Re: segfault with show-paren-mode

[Peter Heslin]

Nick Roberts <address@hidden> writes:

> Does it also happen with emacs -Q?

Yes.

> Please use report-emacs-bug for information about your build etc.

Sorry -- the emacs I built is too unstable to run report-bug-emacs, but
the info from it is appended below.  

>  > visiting an elisp file and putting the cursor on a top-level left paren
>  > in column 0 will cause a segfault.
>
> I don't see this on GNU/Linux.

I am running GNU/Linux on amd64.

> This is the current frame, not the backtrace.  What do you get with "bt full"
> as described with report-emacs-bug?

(gdb) bt full
#0  0x0000000000543dfd in scan_lists (from=140733193399312, count=1, depth=1, 
    sexpflag=1) at syntax.c:2324
        len = Variable "len" is not available.

While trying to look at syntax.c with this build, I got another
segfault:

(gdb) bt full
#0  0x0000000000546bc7 in Fforward_comment (count=Variable "count" is not 
available.
) at syntax.c:2075
        _syntax_tbl = Variable "_syntax_tbl" is not available.

Since I am indeed on amd64, I will try Stefan's suggestion of
re-compiling with -O1.

Build info:

In GNU Emacs 22.0.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.8.6)
 of 2006-07-11 on class03
X server distributor `The X.Org Foundation', version 11.0.60802000
configured using `configure '--with-x-toolkit=gtk''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_GB.UTF-8
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t

Recent input:
M-x r e p o <tab> r <tab> <return>

Recent messages:
(/home/pj/emacs-cvs-source/emacs/src/emacs -Q)
For information about the GNU Project and its goals, type C-h C-p.
Making completion list...
Loading help-mode...done
Loading emacsbug...
Loading regexp-opt...done
Loading emacsbug...done

-- 
Peter Heslin (http://www.dur.ac.uk/p.j.heslin)