From: Kaushal Modi <kaushal.modi@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 29031@debbugs.gnu.org
Subject: bug#29031: 25.3; Segmentation fault when starting emacs with my config
Date: Mon, 30 Oct 2017 19:18:11 +0000 [thread overview]
Message-ID: <CAFyQvY29_Qmkw5BNsY1xi3-t_wSUx7JbVsf1JoHqWkk0+0ZSiA@mail.gmail.com> (raw)
In-Reply-To: <CAFyQvY3PA9BQ4DmSeCOR_p=3e-CoozUbUeiOVRAS31XTw4=U_w@mail.gmail.com>
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On Mon, Oct 30, 2017 at 2:57 PM Kaushal Modi <kaushal.modi@gmail.com> wrote:
> On Mon, Oct 30, 2017 at 2:52 PM Eli Zaretskii <eliz@gnu.org> wrote:
>
>> > From: Kaushal Modi <kaushal.modi@gmail.com>
>> > Date: Mon, 30 Oct 2017 18:34:22 +0000
>> > Cc: 29031@debbugs.gnu.org
>> >
>> > (gdb) p glyph
>> > $1 = (struct glyph *) 0x8f
>> > (gdb) p glyph->charpos
>> > Cannot access memory at address 0x8f
>>
>> So the problematic data is 'glyph'. What do the following print?
>>
>> (gdb) p it->area
>> (gdb) p it->glyph_row
>> (gdb) p it->glyph_row->used[area]
>>
>
> (gdb) p it->area
> $3 = TEXT_AREA
> (gdb) p it->glyph_row
> $4 = (struct glyph_row *) 0xe487f0
> (gdb) p it->glyph_row->used[area]
> $5 = 0
>
I hate to say this, but I lost that gdb session. I am still able to
consistently segfault on startup (when I load nlinum in after-init-hook).
But this time, it's at a different point. Sorry about that.
Thread 1 "emacs" received signal SIGSEGV, Segmentation fault.
0x00000033e307a13c in _int_malloc () from /lib64/libc.so.6
(gdb) bt
#0 0x00000033e307a13c in _int_malloc () from /lib64/libc.so.6
#1 0x00000033e307ab1c in malloc () from /lib64/libc.so.6
#2 0x00000000005464ee in lmalloc (size=8188) at alloc.c:1414
#3 lisp_malloc (nbytes=<optimized out>, type=MEM_TYPE_NON_LISP) at
alloc.c:1063
#4 0x0000000000547bef in allocate_string_data (s=0x4fd6600, nchars=369,
nbytes=370) at alloc.c:1998
#5 0x0000000000547dc7 in make_uninit_multibyte_string (nchars=369,
nbytes=370) at alloc.c:2513
#6 0x000000000056ab9b in concat (nargs=25, args=0x7fffffff1750,
target_type=<optimized out>, last_special=<optimized out>) at fns.c:637
#7 0x000000000056b760 in Fmapconcat (function=60420685,
sequence=<optimized out>, separator=60725716) at fns.c:2562
#8 0x000000000055fbb4 in Ffuncall (nargs=<optimized out>,
args=0x7fffffff1958) at eval.c:2706
#9 0x000000000059699d in exec_byte_code (bytestr=<optimized out>,
vector=60420725, maxdepth=<optimized out>,
args_template=<optimized out>, nargs=<optimized out>, args=<optimized
out>) at bytecode.c:880
#10 0x000000000055f5fa in funcall_lambda (fun=60420901, nargs=<optimized
out>, arg_vector=0x7fffffff1b30) at eval.c:2929
#11 0x000000000055f943 in Ffuncall (nargs=<optimized out>,
args=0x7fffffff1b28) at eval.c:2760
#12 0x000000000059699d in exec_byte_code (bytestr=<optimized out>,
vector=61050749, maxdepth=<optimized out>,
args_template=<optimized out>, nargs=<optimized out>, args=<optimized
out>) at bytecode.c:880
#13 0x000000000055f5fa in funcall_lambda (fun=61051037, nargs=<optimized
out>, arg_vector=0x7fffffff1c60) at eval.c:2929
#14 0x000000000055ebeb in apply_lambda (fun=61051037, args=0, count=13) at
eval.c:2800
#15 0x000000000055eeb6 in eval_sub (form=<optimized out>) at eval.c:2247
#16 0x0000000000560c92 in Feval (form=61021091, lexical=<optimized out>) at
eval.c:1994
#17 0x000000000055fbc8 in Ffuncall (nargs=<optimized out>,
args=0x7fffffff1df8) at eval.c:2702
#18 0x000000000055e6ce in internal_condition_case_n (bfun=0x55f7a0
<Ffuncall>, nargs=2, args=0x7fffffff1eb0, handlers=<optimized out>,
hfun=0x447c60 <safe_eval_handler>) at eval.c:1395
#19 0x000000000043ae89 in safe__call (inhibit_quit=true, nargs=2,
func=<optimized out>, ap=<optimized out>) at xdisp.c:2558
#20 0x000000000043b042 in safe__call1 (inhibit_quit=<optimized out>,
fn=<optimized out>) at xdisp.c:2595
#21 0x000000000044fcc3 in safe__eval (sexpr=<optimized out>,
inhibit_quit=true) at xdisp.c:2609
#22 display_mode_element (it=0x7fffffff2360, depth=4, field_width=0,
precision=-82, elt=61021075, props=0, risky=false) at xdisp.c:22863
#23 0x000000000044fe8e in display_mode_element (it=0x7fffffff2360, depth=3,
field_width=0, precision=-82, elt=61119507, props=0,
risky=false) at xdisp.c:22944
#24 0x000000000044fe8e in display_mode_element (it=0x7fffffff2360, depth=1,
field_width=0, precision=0, elt=61156931, props=0, risky=false)
at xdisp.c:22944
#25 0x0000000000454cf9 in display_mode_line (w=0x11ec2c0,
face_id=MODE_LINE_FACE_ID, format=61157123) at xdisp.c:22460
#26 0x0000000000454fee in display_mode_lines (w=0x11ec2c0) at xdisp.c:22402
#27 0x00000000004602f7 in redisplay_window (window=18793157,
just_this_one_p=false) at xdisp.c:17066
#28 0x0000000000463b36 in redisplay_window_0 (window=<optimized out>) at
xdisp.c:14491
#29 0x000000000055e7c6 in internal_condition_case_1 (bfun=0x463b10
<redisplay_window_0>, arg=18793157, handlers=<optimized out>,
hfun=0x429b40 <redisplay_window_error>) at eval.c:1339
#30 0x000000000044612e in redisplay_windows (window=<optimized out>) at
xdisp.c:14471
#31 0x000000000045cfd5 in redisplay_internal () at xdisp.c:14031
#32 0x00000000004f5299 in read_char (commandflag=1, map=100930259,
prev_event=0, used_mouse_menu=0x7fffffffb11f, end_time=0x0)
at keyboard.c:2482
#33 0x00000000004f90c0 in read_key_sequence (keybuf=0x7fffffffb190,
prompt=0, dont_downcase_last=false, can_return_switch_frame=true,
fix_current_buffer=true, prevent_redisplay=false, bufsize=30) at
keyboard.c:9068
#34 0x00000000004fa3ba in command_loop_1 () at keyboard.c:1370
#35 0x000000000055e82a in internal_condition_case (bfun=0x4fa1f0
<command_loop_1>, handlers=<optimized out>, hfun=0x4f8200 <cmd_error>)
at eval.c:1315
#36 0x00000000004f81ec in command_loop_2 (ignore=<optimized out>) at
keyboard.c:1112
#37 0x000000000055e8b8 in internal_catch (tag=<optimized out>,
func=0x4f81d0 <command_loop_2>, arg=0) at eval.c:1080
#38 0x00000000004f7f67 in command_loop () at keyboard.c:1091
#39 0x00000000004f7ff5 in recursive_edit_1 () at keyboard.c:697
#40 0x00000000004f8135 in Frecursive_edit () at keyboard.c:768
#41 0x00000000004e997e in main (argc=<optimized out>, argv=<optimized out>)
at emacs.c:1629
--
Kaushal Modi
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next prev parent reply other threads:[~2017-10-30 19:18 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-27 21:24 bug#29031: 25.3; Segmentation fault when starting emacs with my config Kaushal Modi
2017-10-30 14:17 ` Kaushal Modi
2017-10-30 16:03 ` Kaushal Modi
2017-10-30 18:37 ` Eli Zaretskii
2017-10-30 19:24 ` Kaushal Modi
2017-10-30 19:34 ` Eli Zaretskii
2017-10-30 19:51 ` Eli Zaretskii
2017-10-30 21:36 ` Kaushal Modi
2017-10-31 20:26 ` Eli Zaretskii
2017-10-31 20:52 ` Kaushal Modi
2017-10-31 20:56 ` Eli Zaretskii
2017-11-07 13:27 ` Noam Postavsky
2017-11-07 13:30 ` Kaushal Modi
2017-11-07 13:55 ` Noam Postavsky
2017-10-30 18:22 ` Eli Zaretskii
2017-10-30 18:34 ` Kaushal Modi
2017-10-30 18:52 ` Eli Zaretskii
2017-10-30 18:57 ` Kaushal Modi
2017-10-30 19:18 ` Kaushal Modi [this message]
2017-10-30 19:28 ` Eli Zaretskii
2019-09-29 0:44 ` Stefan Kangas
2019-09-29 0:58 ` Noam Postavsky
2019-09-29 7:26 ` Eli Zaretskii
2019-10-30 20:17 ` Stefan Kangas
2019-10-30 20:47 ` Kaushal Modi
2019-10-30 21:16 ` Stefan Kangas
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