This is the gdb output for the SIGSEV case. Note that there is a summary of all the threads first, and then the "bt full" output: PID: 23766 (emacs) UID: 50067 (emartenson) GID: 50067 (emartenson) Signal: 11 (SEGV) Timestamp: Tue 2016-12-13 12:08:14 SGT (4min 40s ago) Command Line: dist/bin/emacs -Q Executable: /home/emartenson/src/emacs/dist/bin/emacs-26.0.50 Control Group: /system.slice/system-getty.slice/getty@tty1.service Unit: getty@tty1.service Slice: system-getty.slice Boot ID: 45a62f2ad9804a0b81fed25ad8faffab Machine ID: 50467f3a69eb4dbea19c8a2972949839 Hostname: em-desktop Storage: /var/lib/systemd/coredump/core.emacs.50067.45a62f2ad9804a0b81fed25ad 8faffab.23766.1481602094000000000000.lz4 Message: Process 23766 (emacs) of user 50067 dumped core. Stack trace of thread 23766: #0 0x00007f568880ff5f raise (libpthread.so.0) #1 0x0000000000553c66 terminate_due_to_signal (emacs-26.0.50) #2 0x00000000005783c1 handle_fatal_signal (emacs-26.0.50) #3 0x00000000005782f1 deliver_process_signal (emacs-26.0.50) #4 0x00000000005783db deliver_fatal_signal (emacs-26.0.50) #5 0x00007f5688810080 __restore_rt (libpthread.so.0) #6 0x000000000060121f Fassq (emacs-26.0.50) #7 0x0000000000663701 merge_properties_sticky (emacs-26.0.50) #8 0x0000000000662f9f adjust_intervals_for_insertion (emacs-26.0.50 ) #9 0x0000000000663fab offset_intervals (emacs-26.0.50) #10 0x000000000058d86c insert_1_both (emacs-26.0.50) #11 0x000000000061cad3 Fprin1_to_string (emacs-26.0.50) #12 0x00000000005edc6c styled_format (emacs-26.0.50) #13 0x00000000005ed62c Fformat_message (emacs-26.0.50) #14 0x00000000005ed36f Fmessage (emacs-26.0.50) #15 0x00000000005f9a4c funcall_subr (emacs-26.0.50) #16 0x00000000005f976b Ffuncall (emacs-26.0.50) #17 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #18 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #19 0x00000000005f979f Ffuncall (emacs-26.0.50) #20 0x00000000005f91d7 call1 (emacs-26.0.50) #21 0x000000000055f4ce timer_check_2 (emacs-26.0.50) #22 0x000000000055f5fc timer_check (emacs-26.0.50) #23 0x000000000055d3f2 readable_events (emacs-26.0.50) #24 0x0000000000563d3b get_input_pending (emacs-26.0.50) #25 0x0000000000569f35 detect_input_pending_run_timers (emacs-26.0.5 0) #26 0x0000000000651607 wait_reading_process_output (emacs-26.0.50) #27 0x00000000004252be sit_for (emacs-26.0.50) #28 0x000000000055bc48 read_char (emacs-26.0.50) #29 0x0000000000568714 read_key_sequence (emacs-26.0.50) #30 0x0000000000558939 command_loop_1 (emacs-26.0.50) #31 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #32 0x0000000000558232 command_loop_2 (emacs-26.0.50) #33 0x00000000005f5d72 internal_catch (emacs-26.0.50) #34 0x00000000005581d4 command_loop (emacs-26.0.50) #35 0x00000000005578f0 recursive_edit_1 (emacs-26.0.50) #36 0x0000000000557a6c Frecursive_edit (emacs-26.0.50) #37 0x0000000000555867 main (emacs-26.0.50) #38 0x00007f5687e4b291 __libc_start_main (libc.so.6) #39 0x00000000004185ba _start (emacs-26.0.50) Stack trace of thread 23776: #0 0x00007f568880ef1c __lll_lock_wait (libpthread.so.0) #1 0x00007f56888115e0 __lll_lock_elision (libpthread.so.0) #2 0x0000000000677a79 sys_mutex_lock (emacs-26.0.50) #3 0x0000000000676491 acquire_global_lock (emacs-26.0.50) #4 0x0000000000676dc2 really_call_select (emacs-26.0.50) #5 0x00000000005d4a02 flush_stack_call_func (emacs-26.0.50) #6 0x0000000000676e2b thread_select (emacs-26.0.50) #7 0x0000000000651168 wait_reading_process_output (emacs-26.0.50) #8 0x000000000055e010 kbd_buffer_get_event (emacs-26.0.50) #9 0x000000000055a894 read_event_from_main_queue (emacs-26.0.50) #10 0x000000000055aad5 read_decoded_event_from_main_queue (emacs-26. 0.50) #11 0x000000000055bf40 read_char (emacs-26.0.50) #12 0x0000000000623c88 read_filtered_event (emacs-26.0.50) #13 0x0000000000623f6b Fread_event (emacs-26.0.50) #14 0x00000000005f9b66 funcall_subr (emacs-26.0.50) #15 0x00000000005f976b Ffuncall (emacs-26.0.50) #16 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #17 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #18 0x00000000005f9ed1 apply_lambda (emacs-26.0.50) #19 0x00000000005f85c2 eval_sub (emacs-26.0.50) #20 0x00000000005f485d Fprogn (emacs-26.0.50) #21 0x00000000005fa482 funcall_lambda (emacs-26.0.50) #22 0x00000000005f986d Ffuncall (emacs-26.0.50) #23 0x0000000000677065 invoke_thread_function (emacs-26.0.50) #24 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #25 0x0000000000677179 run_thread (emacs-26.0.50) #26 0x00007f5688806454 start_thread (libpthread.so.0) #27 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23778: #0 0x00007f568880ef1c __lll_lock_wait (libpthread.so.0) #1 0x00007f56888115e0 __lll_lock_elision (libpthread.so.0) #2 0x0000000000677a79 sys_mutex_lock (emacs-26.0.50) #3 0x0000000000676491 acquire_global_lock (emacs-26.0.50) #4 0x0000000000676dc2 really_call_select (emacs-26.0.50) #5 0x00000000005d4a02 flush_stack_call_func (emacs-26.0.50) #6 0x0000000000676e2b thread_select (emacs-26.0.50) #7 0x0000000000651168 wait_reading_process_output (emacs-26.0.50) #8 0x000000000055e010 kbd_buffer_get_event (emacs-26.0.50) #9 0x000000000055a894 read_event_from_main_queue (emacs-26.0.50) #10 0x000000000055aad5 read_decoded_event_from_main_queue (emacs-26. 0.50) #11 0x000000000055bf40 read_char (emacs-26.0.50) #12 0x0000000000623c88 read_filtered_event (emacs-26.0.50) #13 0x0000000000623f6b Fread_event (emacs-26.0.50) #14 0x00000000005f9b66 funcall_subr (emacs-26.0.50) #15 0x00000000005f976b Ffuncall (emacs-26.0.50) #16 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #17 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #18 0x00000000005f9ed1 apply_lambda (emacs-26.0.50) #19 0x00000000005f85c2 eval_sub (emacs-26.0.50) #20 0x00000000005f485d Fprogn (emacs-26.0.50) #21 0x00000000005fa482 funcall_lambda (emacs-26.0.50) #22 0x00000000005f986d Ffuncall (emacs-26.0.50) #23 0x0000000000677065 invoke_thread_function (emacs-26.0.50) #24 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #25 0x0000000000677179 run_thread (emacs-26.0.50) #26 0x00007f5688806454 start_thread (libpthread.so.0) #27 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23779: #0 0x00007f568880ef1c __lll_lock_wait (libpthread.so.0) #1 0x00007f56888115e0 __lll_lock_elision (libpthread.so.0) #2 0x0000000000677a79 sys_mutex_lock (emacs-26.0.50) #3 0x0000000000676491 acquire_global_lock (emacs-26.0.50) #4 0x0000000000676dc2 really_call_select (emacs-26.0.50) #5 0x00000000005d4a02 flush_stack_call_func (emacs-26.0.50) #6 0x0000000000676e2b thread_select (emacs-26.0.50) #7 0x0000000000651168 wait_reading_process_output (emacs-26.0.50) #8 0x000000000055e010 kbd_buffer_get_event (emacs-26.0.50) #9 0x000000000055a894 read_event_from_main_queue (emacs-26.0.50) #10 0x000000000055aad5 read_decoded_event_from_main_queue (emacs-26. 0.50) #11 0x000000000055bf40 read_char (emacs-26.0.50) #12 0x0000000000623c88 read_filtered_event (emacs-26.0.50) #13 0x0000000000623f6b Fread_event (emacs-26.0.50) #14 0x00000000005f9b66 funcall_subr (emacs-26.0.50) #15 0x00000000005f976b Ffuncall (emacs-26.0.50) #16 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #17 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #18 0x00000000005f9ed1 apply_lambda (emacs-26.0.50) #19 0x00000000005f85c2 eval_sub (emacs-26.0.50) #20 0x00000000005f485d Fprogn (emacs-26.0.50) #21 0x00000000005fa482 funcall_lambda (emacs-26.0.50) #22 0x00000000005f986d Ffuncall (emacs-26.0.50) #23 0x0000000000677065 invoke_thread_function (emacs-26.0.50) #24 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #25 0x0000000000677179 run_thread (emacs-26.0.50) #26 0x00007f5688806454 start_thread (libpthread.so.0) #27 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23777: #0 0x00007f568880ef1c __lll_lock_wait (libpthread.so.0) #1 0x00007f56888115e0 __lll_lock_elision (libpthread.so.0) #2 0x0000000000677a79 sys_mutex_lock (emacs-26.0.50) #3 0x0000000000676491 acquire_global_lock (emacs-26.0.50) #4 0x0000000000676dc2 really_call_select (emacs-26.0.50) #5 0x00000000005d4a02 flush_stack_call_func (emacs-26.0.50) #6 0x0000000000676e2b thread_select (emacs-26.0.50) #7 0x0000000000651168 wait_reading_process_output (emacs-26.0.50) #8 0x000000000055e010 kbd_buffer_get_event (emacs-26.0.50) #9 0x000000000055a894 read_event_from_main_queue (emacs-26.0.50) #10 0x000000000055aad5 read_decoded_event_from_main_queue (emacs-26. 0.50) #11 0x000000000055bf40 read_char (emacs-26.0.50) #12 0x0000000000623c88 read_filtered_event (emacs-26.0.50) #13 0x0000000000623f6b Fread_event (emacs-26.0.50) #14 0x00000000005f9b66 funcall_subr (emacs-26.0.50) #15 0x00000000005f976b Ffuncall (emacs-26.0.50) #16 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #17 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #18 0x00000000005f9ed1 apply_lambda (emacs-26.0.50) #19 0x00000000005f85c2 eval_sub (emacs-26.0.50) #20 0x00000000005f485d Fprogn (emacs-26.0.50) #21 0x00000000005fa482 funcall_lambda (emacs-26.0.50) #22 0x00000000005f986d Ffuncall (emacs-26.0.50) #23 0x0000000000677065 invoke_thread_function (emacs-26.0.50) #24 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #25 0x0000000000677179 run_thread (emacs-26.0.50) #26 0x00007f5688806454 start_thread (libpthread.so.0) #27 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23782: #0 0x00007f568880ef1c __lll_lock_wait (libpthread.so.0) #1 0x00007f56888115e0 __lll_lock_elision (libpthread.so.0) #2 0x0000000000677a79 sys_mutex_lock (emacs-26.0.50) #3 0x0000000000676491 acquire_global_lock (emacs-26.0.50) #4 0x0000000000676dc2 really_call_select (emacs-26.0.50) #5 0x00000000005d4a02 flush_stack_call_func (emacs-26.0.50) #6 0x0000000000676e2b thread_select (emacs-26.0.50) #7 0x0000000000651168 wait_reading_process_output (emacs-26.0.50) #8 0x000000000055e010 kbd_buffer_get_event (emacs-26.0.50) #9 0x000000000055a894 read_event_from_main_queue (emacs-26.0.50) #10 0x000000000055aad5 read_decoded_event_from_main_queue (emacs-26. 0.50) #11 0x000000000055bf40 read_char (emacs-26.0.50) #12 0x0000000000623c88 read_filtered_event (emacs-26.0.50) #13 0x0000000000623f6b Fread_event (emacs-26.0.50) #14 0x00000000005f9b66 funcall_subr (emacs-26.0.50) #15 0x00000000005f976b Ffuncall (emacs-26.0.50) #16 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #17 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #18 0x00000000005f9ed1 apply_lambda (emacs-26.0.50) #19 0x00000000005f85c2 eval_sub (emacs-26.0.50) #20 0x00000000005f485d Fprogn (emacs-26.0.50) #21 0x00000000005fa482 funcall_lambda (emacs-26.0.50) #22 0x00000000005f986d Ffuncall (emacs-26.0.50) #23 0x0000000000677065 invoke_thread_function (emacs-26.0.50) #24 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #25 0x0000000000677179 run_thread (emacs-26.0.50) #26 0x00007f5688806454 start_thread (libpthread.so.0) #27 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23769: #0 0x00007f5687f0a48d poll (libc.so.6) #1 0x00007f568d801786 n/a (libglib-2.0.so.0) #2 0x00007f568d80189c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f567ed754bd n/a (libdconfsettings.so) #4 0x00007f568d8290d5 n/a (libglib-2.0.so.0) #5 0x00007f5688806454 start_thread (libpthread.so.0) #6 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23783: #0 0x00007f568880ef1c __lll_lock_wait (libpthread.so.0) #1 0x00007f56888115e0 __lll_lock_elision (libpthread.so.0) #2 0x0000000000677a79 sys_mutex_lock (emacs-26.0.50) #3 0x0000000000676491 acquire_global_lock (emacs-26.0.50) #4 0x0000000000676dc2 really_call_select (emacs-26.0.50) #5 0x00000000005d4a02 flush_stack_call_func (emacs-26.0.50) #6 0x0000000000676e2b thread_select (emacs-26.0.50) #7 0x0000000000651168 wait_reading_process_output (emacs-26.0.50) #8 0x000000000055e010 kbd_buffer_get_event (emacs-26.0.50) #9 0x000000000055a894 read_event_from_main_queue (emacs-26.0.50) #10 0x000000000055aad5 read_decoded_event_from_main_queue (emacs-26. 0.50) #11 0x000000000055bf40 read_char (emacs-26.0.50) #12 0x0000000000623c88 read_filtered_event (emacs-26.0.50) #13 0x0000000000623f6b Fread_event (emacs-26.0.50) #14 0x00000000005f9b66 funcall_subr (emacs-26.0.50) #15 0x00000000005f976b Ffuncall (emacs-26.0.50) #16 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #17 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #18 0x00000000005f9ed1 apply_lambda (emacs-26.0.50) #19 0x00000000005f85c2 eval_sub (emacs-26.0.50) #20 0x00000000005f485d Fprogn (emacs-26.0.50) #21 0x00000000005fa482 funcall_lambda (emacs-26.0.50) #22 0x00000000005f986d Ffuncall (emacs-26.0.50) #23 0x0000000000677065 invoke_thread_function (emacs-26.0.50) #24 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #25 0x0000000000677179 run_thread (emacs-26.0.50) #26 0x00007f5688806454 start_thread (libpthread.so.0) #27 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23781: #0 0x00007f568880ef1c __lll_lock_wait (libpthread.so.0) #1 0x00007f56888115e0 __lll_lock_elision (libpthread.so.0) #2 0x0000000000677a79 sys_mutex_lock (emacs-26.0.50) #3 0x0000000000676491 acquire_global_lock (emacs-26.0.50) #4 0x0000000000676dc2 really_call_select (emacs-26.0.50) #5 0x00000000005d4a02 flush_stack_call_func (emacs-26.0.50) #6 0x0000000000676e2b thread_select (emacs-26.0.50) #7 0x0000000000651168 wait_reading_process_output (emacs-26.0.50) #8 0x000000000055e010 kbd_buffer_get_event (emacs-26.0.50) #9 0x000000000055a894 read_event_from_main_queue (emacs-26.0.50) #10 0x000000000055aad5 read_decoded_event_from_main_queue (emacs-26. 0.50) #11 0x000000000055bf40 read_char (emacs-26.0.50) #12 0x0000000000623c88 read_filtered_event (emacs-26.0.50) #13 0x0000000000623f6b Fread_event (emacs-26.0.50) #14 0x00000000005f9b66 funcall_subr (emacs-26.0.50) #15 0x00000000005f976b Ffuncall (emacs-26.0.50) #16 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #17 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #18 0x00000000005f9ed1 apply_lambda (emacs-26.0.50) #19 0x00000000005f85c2 eval_sub (emacs-26.0.50) #20 0x00000000005f485d Fprogn (emacs-26.0.50) #21 0x00000000005fa482 funcall_lambda (emacs-26.0.50) #22 0x00000000005f986d Ffuncall (emacs-26.0.50) #23 0x0000000000677065 invoke_thread_function (emacs-26.0.50) #24 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #25 0x0000000000677179 run_thread (emacs-26.0.50) #26 0x00007f5688806454 start_thread (libpthread.so.0) #27 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23780: #0 0x00007f568880ef1c __lll_lock_wait (libpthread.so.0) #1 0x00007f56888115e0 __lll_lock_elision (libpthread.so.0) #2 0x0000000000677a79 sys_mutex_lock (emacs-26.0.50) #3 0x0000000000676491 acquire_global_lock (emacs-26.0.50) #4 0x0000000000676dc2 really_call_select (emacs-26.0.50) #5 0x00000000005d4a02 flush_stack_call_func (emacs-26.0.50) #6 0x0000000000676e2b thread_select (emacs-26.0.50) #7 0x0000000000651168 wait_reading_process_output (emacs-26.0.50) #8 0x000000000055e010 kbd_buffer_get_event (emacs-26.0.50) #9 0x000000000055a894 read_event_from_main_queue (emacs-26.0.50) #10 0x000000000055aad5 read_decoded_event_from_main_queue (emacs-26. 0.50) #11 0x000000000055bf40 read_char (emacs-26.0.50) #12 0x0000000000623c88 read_filtered_event (emacs-26.0.50) #13 0x0000000000623f6b Fread_event (emacs-26.0.50) #14 0x00000000005f9b66 funcall_subr (emacs-26.0.50) #15 0x00000000005f976b Ffuncall (emacs-26.0.50) #16 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #17 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #18 0x00000000005f9ed1 apply_lambda (emacs-26.0.50) #19 0x00000000005f85c2 eval_sub (emacs-26.0.50) #20 0x00000000005f485d Fprogn (emacs-26.0.50) #21 0x00000000005fa482 funcall_lambda (emacs-26.0.50) #22 0x00000000005f986d Ffuncall (emacs-26.0.50) #23 0x0000000000677065 invoke_thread_function (emacs-26.0.50) #24 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #25 0x0000000000677179 run_thread (emacs-26.0.50) #26 0x00007f5688806454 start_thread (libpthread.so.0) #27 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23775: #0 0x00007f5687e5e426 __sigsuspend (libc.so.6) #1 0x0000000000578385 deliver_thread_signal (emacs-26.0.50) #2 0x00000000005783f8 deliver_fatal_thread_signal (emacs-26.0.50) #3 0x00000000005785ae handle_sigsegv (emacs-26.0.50) #4 0x00007f5688810080 n/a (libpthread.so.0) Stack trace of thread 23774: #0 0x00007f568880ef1c __lll_lock_wait (libpthread.so.0) #1 0x00007f56888115e0 __lll_lock_elision (libpthread.so.0) #2 0x0000000000677a79 sys_mutex_lock (emacs-26.0.50) #3 0x0000000000676491 acquire_global_lock (emacs-26.0.50) #4 0x0000000000676dc2 really_call_select (emacs-26.0.50) #5 0x00000000005d4a02 flush_stack_call_func (emacs-26.0.50) #6 0x0000000000676e2b thread_select (emacs-26.0.50) #7 0x0000000000651168 wait_reading_process_output (emacs-26.0.50) #8 0x000000000055e010 kbd_buffer_get_event (emacs-26.0.50) #9 0x000000000055a894 read_event_from_main_queue (emacs-26.0.50) #10 0x000000000055aad5 read_decoded_event_from_main_queue (emacs-26. 0.50) #11 0x000000000055bf40 read_char (emacs-26.0.50) #12 0x0000000000623c88 read_filtered_event (emacs-26.0.50) #13 0x0000000000623f6b Fread_event (emacs-26.0.50) #14 0x00000000005f9b66 funcall_subr (emacs-26.0.50) #15 0x00000000005f976b Ffuncall (emacs-26.0.50) #16 0x00000000006425a9 exec_byte_code (emacs-26.0.50) #17 0x00000000005fa16b funcall_lambda (emacs-26.0.50) #18 0x00000000005f9ed1 apply_lambda (emacs-26.0.50) #19 0x00000000005f85c2 eval_sub (emacs-26.0.50) #20 0x00000000005f485d Fprogn (emacs-26.0.50) #21 0x00000000005fa482 funcall_lambda (emacs-26.0.50) #22 0x00000000005f986d Ffuncall (emacs-26.0.50) #23 0x0000000000677065 invoke_thread_function (emacs-26.0.50) #24 0x00000000005f64a5 internal_condition_case (emacs-26.0.50) #25 0x0000000000677179 run_thread (emacs-26.0.50) #26 0x00007f5688806454 start_thread (libpthread.so.0) #27 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23768: #0 0x00007f5687f0a48d poll (libc.so.6) #1 0x00007f568d801786 n/a (libglib-2.0.so.0) #2 0x00007f568d801b12 g_main_loop_run (libglib-2.0.so.0) #3 0x00007f568dde7316 n/a (libgio-2.0.so.0) #4 0x00007f568d8290d5 n/a (libglib-2.0.so.0) #5 0x00007f5688806454 start_thread (libpthread.so.0) #6 0x00007f5687f137df __clone (libc.so.6) Stack trace of thread 23767: #0 0x00007f5687f0a48d poll (libc.so.6) #1 0x00007f568d801786 n/a (libglib-2.0.so.0) #2 0x00007f568d80189c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f568d8018e1 n/a (libglib-2.0.so.0) #4 0x00007f568d8290d5 n/a (libglib-2.0.so.0) #5 0x00007f5688806454 start_thread (libpthread.so.0) #6 0x00007f5687f137df __clone (libc.so.6) GNU gdb (GDB) 7.12 Copyright (C) 2016 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 /home/emartenson/src/emacs/dist/bin/emacs-26.0.50...done. warning: core file may not match specified executable file. [New LWP 23766] [New LWP 23776] [New LWP 23778] [New LWP 23779] [New LWP 23777] [New LWP 23782] [New LWP 23769] [New LWP 23783] [New LWP 23781] [New LWP 23780] [New LWP 23775] [New LWP 23774] [New LWP 23768] [New LWP 23767] [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Core was generated by `dist/bin/emacs -Q'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f568880ff5f in raise () from /usr/lib/libpthread.so.0 [Current thread is 1 (Thread 0x7f56906fda00 (LWP 23766))] (gdb) bt full #0 0x00007f568880ff5f in raise () at /usr/lib/libpthread.so.0 #1 0x0000000000553c66 in terminate_due_to_signal (sig=11, backtrace_limit=40) at emacs.c:394 #2 0x00000000005783c1 in handle_fatal_signal (sig=11) at sysdep.c:1685 #3 0x00000000005782f1 in deliver_process_signal (sig=11, handler=0x5783a7 ) at sysdep.c:1625 old_errno = 11 on_main_thread = true #4 0x00000000005783db in deliver_fatal_signal (sig=11) at sysdep.c:1691 #5 0x00007f5688810080 in () at /usr/lib/libpthread.so.0 #6 0x000000000060121f in Fassq (key=4956112, list=22055651) at fns.c:1467 #7 0x0000000000663701 in merge_properties_sticky (pleft=22373539, pright=0) at intervals.c:1158 tmp = 63593024 props = 0 front = 0 rear = 0 lfront = 22335331 lrear = 45984 rfront = 0 rrear = 0 tail1 = 0 tail2 = 22373539 sym = 4956112 lval = 22373779 rval = 5573343 cat = 6692608 use_left = false use_right = false lpresent = false #8 0x0000000000662f9f in adjust_intervals_for_insertion (tree=0x40a7bc0, position=2 85, length=45) at intervals.c:981 pleft = 22373539 pright = 0 newi = {total_length = 0, position = 0, left = 0x0, right = 0x0, up = {interval = 0x0, obj = 0}, up_obj = false, gcmarkbit = true, write_protect = false, visible = f alse, front_sticky = false, rear_sticky = false, plist = 0} prev = 0x401b870 i = 0x0 temp = 0x0 eobp = true parent = 63593029 offset = 1 #9 0x0000000000663fab in offset_intervals (buffer=0x3ca5a40, start=285, length=45) at intervals.c:1402 #10 0x000000000058d86c in insert_1_both (string=0x4117610 "(wrong-type-argument inte ger-or-marker-p nil)", nchars=45, nbytes=45, inherit=false, prepare=true, before_mar kers=false) at insdel.c:915 #11 0x000000000061cad3 in Fprin1_to_string (object=22370995, noescape=0) at print.c:672 count = 9 save_deactivate_mark = 45984 printcharfun = 0 old = 0x1100800 old_point = -1 start_point = -1 old_point_byte = -1 start_point_byte = -1 specpdl_count = 10 free_print_buffer = true multibyte = true original = 13742085 previous = 0x4e9872 #12 0x00000000005edc6c in styled_format (nargs=3, args=0x7ffe40289370, message=true) at editfns.c:4112 noescape = 0 minus_flag = false space_flag = false conversion = 83 'S' num_end = 0xb9a8fa "S" raw_field_width = 0 precision_given = false plus_flag = false sharp_flag = false zero_flag = false field_width = 0 precision = 18446744073709551615 n0 = 1 format0 = 0xb9a8f9 "%S" convbytes = 1 convsrc = 0xb9a8f9 "%S" format_char = 37 '%' used = 0 n = 2 initial_buffer = "Error running timer: \177\000\000\231%f\000\000\000\000\00 0\260=\312\000\000\000\000\000EZ\312\003\006\000\000\000@Z \312\003\000\000\000\000X\ 200(@\376\177\000\000\337\nU\000\000\000\000\000@Z \312\003\006\000\000\000EZ\312\003 \000\000\000\000\336Tf\000\006\000\000\000@Z \312\003\000\000\000\000p\200(@\376\177\ 000\000\300{\n\004\000\000\000\000@Z \312\003\000\000\000\000\240\200(@\376\177\000\0 00\252!f\000\000\000\000\000@Z \312\003\000\000\000\000\300{\n\004\000\000\000\000\27 0\vU\000\000\000\000\001EZ\312\003\000\000\000\000\340\200(@\376\177\000\000\231%f\0 00\000\000\000\000\260=\312\000\000\000\000\000"... buf = 0x7ffe40287ff0 "Error running timer: \177" bufsize = 4000 max_bufsize = 2305843009213693952 p = 0x7ffe40288005 "\177" buf_save_value_index = 0 format = 0xb9a8fb "" end = 0xb9a8fb "" nchars = 21 maybe_combine_byte = false arg_intervals = false sa_avail = 16263 sa_count = 9 sa_must_free = false info = 0x7ffe402879c0 format_start = 0xb9a8e2 "Error running timer%s: %S" formatlen = 25 alloca_size = 121 discarded = 0x7ffe40287a20 "" multibyte_format = false multibyte = false quoting_style = 0 val = 0 #13 0x00000000005ed62c in Fformat_message (nargs=3, args=0x7ffe40289370) at editfns.c:3935 #14 0x00000000005ed36f in Fmessage (nargs=3, args=0x7ffe40289370) at editfns.c:3766 val = 11054624 #15 0x00000000005f9a4c in funcall_subr (subr=0xc305a0 , numargs=3, args=0x 7ffe40289370) at eval.c:2790 #16 0x00000000005f976b in Ffuncall (nargs=4, args=0x7ffe40289368) at eval.c:2735 fun = 12780965 original_fun = 629472 funcar = 0 numargs = 3 val = 0 count = 8 #17 0x00000000006425a9 in exec_byte_code (bytestr=11055340, vector=11055373, maxdept h=42, args_template=1030, nargs=1, args=0x7ffe40289860) at bytecode.c:726 v1 = 0 op = 3 type = CONDITION_CASE targets = {0x645acc , 0x645b2c , 0x645b2 e , 0x645b30 , 0x645b32 , 0x645b32 , 0x645b92 , 0x645c07 < exec_byte_code+16953>, 0x641e9b , 0x641e9d , 0x641e9f , 0x641ea1 , 0x641ea3 , 0x641ea3 , 0x641ea9 , 0x641 e5e , 0x6422b7 , 0x6422b9 , 0x6422bb , 0x6422bd , 0x6422bf , 0x6422bf , 0x642300 , 0 x6422c5 , 0x6424b4 , 0x6424b6 , 0x6424b8 , 0x6424ba , 0x6424bc , 0x6424bc , 0x64245c , 0x642479 , 0x642576 , 0x642578 , 0x64257a , 0x64257c , 0x642 57e , 0x64257e , 0x64251e , 0x64253b , 0x642638 , 0x64263a , 0x64263c , 0x64263e , 0 x642640 , 0x642640 , 0x6425e0 , 0x6425fd , 0x64358f , 0x64343a , 0x643431 , 0x645acc , 0x645acc , 0x645acc , 0x645acc , 0x645acc , 0x6437af , 0x643891 , 0x6438ef , 0x64394e , 0x6439b1 , 0x642155 , 0x6421cb , 0x643a26 , 0x6420d0 , 0x642231 , 0x643a8c , 0x643af2 , 0x643b38 , 0x643b9e , 0x64 3beb , 0x643cb8 , 0x643cfe , 0x643d64 , 0x643de7 , 0x643e2d , 0x643e73 , 0x643ed9 , 0x643f3f , 0x643fa5 , 0x644028 , 0x644075 , 0x6440c2 , 0x64418f , 0x644200 , 0x644271 , 0x6444e0 , 0x64454b , 0x6445b6 , 0x644621 , 0x64468c , 0x6446d9 , 0x64474b , 0x644798 , 0x6447e5 , 0x644832 , 0x644932 , 0x6432ce , 0x64498b , 0x6449d1 , 0x644a99 , 0x6 44afd , 0x644b56 , 0x644b9c , 0x644bdd , 0x644c1e , 0x644c 67 , 0x645acc , 0x644cbd , 0x644cfe , 0x644d3f , 0x644d80 , 0x644dc1 , 0x644e02 , 0x6432ce , 0x645acc , 0x644e48 , 0x644e96 , 0x644edc , 0x644f22 , 0x644f88 , 0x644fee , 0x645034 , 0x645128 , 0 x64518e , 0x6451f4 , 0x64525a , 0x64529b , 0x645acc , 0x64 3205 , 0x6426e5 , 0x641f7c , 0x64280c , 0x642960 , 0x642aa8 , 0x6431a4 , 0x6431d3 , 0x64240e , 0x64328f , 0x643300 , 0x64338a , 0x6433c9 , 0x6435d6 , 0x64364a , 0x6436cd , 0x64372e , 0x64269c , 0x6452e1 , 0x645364 , 0x6453aa , 0 x6453f0 , 0x645436 , 0x64547c , 0x6454e2 , 0x645548 , 0x64 55ae , 0x645614 , 0x645753 , 0x6457b9 , 0x64581f , 0x64586 5 , 0x6458cb , 0x645931 , 0x645977 , 0x6459bd , 0x64487f < exec_byte_code+11953>, 0x6448cc , 0x645a0a , 0x645a6d , 0x645acc , 0x642bf0 , 0x642cea , 0x642e18 , 0 x642f46 , 0x643075 , 0x643c38 , 0x64410f , 0x644a19 , 0x645ca 1 , 0x645d17 , 0x645acc , 0x645acc , 0x645db4 , 0x645acc < exec_byte_code+16638>, 0x645acc , 0x645acc , 0x645acc , 0x645acc , 0x645acc , 0x645acc , 0x645acc , 0x645acc , 0x645e3c } const_length = 28 bytestr_length = 171 vectorp = 0xa8b110 stack = {pc = 0xb9a98f "\262\001\210\001\205\247", byte_string = 11 055340, byte_string_start = 0xb9a8fc "\b\021\n\020\211\022\306\033\21 1\307\001!\206\025", next = 0x0} quitcounter = 3 '\003' stack_items = 11 sa_avail = 16296 sa_count = 6 sa_must_free = false stack_base = 0x7ffe40289340 stack_lim = 0x7ffe40289398 top = 0x7ffe40289368 count = 6 result = 0 #18 0x00000000005fa16b in funcall_lambda (fun=11055293, nargs=1, arg_vector=0x7ffe40 289858) at eval.c:2935 size = 5 val = 1 syms_left = 1030 next = 140729974822880 lexenv = 74090846128 count = 6 i = 5573343 optional = false rest = false previous_optional_or_rest = 127 #19 0x00000000005f979f in Ffuncall (nargs=2, args=0x7ffe40289850) at eval.c:2737 fun = 11055293 original_fun = 46896 funcar = 13254064 numargs = 1 val = 5573208 count = 5 #20 0x00000000005f91d7 in call1 (fn=46896, arg1=21097525) at eval.c:2597 #21 0x000000000055f4ce in timer_check_2 (timers=22371619, idle_timers=22371555) at keyboard.c:4463 count = 4 old_deactivate_mark = 0 idle_timer_ripe = false timer = 21097525 timer_time = {tv_sec = 1481602094, tv_nsec = 835328633} timer_difference = {tv_sec = 0, tv_nsec = 193485} idle_timer_difference = {tv_sec = 0, tv_nsec = 404362871} ripe = true idle_timer = 21102277 idle_timer_time = {tv_sec = 0, tv_nsec = 500000000} difference = {tv_sec = 0, tv_nsec = 193485} timer_ripe = true nexttime = {tv_sec = 0, tv_nsec = -1} now = {tv_sec = 1481602094, tv_nsec = 835522118} idleness_now = {tv_sec = 0, tv_nsec = 95637129} chosen_timer = 21097525 #22 0x000000000055f5fc in timer_check () at keyboard.c:4525 nexttime = {tv_sec = 140729974823264, tv_nsec = 13396448} timers = 22371603 idle_timers = 22371555 tem = 0 #23 0x000000000055d3f2 in readable_events (flags=1) at keyboard.c:3345 #24 0x0000000000563d3b in get_input_pending (flags=1) at keyboard.c:6795 #25 0x0000000000569f35 in detect_input_pending_run_timers (do_display=true) at keyboard.c:9935 old_timers_run = 93 #26 0x0000000000651607 in wait_reading_process_output (time_limit=30, nsecs=0, readkbd=-1, do_display=true, wait_for_cell=0, wait_proc=0x0, just_wait_proc=0) at process.c:5476 old_timers_run = 93 old_buffer = 0x3ca5a40 old_window = 19557429 leave = false process_skipped = false channel = 1024 nfds = 0 Available = {fds_bits = {16464, 0 }} Writeok = {fds_bits = {0 }} check_write = true check_delay = 0 no_avail = false xerrno = 11 proc = 140729974824368 timeout = {tv_sec = 0, tv_nsec = 38539627} end_time = {tv_sec = 1481602124, tv_nsec = 740137089} timer_delay = {tv_sec = 0, tv_nsec = 38539627} got_output_end_time = {tv_sec = 1481602124, tv_nsec = 740137089} wait = TIMEOUT got_some_output = -1 retry_for_async = false count = 3 now = {tv_sec = 1481602094, tv_nsec = 835517644} #27 0x00000000004252be in sit_for (timeout=122, reading=true, display_option=1) at dispnew.c:5763 sec = 30 nsec = 0 do_display = true #28 0x000000000055bc48 in read_char (commandflag=1, map=22373155, prev_event=0, used _mouse_menu=0x7ffe4028a20f, end_time=0x0) at keyboard.c:2722 tem0 = 5568885 timeout = 30 delay_level = 4 buffer_size = 2 c = 0 jmpcount = 3 local_getcjmp = {{__jmpbuf = {0, -259527187009303731, 4294032, 140729974827120, 0, 0 , -259527184905860275, 259372165145103181}, __mask_was_saved = 0, __saved_mask = {__ val = {20399936, 13254064, 6140185, 0, 140729974825040, 5568885, 20455520, 13254064, 5703904, 0, 140729974825088, 5568885, 19983091, 140729974825184, 6272424, 0}}}} save_jump = {{__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0}, __mask_was_saved = 0, __saved _mask = {__val = {0 }}}} tem = 22373155 save = 0 previous_echo_area_message = 0 also_record = 0 reread = false recorded = false polling_stopped_here = false orig_kboard = 0x3961510 #29 0x0000000000568714 in read_key_sequence (keybuf=0x7ffe4028a3c0, bufsize=30, prom pt=0, dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=tru e, prevent_redisplay=false) at keyboard.c:9136 interrupted_kboard = 0x3961510 interrupted_frame = 0x129dc30 key = 1 used_mouse_menu = false echo_local_start = 0 last_real_key_start = 0 keys_local_start = 0 new_binding = 277 count = 3 t = 0 echo_start = 0 keys_start = 0 current_binding = 22373155 first_event = 0 first_unbound = 31 mock_input = 0 fkey = {parent = 17976915, map = 17976915, start = 0, end = 0} keytran = {parent = 13732419, map = 13732419, start = 0, end = 0} indec = {parent = 17976931, map = 17976931, start = 0, end = 0} shift_translated = false delayed_switch_frame = 0 original_uppercase = 0 original_uppercase_position = -1 dummyflag = false starting_buffer = 0x3ca5a40 fake_prefixed_keys = 0 #30 0x0000000000558939 in command_loop_1 () at keyboard.c:1373 cmd = 54783888 keybuf = {54, 446, 4294967301, 0, 13251856, 29328, 288, 13283392, 13251856, 0, 1407 29974826080, 6271814, 4294967296, 140729974826112, 13254064, 0, 0, 140729974826080, 5568885, 0, 140729974826176, 6272424, 14045555, 3, 13254064, 29328, 0, 1407299748261 60, 5568885, 0} i = 1 prev_modiff = 134 prev_buffer = 0x3ca5a40 already_adjusted = false #31 0x00000000005f64a5 in internal_condition_case (bfun=0x558528 , h andlers=19680, hfun=0x557d15 ) at eval.c:1336 val = 5568885 c = 0x3827290 #32 0x0000000000558232 in command_loop_2 (ignore=0) at keyboard.c:1115 val = 0 #33 0x00000000005f5d72 in internal_catch (tag=47472, func=0x558209 , arg=0) at eval.c:1101 val = 5568885 c = 0x3827160 #34 0x00000000005581d4 in command_loop () at keyboard.c:1094 #35 0x00000000005578f0 in recursive_edit_1 () at keyboard.c:700 count = 1 val = 140729974826560 #36 0x0000000000557a6c in Frecursive_edit () at keyboard.c:771 count = 0 buffer = 0 #37 0x0000000000555867 in main (argc=2, argv=0x7ffe4028a878) at emacs.c:1686 stack_bottom_variable = 0 '\000' do_initial_setlocale = true dumping = false skip_args = 0 no_loadup = false junk = 0x0 dname_arg = 0x0 ch_to_dir = 0x0 original_pwd = 0x0 disable_aslr = false rlim = {rlim_cur = 8720384, rlim_max = 18446744073709551615} sockfd = -1