Ever since updating to linux Mint 17.1, I have been getting emacs has been dumping core every couple of days. I rebuilt with symbols enabled and you will find the backtrace below. The emacs is sitting idle, typically while the computer is idling with the screen blanked. I think the crashes has something to do with threads; I would not be surprised to find that the error occurs in the libpthread or libc, but I wanted to notify you of the failure in case it is actually emacs-related.
Please let me know if there is any further information you need.
gdb /opt/build/emacs-$(yesterday)/src/emacs core
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
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-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 /opt/build/emacs-2014-12-07/src/emacs...done.
[New LWP 18927]
[New LWP 18928]
[New LWP 18930]
[New LWP 18929]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/opt/build/emacs-2014-12-07/src/emacs'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f2a0df3e20b in raise () from /lib/x86_64-linux-gnu/libpthread.so.0
(gdb) bt
#0 0x00007f2a0df3e20b in raise () from /lib/x86_64-linux-gnu/libpthread.so.0
#1 0x00000000004d2191 in terminate_due_to_signal (address@hidden,
address@hidden) at /opt/src/emacs-2014-12-07/src/emacs.c:388
#2 0x00000000004eaa29 in emacs_abort () at /opt/src/emacs-2014-12-07/src/sysdep.c:2285
#3 0x000000000052d2f8 in find_symbol_value (address@hidden)
at /opt/src/emacs-2014-12-07/src/data.c:1224
#4 0x000000000052d30a in Fsymbol_value (address@hidden)
at /opt/src/emacs-2014-12-07/src/data.c:1236
#5 0x000000000053d8ba in eval_sub (form=12144946)
at /opt/src/emacs-2014-12-07/src/eval.c:2070
#6 0x000000000053dc10 in eval_sub (form=<optimized out>)
at /opt/src/emacs-2014-12-07/src/eval.c:2164
#7 0x000000000053ff5e in Fif (args=15452294) at /opt/src/emacs-2014-12-07/src/eval.c:403
#8 0x000000000053daa0 in eval_sub (address@hidden)
at /opt/src/emacs-2014-12-07/src/eval.c:2128
#9 0x0000000000540b7a in Feval (form=15452406, lexical=<optimized out>)
at /opt/src/emacs-2014-12-07/src/eval.c:1993
#10 0x000000000053e5b1 in Ffuncall (address@hidden, address@hidden)
at /opt/src/emacs-2014-12-07/src/eval.c:2717
#11 0x000000000053d1c8 in internal_condition_case_n (bfun=0x53e38c <Ffuncall>,
address@hidden, address@hidden, handlers=12144994,
address@hidden <safe_eval_handler>) at /opt/src/emacs-2014-12-07/src/eval.c:1427
#12 0x0000000000427b5c in safe__call (address@hidden,
address@hidden, func=12250450, address@hidden)
at /opt/src/emacs-2014-12-07/src/xdisp.c:2642
#13 0x0000000000427c3f in safe__call1 (address@hidden,
fn=<optimized out>) at /opt/src/emacs-2014-12-07/src/xdisp.c:2679
#14 0x000000000043cb32 in safe__eval (sexpr=<optimized out>, inhibit_quit=true)
at /opt/src/emacs-2014-12-07/src/xdisp.c:2695
#15 display_mode_element (address@hidden, depth=6, address@hidden, field_width=0,
address@hidden, elt=15452470, address@hidden,
address@hidden) at /opt/src/emacs-2014-12-07/src/xdisp.c:22514
#16 0x000000000043cd21 in display_mode_element (address@hidden, depth=5,
address@hidden, address@hidden, address@hidden,
elt=15451958, props=15451830, address@hidden)
at /opt/src/emacs-2014-12-07/src/xdisp.c:22595
#17 0x000000000043cbbd in display_mode_element (address@hidden, depth=4,
address@hidden, field_width=0, address@hidden, elt=15451718,
address@hidden, address@hidden)
at /opt/src/emacs-2014-12-07/src/xdisp.c:22529
#18 0x000000000043cd21 in display_mode_element (address@hidden, depth=3,
address@hidden, field_width=0, address@hidden, elt=15451702,
address@hidden, address@hidden)
at /opt/src/emacs-2014-12-07/src/xdisp.c:22595
#19 0x000000000043cd21 in display_mode_element (address@hidden, depth=1,
address@hidden, address@hidden, address@hidden,
elt=58388886, address@hidden, props=12144946, address@hidden)
at /opt/src/emacs-2014-12-07/src/xdisp.c:22595
#20 0x000000000043d331 in display_mode_line (address@hidden, face_id=MODE_LINE_FACE_ID,
format=58388934) at /opt/src/emacs-2014-12-07/src/xdisp.c:22112
#21 0x000000000043d584 in display_mode_lines (address@hidden)
at /opt/src/emacs-2014-12-07/src/xdisp.c:22055
#22 0x0000000000459ca3 in redisplay_window (address@hidden,
address@hidden)
at /opt/src/emacs-2014-12-07/src/xdisp.c:16857
---Type <return> to continue, or q <return> to quit---
#23 0x000000000045aadc in redisplay_window_0 (address@hidden)
at /opt/src/emacs-2014-12-07/src/xdisp.c:14329
#24 0x000000000053cf89 in internal_condition_case_1 (bfun=0x45aab3 <redisplay_window_0>,
arg=50735573, handlers=12114486, hfun=0x424c3b <redisplay_window_error>)
at /opt/src/emacs-2014-12-07/src/eval.c:1369
#25 0x000000000042ab94 in redisplay_windows (window=18927)
at /opt/src/emacs-2014-12-07/src/xdisp.c:14309
#26 0x0000000000449599 in redisplay_internal () at /opt/src/emacs-2014-12-07/src/xdisp.c:13905
#27 0x000000000044a8b7 in redisplay_preserve_echo_area (address@hidden)
at /opt/src/emacs-2014-12-07/src/xdisp.c:14166
#28 0x0000000000578266 in wait_reading_process_output (address@hidden,
address@hidden, address@hidden, do_display=true,
address@hidden, address@hidden,
address@hidden) at /opt/src/emacs-2014-12-07/src/process.c:4394
#29 0x00000000004dd5cd in kbd_buffer_get_event (end_time=0x0, used_mouse_menu=0x7fff84c3f1cb,
kbp=<synthetic pointer>) at /opt/src/emacs-2014-12-07/src/keyboard.c:3961
#30 read_event_from_main_queue (used_mouse_menu=0x7fff84c3f1cb, local_getcjmp=0x7fff84c3edf0,
end_time=0x0) at /opt/src/emacs-2014-12-07/src/keyboard.c:2261
#31 read_decoded_event_from_main_queue (used_mouse_menu=<optimized out>,
prev_event=<optimized out>, local_getcjmp=<optimized out>, end_time=<optimized out>)
at /opt/src/emacs-2014-12-07/src/keyboard.c:2326
#32 read_char (commandflag=1, address@hidden, prev_event=12144946,
address@hidden, address@hidden)
at /opt/src/emacs-2014-12-07/src/keyboard.c:2923
#33 0x00000000004def8e in read_key_sequence (address@hidden,
address@hidden, prompt=<optimized out>,
address@hidden,
address@hidden,
address@hidden,
address@hidden)
at /opt/src/emacs-2014-12-07/src/keyboard.c:9206
#34 0x00000000004e04a7 in command_loop_1 () at /opt/src/emacs-2014-12-07/src/keyboard.c:1462
#35 0x000000000053ce76 in internal_condition_case (address@hidden <command_loop_1>,
handlers=12196930, address@hidden <cmd_error>)
at /opt/src/emacs-2014-12-07/src/eval.c:1345
#36 0x00000000004d3c39 in command_loop_2 (address@hidden)
at /opt/src/emacs-2014-12-07/src/keyboard.c:1197
#37 0x000000000053cd57 in internal_catch (tag=12192850,
address@hidden <command_loop_2>, arg=12144946)
at /opt/src/emacs-2014-12-07/src/eval.c:1106
#38 0x00000000004d3bd1 in command_loop () at /opt/src/emacs-2014-12-07/src/keyboard.c:1176
#39 0x00000000004d67b1 in recursive_edit_1 () at /opt/src/emacs-2014-12-07/src/keyboard.c:786
#40 0x00000000004d6a7a in Frecursive_edit () at /opt/src/emacs-2014-12-07/src/keyboard.c:857
#41 0x00000000004d362e in main (argc=<optimized out>, argv=0x7fff84c3f618)
at /opt/src/emacs-2014-12-07/src/emacs.c:1623
(gdb)