GNU bug report logs - #12745
crash in bidi_pop_it during (idle) redisplay

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Message #11 received at 12745 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: 12745 <at> debbugs.gnu.org
Subject: Re:  crash in bidi_pop_it during (idle) redisplay
Date: Sun, 28 Oct 2012 00:50:08 -0700

[This is a copy of
 <http://lists.gnu.org/archive/html/emacs-devel/2012-10/msg00745.html>.]

From: Ami Fischman <ami <at> fischman.org>
Date: Sat, 27 Oct 2012 21:09:43 -0700

Thanks for your reply, Eli.


> First, please file a bug about this via "M-x report-emacs-bug RET".
>

When? :)
(after the crash, the process is gone, so can't M-x anything; before the
crash, there's nothing interesting to report :))
In case it's interesting, appended the info from r-e-b (from an emacs -Q
instance) to the bottom of this email.


> Second, please show the value of it->current in frame #7 (inside
> next_overlay_string).
>

(gdb) p it->current
$3 = {
  pos = {
    charpos = 1295,
    bytepos = 1295
  },
  overlay_string_index = 0,
  string_pos = {
    charpos = -1,
    bytepos = -1
  },
  dpvec_index = -1
}


> Third, could you please try the latest development code, and possibly
> compile without optimizations?


Will do & report back in a few days (or sooner, if the bug recurs in HEAD).

Cheers,
-a


In GNU Emacs 24.2.1 (x86_64-unknown-linux-gnu, X toolkit, Xaw scroll bars)
 of 2012-09-11 on <REDACTED>
Windowing system distributor `The X.Org Foundation', version 11.0.70000000
Configured using:
 `configure '--prefix=/usr/gmacs-24.2' '--mandir=${prefix}/share/man'
 '--infodir=${prefix}/share/info' '--with-x-toolkit=lucid' '--with-xpm'
 '--with-jpeg' '--with-tiff' '--with-gif' '--with-png' '--with-x'
 '--program-transform-name=s/emacs/gmacs/g' '--without-dbug'
 '--without-gconf' 'CC=clang
 -B/home/fischman/src/chromium/src/third_party/gold/' 'CFLAGS=-Wall -g
 -O2' 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro'
 'CPPFLAGS=-D_FORTIFY_SOURCE=2''

Important settings:
  value of $LC_ALL:
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
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  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

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  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
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  line-number-mode: t
  transient-mark-mode: t

Recent input:
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