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bug#27668: 26.0.50; Crash with display-line-numbers t
From: |
Robert Pluim |
Subject: |
bug#27668: 26.0.50; Crash with display-line-numbers t |
Date: |
Fri, 14 Jul 2017 10:59:17 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Robert Pluim <rpluim@gmail.com>
>> (gdb) pgrowx it->glyph_row
>> TEXT: 66 glyphs
>> 0 0: CHAR[ ] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID
>> 1 16: CHAR[1] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID
>> 2 32: CHAR[2] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID
>> 3 48: CHAR[6] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID
>> 4 64: CHAR[1] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID
>> 5 80: CHAR[ ] pos=-1 blev=2,btyp=EN w=16 a+d=25+6 face=51 MB AVOID
>> 6 96: CHAR[ ] pos=37180 blev=0,btyp=L w=16 a+d=25+6 MB
>
> Hmm... I'm not sure how this happened, but I have a theory. I've now
> made a change in master based on that theory, and also added an
> assertion where you previously had to set a breakpoint. Please see if
> the current master fixes the problem and doesn't hit the assertion in
> maybe_produce_line_number.
git describe HEAD
emacs-24.5-rc3-fixed-13053-g60d24e1681
(gdb) run
Starting program: /home/rpluim/repos/emacs-master/src/emacs
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffe4de5700 (LWP 6631)]
[New Thread 0x7fffdffff700 (LWP 6632)]
[New Thread 0x7fffdf5f1700 (LWP 6633)]
xdisp.c:21012: Emacs fatal error: assertion failed: it->glyph_row == NULL ||
it->glyph_row->used[TEXT_AREA] == 0
Thread 1 "emacs" hit Breakpoint 1, terminate_due_to_signal (sig=sig@entry=6,
backtrace_limit=backtrace_limit@entry=2147483647) at emacs.c:363
363 {
(gdb) bt
#0 terminate_due_to_signal (sig=sig@entry=6,
backtrace_limit=backtrace_limit@entry=2147483647) at emacs.c:363
#1 0x00000000005a4ed4 in die (msg=msg@entry=0x67aec0 "it->glyph_row == NULL ||
it->glyph_row->used[TEXT_AREA] == 0",
file=file@entry=0x678e68 "xdisp.c", line=line@entry=21012) at alloc.c:7348
#2 0x000000000045befb in maybe_produce_line_number
(it=it@entry=0x7fffffff8130) at xdisp.c:21012
#3 0x0000000000465335 in display_line (it=it@entry=0x7fffffff8130,
cursor_vpos=cursor_vpos@entry=9) at xdisp.c:21227
#4 0x000000000046728d in try_window (window=..., window@entry=XIL(0x146e6c5),
pos=..., flags=flags@entry=1)
at xdisp.c:17544
#5 0x000000000047f8fb in redisplay_window (window=XIL(0x146e6c5),
just_this_one_p=just_this_one_p@entry=false)
at xdisp.c:16991
#6 0x000000000048314b in redisplay_window_0 (window=...,
window@entry=XIL(0x146e6c5)) at xdisp.c:14751
#7 0x00000000005c7b44 in internal_condition_case_1 (bfun=bfun@entry=0x483120
<redisplay_window_0>, arg=...,
handlers=..., hfun=hfun@entry=0x435900 <redisplay_window_error>) at
eval.c:1350
#8 0x000000000043d100 in redisplay_windows (window=...) at xdisp.c:14731
#9 0x000000000043d0c9 in redisplay_windows (window=...) at xdisp.c:14725
#10 0x000000000046c915 in redisplay_internal () at xdisp.c:14220
#11 0x000000000046eea5 in redisplay () at xdisp.c:13440
#12 0x0000000000545b4b in read_char (commandflag=commandflag@entry=1, map=...,
map@entry=XIL(0x346a793),
prev_event=..., used_mouse_menu=used_mouse_menu@entry=0x7fffffffd6cb,
end_time=end_time@entry=0x0)
at keyboard.c:2484
#13 0x0000000000548c2b in read_key_sequence
(keybuf=keybuf@entry=0x7fffffffd7b0, prompt=..., prompt@entry=XIL(0),
dont_downcase_last=dont_downcase_last@entry=false,
can_return_switch_frame=can_return_switch_frame@entry=true,
fix_current_buffer=fix_current_buffer@entry=true,
prevent_redisplay=prevent_redisplay@entry=false, bufsize=30)
at keyboard.c:9151
#14 0x000000000054aee6 in command_loop_1 () at keyboard.c:1372
#15 0x00000000005c7a77 in internal_condition_case (bfun=bfun@entry=0x54ac40
<command_loop_1>, handlers=...,
handlers@entry=XIL(0x4fb0), hfun=hfun@entry=0x53e5c0 <cmd_error>) at
eval.c:1326
#16 0x0000000000537f2c in command_loop_2 (ignore=..., ignore@entry=XIL(0)) at
keyboard.c:1114
#17 0x00000000005c79bc in internal_catch (tag=..., tag@entry=XIL(0xc1e0),
func=func@entry=0x537f10 <command_loop_2>,
arg=..., arg@entry=XIL(0)) at eval.c:1091
#18 0x0000000000537ee9 in command_loop () at keyboard.c:1093
#19 0x000000000053e0e6 in recursive_edit_1 () at keyboard.c:699
#20 0x000000000053e463 in Frecursive_edit () at keyboard.c:770
#21 0x000000000041aceb in main (argc=<optimized out>, argv=0x7fffffffdb58) at
emacs.c:1706
Lisp Backtrace:
eval.c:150: Emacs fatal error: assertion failed: pdl->kind == SPECPDL_BACKTRACE
Thread 1 "emacs" hit Breakpoint 1, terminate_due_to_signal (sig=sig@entry=6,
backtrace_limit=backtrace_limit@entry=2147483647) at emacs.c:363
363 {
I was looking at a commit in Magit, and had just hit enter in a diff
hunk to view the source file containing the change, so it's happening
when we switch from non-line-number to line-number mode.
Robert
- bug#27668: 26.0.50; Crash with display-line-numbers t, (continued)
- bug#27668: 26.0.50; Crash with display-line-numbers t, Eli Zaretskii, 2017/07/13
- bug#27668: 26.0.50; Crash with display-line-numbers t, Robert Pluim, 2017/07/13
- bug#27668: 26.0.50; Crash with display-line-numbers t, Eli Zaretskii, 2017/07/13
- bug#27668: 26.0.50; Crash with display-line-numbers t, Robert Pluim, 2017/07/13
- bug#27668: 26.0.50; Crash with display-line-numbers t, Eli Zaretskii, 2017/07/13
- bug#27668: 26.0.50; Crash with display-line-numbers t, Robert Pluim, 2017/07/13
- bug#27668: 26.0.50; Crash with display-line-numbers t, Eli Zaretskii, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t,
Robert Pluim <=
- bug#27668: 26.0.50; Crash with display-line-numbers t, Robert Pluim, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t, Eli Zaretskii, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t, Robert Pluim, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t, Eli Zaretskii, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t, Eli Zaretskii, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t, Robert Pluim, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t, Eli Zaretskii, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t, Robert Pluim, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t, Robert Pluim, 2017/07/14
- bug#27668: 26.0.50; Crash with display-line-numbers t, Eli Zaretskii, 2017/07/14