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bug#27668: 26.0.50; Crash with display-line-numbers t
From: |
Eli Zaretskii |
Subject: |
bug#27668: 26.0.50; Crash with display-line-numbers t |
Date: |
Fri, 14 Jul 2017 11:03:48 +0300 |
> From: Robert Pluim <rpluim@gmail.com>
> Date: Thu, 13 Jul 2017 21:35:45 +0200
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> >> From: Robert Pluim <rpluim@gmail.com>
> >> Date: Thu, 13 Jul 2017 20:17:51 +0200
> >>
> >> (gdb) p it->glyph_row->used[TEXT_AREA]
> >> $1 = 66
> >>
> >> (gdb) bt
> >> #0 terminate_due_to_signal (sig=sig@entry=6,
> >> backtrace_limit=backtrace_limit@entry=2147483647) at emacs.c:363
> >> #1 0x00000000005a5084 in die (msg=msg@entry=0x6987d8 "pdl->kind ==
> >> SPECPDL_BACKTRACE", file=file@entry=0x698448 "eval.c",
> >> line=line@entry=150) at alloc.c:7348
> >> #2 0x0000000000419f3b in backtrace_function (pdl=<optimized out>) at
> >> eval.c:150
> >> #3 <function called from gdb>
> >> #4 maybe_produce_line_number (it=it@entry=0x7fffffff8130) at xdisp.c:21010
> >> #5 0x0000000000465365 in display_line (it=it@entry=0x7fffffff8130,
> >> cursor_vpos=cursor_vpos@entry=16) at xdisp.c:21225
> >> #6 0x00000000004672bd in try_window (window=...,
> >> window@entry=XIL(0x146d7d5), pos=..., flags=flags@entry=1) at xdisp.c:17544
> >> #7 0x000000000047f9ab in redisplay_window (window=XIL(0x146d7d5),
> >> just_this_one_p=just_this_one_p@entry=false) at xdisp.c:16991
> >> #8 0x00000000004831fb in redisplay_window_0 (window=...,
> >> window@entry=XIL(0x146d7d5)) at xdisp.c:14751
> >
> > Curiouser and curiouser...
> >
> > OK, in frame #5, the one in display_line, what do these produce:
> >
> > (gdb) p it->current
> > (gdb) pgrowx it->glyph_row
>
> (gdb) p it->current
> $2 = {
> pos = {
> charpos = 37180,
> bytepos = 37180
> },
> overlay_string_index = -1,
> string_pos = {
> charpos = -1,
> bytepos = -1
> },
> dpvec_index = -1
> }
> (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.
Thanks.
- 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 <=
- 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
- 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