(gdb) run
Starting program: /usr/bin/emacs-snapshot 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffeb001700 (LWP 15764)]
[New Thread 0x7fffea800700 (LWP 15765)]

Program received signal SIGABRT, Aborted.
0x00007ffff1fcb757 in kill () at ../sysdeps/unix/syscall-template.S:82
82  ../sysdeps/unix/syscall-template.S: No such file or directory.
(gdb) bt
#0  0x00007ffff1fcb757 in kill () at ../sysdeps/unix/syscall-template.S:82
#1  0x00000000004feb15 in abort () at emacs.c:390
#2  0x000000000055e5b1 in mark_maybe_pointer (p=<optimized out>) at alloc.c:4571
#3  mark_memory (end=<optimized out>, start=<optimized out>) at alloc.c:4656
#4  mark_stack () at alloc.c:4895
#5  Fgarbage_collect () at alloc.c:5484
#6  0x0000000000575e05 in Ffuncall (nargs=2, args=args@entry=0x7fffffffc8e0) at eval.c:2757
#7  0x00000000005acda0 in exec_byte_code (bytestr=<optimized out>, vector=36116069,
maxdepth=<optimized out>, args_template=<optimized out>, nargs=nargs@entry=0, args=<optimized
out>, args@entry=0x0)
    at bytecode.c:784
#8  0x0000000000575bd1 in funcall_lambda (fun=36116413, nargs=nargs@entry=3,
arg_vector=arg_vector@entry=0x7fffffffcac0) at eval.c:3052
#9  0x0000000000575eeb in Ffuncall (nargs=4, args=args@entry=0x7fffffffcab8) at eval.c:2881
#10 0x00000000005acda0 in exec_byte_code (bytestr=<optimized out>, vector=36595181,
maxdepth=<optimized out>, args_template=<optimized out>, nargs=nargs@entry=0, args=<optimized
out>, args@entry=0x0)
    at bytecode.c:784
#11 0x0000000000575bd1 in funcall_lambda (fun=36595453, nargs=nargs@entry=0,
arg_vector=arg_vector@entry=0x7fffffffccc0) at eval.c:3052
#12 0x0000000000575eeb in Ffuncall (nargs=1, args=args@entry=0x7fffffffccb8) at eval.c:2881
#13 0x00000000005acda0 in exec_byte_code (bytestr=<optimized out>, vector=36595621,
maxdepth=<optimized out>, args_template=<optimized out>, nargs=nargs@entry=0, args=<optimized
out>, args@entry=0x0)
    at bytecode.c:784
#14 0x0000000000575bd1 in funcall_lambda (fun=36596245, nargs=nargs@entry=1,
arg_vector=arg_vector@entry=0x7fffffffce90) at eval.c:3052
#15 0x0000000000575eeb in Ffuncall (nargs=2, args=args@entry=0x7fffffffce88) at eval.c:2881
#16 0x00000000005acda0 in exec_byte_code (bytestr=<optimized out>, vector=36647413,
maxdepth=<optimized out>, args_template=<optimized out>, nargs=nargs@entry=0, args=<optimized
out>, args@entry=0x0)
    at bytecode.c:784
#17 0x0000000000575bd1 in funcall_lambda (fun=36632029, nargs=nargs@entry=3,
arg_vector=arg_vector@entry=0x7fffffffd080) at eval.c:3052
#18 0x0000000000575eeb in Ffuncall (nargs=4, args=args@entry=0x7fffffffd078) at eval.c:2881
#19 0x00000000005acda0 in exec_byte_code (bytestr=<optimized out>, vector=36650605,
maxdepth=<optimized out>, args_template=<optimized out>, nargs=nargs@entry=0, args=<optimized
out>, args@entry=0x0)
    at bytecode.c:784
#20 0x0000000000575bd1 in funcall_lambda (fun=36650949, nargs=nargs@entry=5,
arg_vector=arg_vector@entry=0x7fffffffd280) at eval.c:3052
#21 0x0000000000575eeb in Ffuncall (nargs=6, args=args@entry=0x7fffffffd278) at eval.c:2881
#22 0x00000000005acda0 in exec_byte_code (bytestr=<optimized out>, vector=36650029,
maxdepth=<optimized out>, args_template=<optimized out>, nargs=nargs@entry=0, args=<optimized
out>, args@entry=0x0)
    at bytecode.c:784
#23 0x0000000000575bd1 in funcall_lambda (fun=36650541, nargs=nargs@entry=2,
arg_vector=arg_vector@entry=0x7fffffffd460) at eval.c:3052
#24 0x0000000000575eeb in Ffuncall (nargs=3, args=args@entry=0x7fffffffd458) at eval.c:2881
#25 0x00000000005acda0 in exec_byte_code (bytestr=<optimized out>, vector=36650997,
maxdepth=<optimized out>, args_template=<optimized out>, nargs=nargs@entry=0, args=<optimized
out>, args@entry=0x0)
    at bytecode.c:784
#26 0x0000000000575bd1 in funcall_lambda (fun=36651141, nargs=nargs@entry=0,
arg_vector=arg_vector@entry=0x7fffffffd640) at eval.c:3052
#27 0x0000000000575eeb in Ffuncall (nargs=nargs@entry=1, args=args@entry=0x7fffffffd638) at
eval.c:2881
#28 0x0000000000576407 in apply1 (fn=fn@entry=34451250, arg=arg@entry=12014114) at eval.c:2556
#29 0x0000000000571fdd in Fcall_interactively (function=34451250, record_flag=12014114,
keys=12049333) at callint.c:378
#30 0x0000000000576077 in Ffuncall (nargs=nargs@entry=4, args=args@entry=0x7fffffffd7e0) at
eval.c:2827
#31 0x00000000005762b4 in call3 (fn=<optimized out>, arg1=<optimized out>, arg2=<optimized
out>, arg3=<optimized out>) at eval.c:2620
#32 0x00000000004ffa8d in Fcommand_execute (cmd=<optimized out>, record_flag=<optimized out>,
keys=<optimized out>, special=<optimized out>) at keyboard.c:10342
#33 0x000000000050f0fb in command_loop_1 () at keyboard.c:1573
#34 0x00000000005744b3 in internal_condition_case (bfun=bfun@entry=0x50ed70 <command_loop_1>,
handlers=12065890, hfun=hfun@entry=0x503c50 <cmd_error>) at eval.c:1333
#35 0x000000000050208e in command_loop_2 (ignore=ignore@entry=12014114) at keyboard.c:1155
#36 0x00000000005743ab in internal_catch (tag=<error reading variable: Cannot access memory at
address 0x3d68>, func=func@entry=0x502070 <command_loop_2>, arg=12014114) at eval.c:1090
#37 0x0000000000503747 in command_loop () at keyboard.c:1134
#38 recursive_edit_1 () at keyboard.c:754
#39 0x0000000000503a6a in Frecursive_edit () at keyboard.c:818
#40 0x00000000004187bd in main (argc=1, argv=<optimized out>) at emacs.c:1693