bug#39207: WITH dgb symbols Re: bug#39207: 28.0.50; crash when sending gnus message

[gijs@hillenius.net (Gijs Hillenius)]

Now /with/ debug symbols, I hope this helps. Same recipy, same problem
in Gnus when trying to read mail.


gdb /usr/bin/emacs-snapshot-x
GNU gdb (Debian 8.3.1-1) 8.3.1
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Reading symbols from /usr/bin/emacs-snapshot-x...
Reading symbols from /usr/lib/debug/.build-id/a8/a8b95a5341c9d37a357d494f0c7a054c5e2f60.debug...
(gdb) run /usr/bin/emacs-snapshot-x
Starting program: /usr/bin/emacs-snapshot-x /usr/bin/emacs-snapshot-x
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff120c700 (LWP 73410)]
[New Thread 0x7ffff0993700 (LWP 73411)]
[New Thread 0x7fffebfff700 (LWP 73412)]
[Detaching after vfork from child process 73413]
[Detaching after vfork from child process 73414]
[Detaching after vfork from child process 73415]
[Detaching after vfork from child process 73416]
[Detaching after vfork from child process 73417]
[Detaching after vfork from child process 73418]
[Detaching after vfork from child process 73419]
[Detaching after vfork from child process 73420]
[Detaching after vfork from child process 73421]
[Detaching after vfork from child process 73422]
[Detaching after vfork from child process 73423]
[Detaching after vfork from child process 73424]
[Detaching after vfork from child process 73425]
[Detaching after vfork from child process 73426]
[Detaching after vfork from child process 73427]
[Detaching after vfork from child process 73428]
[Detaching after vfork from child process 73429]
[Detaching after vfork from child process 73430]
[Detaching after vfork from child process 73431]
[Detaching after vfork from child process 73432]
[Detaching after vfork from child process 73433]
[Detaching after vfork from child process 73434]
[Detaching after vfork from child process 73435]
[Detaching after vfork from child process 73436]
[Detaching after vfork from child process 73437]
[Detaching after vfork from child process 73438]
[Detaching after vfork from child process 73439]
[Detaching after vfork from child process 73440]
[Detaching after vfork from child process 73441]
[Detaching after vfork from child process 73442]
[Detaching after vfork from child process 73443]
[Detaching after vfork from child process 73444]
[Detaching after vfork from child process 73445]
[Detaching after vfork from child process 73446]
[Detaching after vfork from child process 73447]
[Detaching after vfork from child process 73448]
[Detaching after vfork from child process 73449]
[Detaching after vfork from child process 73450]
[Detaching after vfork from child process 73452]
[Detaching after vfork from child process 73453]
[Detaching after vfork from child process 73456]
[Detaching after vfork from child process 73457]
[Detaching after vfork from child process 73458]
[Detaching after vfork from child process 73459]
[Detaching after vfork from child process 73460]
[Detaching after vfork from child process 73464]
[Detaching after vfork from child process 73476]
[Detaching after vfork from child process 73477]
[Detaching after vfork from child process 73478]
[Detaching after vfork from child process 73479]

Thread 1 "emacs-snapshot-" received signal SIGUSR2, User defined signal 2.
display_count_lines (start_byte=3457, start_byte@entry=2897, limit_byte=3462, count=3404, byte_pos_ptr=byte_pos_ptr@entry=0x7fffffff81c0) at xdisp.c:26516
26516	xdisp.c: No such file or directory.
(gdb) bt
#0  display_count_lines (start_byte=3457, start_byte@entry=2897, limit_byte=3462, count=3404, byte_pos_ptr=byte_pos_ptr@entry=0x7fffffff81c0) at xdisp.c:26516
#1  0x00005555555d3a32 in decode_mode_spec (string=<synthetic pointer>, field_width=0, c=<optimized out>, w=<optimized out>) at xdisp.c:26292
#2  display_mode_element (it=<optimized out>, depth=<optimized out>, field_width=<optimized out>, precision=<optimized out>, elt=<optimized out>, props=0x0, risky=<optimized out>) at xdisp.c:25357
#3  0x00005555555d44b7 in display_mode_element (it=0x7fffffff86d0, depth=8, field_width=6, precision=-37, elt=<optimized out>, props=0x0, risky=<optimized out>) at lisp.h:1449
#4  0x00005555555d44b7 in display_mode_element (it=0x7fffffff86d0, depth=5, field_width=-3, precision=-37, elt=<optimized out>, props=0x0, risky=<optimized out>) at lisp.h:1449
#5  0x00005555555d44b7 in display_mode_element (it=0x7fffffff86d0, depth=3, field_width=0, precision=-34, elt=<optimized out>, props=0x0, risky=<optimized out>) at lisp.h:1449
#6  0x00005555555d44b7 in display_mode_element (it=0x7fffffff86d0, depth=1, field_width=0, precision=0, elt=<optimized out>, props=0x0, risky=<optimized out>) at lisp.h:1449
#7  0x00005555555d528e in display_mode_line (w=w@entry=0x555557c29970, face_id=MODE_LINE_FACE_ID, format=0x555559c93f13) at lisp.h:1032
#8  0x00005555555d559e in display_mode_lines (w=w@entry=0x555557c29970) at lisp.h:730
#9  0x00005555555eeb8c in redisplay_window (window=0x555557c29975, just_this_one_p=<optimized out>) at xdisp.c:18861
#10 0x00005555555f373e in redisplay_window_1 (window=window@entry=0x555557c29975) at xdisp.c:16202
#11 0x00005555556f6dfa in internal_condition_case_1 (bfun=bfun@entry=0x5555555f3710 <redisplay_window_1>, arg=0x555557c29975, handlers=<optimized out>, hfun=hfun@entry=0x5555555b3f20 <redisplay_window_error>)
    at eval.c:1379
#12 0x00005555555df723 in redisplay_internal () at xdisp.c:15770
#13 0x000055555568943f in read_char (commandflag=1, map=0x555557411713, prev_event=0x0, used_mouse_menu=0x7fffffffdccb, end_time=0x0) at keyboard.c:2493
#14 0x000055555568bf5d in read_key_sequence (keybuf=<optimized out>, prompt=0x0, dont_downcase_last=<optimized out>, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=<optimized out>)
    at keyboard.c:9553
#15 0x000055555568d74c in command_loop_1 () at lisp.h:1032
#16 0x00005555556f6d76 in internal_condition_case (bfun=bfun@entry=0x55555568d560 <command_loop_1>, handlers=handlers@entry=0x90, hfun=hfun@entry=0x555555683f50 <cmd_error>) at eval.c:1355
#17 0x000055555567e7a4 in command_loop_2 (ignore=ignore@entry=0x0) at lisp.h:1032
#18 0x00005555556f6ccf in internal_catch (tag=tag@entry=0xd110, func=func@entry=0x55555567e780 <command_loop_2>, arg=arg@entry=0x0) at eval.c:1116
#19 0x000055555567e743 in command_loop () at lisp.h:1032
#20 0x0000555555683b3f in recursive_edit_1 () at keyboard.c:714
#21 0x0000555555683e7b in Frecursive_edit () at keyboard.c:786
#22 0x000055555559ec58 in main (argc=2, argv=<optimized out>) at emacs.c:2054