb) bt full #0 0x00007f5eab6c7e97 in clutter_stage_view_get_onscreen () from /usr/lib64/mutter/libmutter-clutter-0.so No symbol table info available. #1 0x00007f5eac37d870 in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #2 0x00007f5eac37dd7b in meta_stage_native_rebuild_views () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #3 0x00007f5eac3745c8 in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #4 0x00007f5eac2ea523 in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #5 0x00007f5eac2eacc7 in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #6 0x00007f5eac37487f in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #7 0x00007f5eac32999c in meta_init () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #8 0x0000564d7949d7e1 in main (argc=, argv=) at main.c:427 ctx = 0x564d799590e0 error = 0x0 ecode = (gdb) thread apply all bt full Thread 6 (Thread 0x7f5e94850700 (LWP 2468)): #0 0x00007f5eaa5ee9f3 in poll () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f5eaab2f766 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #2 0x00007f5eaab2fb02 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #3 0x00007f5eab1216b6 in ?? () from /usr/lib64/libgio-2.0.so.0 No symbol table info available. #4 0x00007f5eaab57b35 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #5 0x00007f5eaa8c90a3 in start_thread () from /lib64/libpthread.so.0 No symbol table info available. #6 0x00007f5eaa5fad6f in clone () from /lib64/libc.so.6 No symbol table info available. Thread 5 (Thread 0x7f5e80859700 (LWP 2503)): #0 0x00007f5eaa8cfdcc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 No symbol table info available. #1 0x00007f5e8f0a5fab in ?? () from /usr/lib64/dri/nouveau_dri.so No symbol table info available. #2 0x00007f5e8f0a5d17 in ?? () from /usr/lib64/dri/nouveau_dri.so No symbol table info available. #3 0x00007f5eaa8c90a3 in start_thread () from /lib64/libpthread.so.0 No symbol table info available. #4 0x00007f5eaa5fad6f in clone () from /lib64/libc.so.6 No symbol table info available. Thread 4 (Thread 0x7f5e95051700 (LWP 2467)): #0 0x00007f5eaa5ee9f3 in poll () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f5eaab2f766 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #2 0x00007f5eaab2f88c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #3 0x00007f5eaab2f8d1 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #4 0x00007f5eaab57b35 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #5 0x00007f5eaa8c90a3 in start_thread () from /lib64/libpthread.so.0 No symbol table info available. #6 0x00007f5eaa5fad6f in clone () from /lib64/libc.so.6 No symbol table info available. Thread 3 (Thread 0x7f5e8ffff700 (LWP 2502)): #0 0x00007f5eaa5f5089 in syscall () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f5eaab767ea in g_cond_wait_until () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #2 0x00007f5eaab01c91 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #3 0x00007f5eaab02251 in g_async_queue_timeout_pop () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #4 0x00007f5eaab58571 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #5 0x00007f5eaab57b35 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #6 0x00007f5eaa8c90a3 in start_thread () from /lib64/libpthread.so.0 No symbol table info available. #7 0x00007f5eaa5fad6f in clone () from /lib64/libc.so.6 ---Type to continue, or q to quit--- No symbol table info available. Thread 2 (Thread 0x7f5e7bdf2700 (LWP 2504)): #0 0x00007f5eaa5ee9f3 in poll () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f5eaab2f766 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #2 0x00007f5eaab2f88c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #3 0x00007f5e7bdfa41d in ?? () from /usr/lib64/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007f5eaab57b35 in ?? () from /usr/lib64/libglib-2.0.so.0 No symbol table info available. #5 0x00007f5eaa8c90a3 in start_thread () from /lib64/libpthread.so.0 No symbol table info available. #6 0x00007f5eaa5fad6f in clone () from /lib64/libc.so.6 No symbol table info available. Thread 1 (Thread 0x7f5ead576a00 (LWP 2465)): #0 0x00007f5eab6c7e97 in clutter_stage_view_get_onscreen () from /usr/lib64/mutter/libmutter-clutter-0.so No symbol table info available. #1 0x00007f5eac37d870 in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #2 0x00007f5eac37dd7b in meta_stage_native_rebuild_views () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #3 0x00007f5eac3745c8 in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #4 0x00007f5eac2ea523 in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #5 0x00007f5eac2eacc7 in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #6 0x00007f5eac37487f in ?? () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #7 0x00007f5eac32999c in meta_init () from /usr/lib64/libmutter-0.so.0 No symbol table info available. #8 0x0000564d7949d7e1 in main (argc=, argv=) at main.c:427 ctx = 0x564d799590e0 error = 0x0 ecode = (gdb)