GNU bug report logs - #18815
25.0.50; emacs crash

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; emacs crash
Date: Fri, 24 Oct 2014 20:41:20 +0900

[Message part 1 (text/plain, inline)]

I see frequent crashes with latest emacs. gdb backtrace is attached.
Thanks

[gdb.bt (application/octet-stream, attachment)]

[Message part 3 (text/plain, inline)]

In GNU Emacs 25.0.50.3 (x86_64-unknown-linux-gnu, GTK+ Version 3.14.3)
 of 2014-10-24 on sealion
Windowing system distributor `The X.Org Foundation', version 11.0.11601000
System Description:	Debian GNU/Linux testing (jessie)

Configured using:
 `configure --prefix=/home/yagnesh/local/emacs --enable-checking
 --without-compress-info 'CFLAGS=-g -O0''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND GPM DBUS GCONF GSETTINGS NOTIFY LIBSELINUX
LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB

Important settings:
  value of $LC_COLLATE: en_US.UTF-8
  value of $LC_CTYPE: en_US.UTF-8
  value of $LC_MESSAGES: en_US.UTF-8
  value of $LANG: C
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  flyspell-mode: t
  highlight-parentheses-mode: t
  elisp-slime-nav-mode: t
  paredit-mode: t
  flycheck-mode: t
  display-time-mode: t
  erc-services-mode: t
  erc-list-mode: t
  erc-menu-mode: t
  erc-autojoin-mode: t
  erc-ring-mode: t
  erc-networks-mode: t
  erc-pcomplete-mode: t
  erc-track-mode: t
  erc-match-mode: t
  erc-button-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-netsplit-mode: t
  erc-irccontrols-mode: t
  erc-noncommands-mode: t
  erc-move-to-prompt-mode: t
  erc-readonly-mode: t
  global-git-gutter-mode: t
  TeX-PDF-mode: t
  hl-sexp-mode: t
  winner-mode: t
  shell-dirtrack-mode: t
  recentf-mode: t
  yas-global-mode: t
  yas-minor-mode: t
  global-auto-complete-mode: t
  auto-complete-mode: t
  ido-everywhere: t
  electric-pair-mode: t
  show-paren-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t

Recent input:
M-x r e <return>

Recent messages:
Saving all Org-mode buffers...
(No files need saving)
Saving all Org-mode buffers... done
Saving all Org-mode buffers...
(No files need saving)
Saving all Org-mode buffers... done
For information about GNU Emacs and the GNU system, type C-h C-a C-a.
My .emacs loaded in 9.6 seconds
Emacs is started: loding init file took 9.6 seconds
As always by your command... 

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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-compat hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-compat
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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-w3m hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-w3m
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-table hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-table
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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-inlinetask hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-inlinetask
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ox-publish hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ox-publish
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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-faces hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-faces
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ox-odt hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ox-odt
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-feed hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-feed
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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-org hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-org
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-C hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-C
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-core hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-core
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-table hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-table
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-awk hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-awk
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-pcomplete hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-pcomplete
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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-ledger hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-ledger
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-ref hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-ref
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ox-icalendar hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ox-icalendar
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-list hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-list
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-gnuplot hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-gnuplot
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ox-ascii hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ox-ascii
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-octave hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-octave
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-haskell hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-haskell
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-js hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-js
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-id hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-id
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-entities hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-entities
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-version hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-version
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-agenda hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-agenda
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-bbdb hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-bbdb
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-sql hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-sql
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-eshell hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-eshell
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-makefile hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-makefile
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-sqlite hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-sqlite
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-datetree hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-datetree
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-ruby hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-ruby
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-protocol hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-protocol
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-macs hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-macs
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-scheme hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-scheme
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-scala hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-scala
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-rmail hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-rmail
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-latex hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-latex
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-clock hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-clock
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-clojure hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-clojure
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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-macro hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-macro
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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-comint hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-comint
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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-archive hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-archive
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-dot hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-dot
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-install hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-install
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/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-perl hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-perl
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/ob-sass hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/ob-sass
/home/yagnesh/.emacs.d/el-get/org-mode/lisp/org-mouse hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/org/org-mouse
/home/yagnesh/.emacs.d/el-get/emms/lisp/tq hides /home/yagnesh/local/emacs/share/emacs/25.0.50/lisp/emacs-lisp/tq

Features:
(shadow footnote mail-extr gnus-msg gnus-art mm-uu mml2015 mm-view mml-smime
smime dig gnus-sum gnus-group gnus-undo gnus-start gnus-cloud nnimap nnmail
mail-source tls utf7 netrc nnoo parse-time gnus-spec gnus-int gnus-range
gnus-win gnus gnus-ems nnheader emacsbug message rfc822 mml mml-sec mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
notifications flymake compile flyspell ispell highlight-parentheses
elisp-slime-nav etags paredit flycheck rx subr-x pcase dash emms-info-libtag
emms-librefm-stream emms-librefm-scrobbler emms-playlist-limit emms-volume
emms-volume-amixer emms-i18n emms-history emms-score emms-stream-info
emms-metaplaylist-mode emms-bookmarks emms-cue emms-mode-line-icon
emms-browser sort emms-playlist-sort emms-last-played emms-player-xine
emms-player-mpd tq emms-playing-time emms-lyrics emms-url emms-streams
emms-tag-editor emms-mark emms-mode-line emms-cache emms-info-ogginfo
emms-info-mp3info emms-info later-do emms-playlist-mode emms-player-vlc
emms-player-mplayer emms-player-simple emms-source-playlist emms-source-file
locate emms-setup emms emms-compat time ps-print ps-def lpr jabber-autoloads
twittering-mode url url-proxy url-privacy url-expand url-methods url-history
url-cookie url-domsuf url-util url-parse url-vars mailcap battery wc-mode
erc-services erc-log erc-notify erc-imenu erc-list erc-menu erc-join erc-ring
erc-networks erc-pcomplete erc-track erc-match erc-button erc-fill erc-stamp
erc-netsplit erc-goodies erc erc-backend erc-compat japanese-holidays
diary-lib diary-loaddefs org-indent ox-beamer ox-latex ox-icalendar ox-html
ox-ascii ox-publish ox org-element avl-tree org org-macro org-footnote
org-pcomplete org-list org-faces org-entities noutline outline org-version
ob-emacs-lisp ob ob-tangle ob-ref ob-lob ob-table ob-exp org-src ob-keys
ob-comint ob-core ob-eval org-compat org-macs org-loaddefs cal-menu calendar
cal-loaddefs org-install monky bindat git-gutter zotelo tex-buf tex dbus xml
crm preview-latex tex-site auto-loads ncl-mode-load inf-ncl ncl-mode cus-edit
cus-start cus-load ncl-doc ncl-mode-keywords namelist-mode-load pylookup
generic geiser-load geiser find-func hl-sexp thingatpt dired-aux dired-x
dired-details windmove winner tramp-cache tramp-sh tramp tramp-compat
tramp-loaddefs trampver shell pcomplete comint ansi-color ring format-spec
recentf tree-widget wid-edit imenu goto-last-change saveplace edict
edict-japanese edict-english edict-morphology edict-edit dui-registry dui
dictem yasnippet auto-complete-config auto-complete easy-mmode popup smex ido
diminish backup-each-save elec-pair paren smtpmail auth-source eieio
eieio-core gnus-util password-cache sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr edmacro kmacro door-gnus epa-mail mail-utils epa-file epa
derived epg .loaddefs pydoc-info byte-opt advice info-look info el-get
el-get-autoloads el-get-list-packages el-get-dependencies el-get-build
el-get-status pp el-get-methods el-get-fossil el-get-svn el-get-pacman
el-get-github-zip el-get-github-tar el-get-http-zip el-get-http-tar el-get-hg
el-get-go el-get-git-svn el-get-fink el-get-emacswiki el-get-http
el-get-notify help-mode easymenu el-get-emacsmirror el-get-github el-get-git
el-get-elpa cl-macs package epg-config el-get-darcs el-get-cvs el-get-bzr
el-get-brew el-get-builtin el-get-apt-get el-get-recipes el-get-byte-compile
el-get-custom el-get-core autoload help-fns lisp-mnt bytecomp byte-compile
cconv cl gv cl-loaddefs cl-lib dired time-date tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset
image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode
prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse
jit-lock font-lock syntax facemenu font-core frame cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese case-table
epa-hook jka-cmpr-hook help simple abbrev minibuffer nadvice loaddefs button
faces cus-face macroexp files text-properties overlay sha1 md5 base64 format
env code-pages mule custom widget hashtable-print-readable backquote
make-network-process dbusbind gfilenotify dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)

Memory information:
((conses 16 567649 149672)
 (symbols 48 53276 204)
 (miscs 40 140 320)
 (strings 32 172601 106957)
 (string-bytes 1 4868651)
 (vectors 16 52059)
 (vector-slots 8 1595781 107023)
 (floats 8 990 127)
 (intervals 56 456 95)
 (buffers 976 13)
 (heap 1024 74149 9712))

-- 
ఎందరో మహానుభావులు అందరికి వందనములు.
YYR

Message #8 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Fri, 24 Oct 2014 15:55:38 +0300

> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
> Date: Fri, 24 Oct 2014 20:41:20 +0900
> 
> I see frequent crashes with latest emacs. gdb backtrace is attached.

Thanks, but I need a reproducible test case to debug this.

It seems to abort while displaying the mode line, so perhaps you have
some special setup of the mode line which triggers the bug.

Message #11 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: hi <at> yagnesh.org
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Fri, 24 Oct 2014 16:21:33 +0300

> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 18815 <at> debbugs.gnu.org
> 
> > From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
> > Date: Fri, 24 Oct 2014 20:41:20 +0900
> > 
> > I see frequent crashes with latest emacs. gdb backtrace is attached.
> 
> Thanks, but I need a reproducible test case to debug this.
> 
> It seems to abort while displaying the mode line, so perhaps you have
> some special setup of the mode line which triggers the bug.

Actually, I've just spotted and fixed a thinko in bidi.c, so please
try the latest trunk.  If the problem still persists, please tell what
is your mode-line-format at the moment of the assertion violation.

Thanks.

Message #14 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Sat, 25 Oct 2014 02:36:28 +0900

Hello Eli,

On Oct 24 2014, Eli Zaretskii <eliz <at> gnu.org> wrote:

>> From: Eli Zaretskii <eliz <at> gnu.org>
>> Cc: 18815 <at> debbugs.gnu.org
>>
>> > From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
>> > Date: Fri, 24 Oct 2014 20:41:20 +0900
>> >
>> > I see frequent crashes with latest emacs. gdb backtrace is attached.
>>
>> Thanks, but I need a reproducible test case to debug this.
>>
>> It seems to abort while displaying the mode line, so perhaps you have
>> some special setup of the mode line which triggers the bug.

> Actually, I've just spotted and fixed a thinko in bidi.c, so please
> try the latest trunk.  If the problem still persists,

Built with your fix. Still experiencing crashes.

> please tell what is your mode-line-format at the moment of the assertion
> violation.

mode-line-format is set to the following:
╭─────
│("%e" mode-line-front-space mode-line-mule-info mode-line-client mode-line-modified mode-line-remote mode-line-frame-identification mode-line-buffer-identification "   " mode-line-position
│ (vc-mode vc-mode)
│ "  " mode-line-modes mode-line-misc-info mode-line-end-spaces)
╰─────


Thanks.,
--
ఎందరో మహానుభావులు అందరికి వందనములు.
YYR

Message #17 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Fri, 24 Oct 2014 22:24:59 +0300

> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
> Cc: 18815 <at> debbugs.gnu.org
> Date: Sat, 25 Oct 2014 02:36:28 +0900
> 
> Built with your fix. Still experiencing crashes.
> 
> > please tell what is your mode-line-format at the moment of the assertion
> > violation.
> 
> mode-line-format is set to the following:
> ╭─────
> │("%e" mode-line-front-space mode-line-mule-info mode-line-client mode-line-modified mode-line-remote mode-line-frame-identification mode-line-buffer-identification "   " mode-line-position
> │ (vc-mode vc-mode)
> │ "  " mode-line-modes mode-line-misc-info mode-line-end-spaces)
> ╰─────

OK, just setting mode-line-format ti this doesn't cause a crash.  So
I'd need to know what you did before the crash, the major mode, etc.

It is best to have a reproducible recipe starting with "emacs -Q".

Thanks.

Message #20 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Sat, 25 Oct 2014 12:43:12 +0900

Hello Eli,

On Oct 25 2014, Eli Zaretskii <eliz <at> gnu.org> wrote:

>> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
>> Cc: 18815 <at> debbugs.gnu.org
>> Date: Sat, 25 Oct 2014 02:36:28 +0900
>> 
>> Built with your fix. Still experiencing crashes.
>> 
>> > please tell what is your mode-line-format at the moment of the assertion
>> > violation.
>> 
>> mode-line-format is set to the following:
>> ╭─────
>> │("%e" mode-line-front-space mode-line-mule-info mode-line-client
>> mode-line-modified mode-line-remote mode-line-frame-identification
>> mode-line-buffer-identification " " mode-line-position
>> │ (vc-mode vc-mode)
>> │ "  " mode-line-modes mode-line-misc-info mode-line-end-spaces)
>> ╰─────
>
> OK, just setting mode-line-format ti this doesn't cause a crash.  So
> I'd need to know what you did before the crash, the major mode, etc.
>
> It is best to have a reproducible recipe starting with "emacs -Q".

I haven't able to reproduce with "emacs -Q" yet. But I with my init file I am
able to do reproduce easily.

I kept gdb session running. would that be helpful to query anything?


Thanks.,
-- 
ఎందరో మహానుభావులు అందరికి వందనములు.
YYR

Message #23 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Sat, 25 Oct 2014 09:45:30 +0300

> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
> Cc: 18815 <at> debbugs.gnu.org
> Date: Sat, 25 Oct 2014 12:43:12 +0900
> 
> I haven't able to reproduce with "emacs -Q" yet. But I with my init file I am
> able to do reproduce easily.
> 
> I kept gdb session running. would that be helpful to query anything?

Let's try.  Please post the latest backtrace again, so I have a
starting point that is identical to yours.

Thanks.

Message #26 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Sun, 26 Oct 2014 14:29:34 +0900

[Message part 1 (text/plain, inline)]

Hello Eli,

On Oct 25 2014, Eli Zaretskii <eliz <at> gnu.org> wrote:

>> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
>> Cc: 18815 <at> debbugs.gnu.org
>> Date: Sat, 25 Oct 2014 12:43:12 +0900
>> 
>> I haven't able to reproduce with "emacs -Q" yet. But I with my init file I am
>> able to do reproduce easily.
>> 
>> I kept gdb session running. would that be helpful to query anything?
>
> Let's try.  Please post the latest backtrace again, so I have a
> starting point that is identical to yours.
>

Attached. 

[gdb.bt (application/octet-stream, attachment)]

[Message part 3 (text/plain, inline)]

-- 
ఎందరో మహానుభావులు అందరికి వందనములు.
YYR

Message #29 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Sun, 26 Oct 2014 17:49:31 +0200

> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
> Cc: 18815 <at> debbugs.gnu.org
> Date: Sun, 26 Oct 2014 14:29:34 +0900
> 
> > Let's try.  Please post the latest backtrace again, so I have a
> > starting point that is identical to yours.
> >
> 
> Attached. 

Thanks.  Please show the output from these GDB commands:

 (gdb) source /path/to/src/.gdbinit
 (gdb) frame 5
 (gdb) p bidi_it->string
 (gdb) p bidi_it->string.lstring
 (gdb) xtype
 (gdb) xstring

where "/path/to/src" is the place where you have the Emacs C sources.

Message #32 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Mon, 27 Oct 2014 07:57:40 +0900

Hello Eli,

On Oct 27 2014, Eli Zaretskii <eliz <at> gnu.org> wrote:

>> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
>> Cc: 18815 <at> debbugs.gnu.org
>> Date: Sun, 26 Oct 2014 14:29:34 +0900
>> 
>> > Let's try.  Please post the latest backtrace again, so I have a
>> > starting point that is identical to yours.
>> >
>> 
>> Attached. 
>
> Thanks.  Please show the output from these GDB commands:
>
>  (gdb) source /path/to/src/.gdbinit
>  (gdb) frame 5
>  (gdb) p bidi_it->string
>  (gdb) p bidi_it->string.lstring
>  (gdb) xtype
>  (gdb) xstring
>
> where "/path/to/src" is the place where you have the Emacs C sources.

Here it is.

--8<---------------cut here---------------start------------->8---
(gdb) source git/build-emacs/emacs/src/.gdbinit
Warning: /home/yagnesh/../lwlib: No such file or directory.
SIGINT is used by the debugger.
Are you sure you want to change it? (y or n) [answered Y; input not from terminal]
DISPLAY = :0
TERM = xterm
Breakpoint 1 at 0x573002: file emacs.c, line 361.
Temporary breakpoint 2 at 0x59bd81: file sysdep.c, line 915.
(gdb) frame 5
#5  0x000000000050fa9d in bidi_level_of_next_char (bidi_it=0x7fffffff3768) at bidi.c:3092
3092	    type = bidi_type_of_next_char (bidi_it);
(gdb) p bidi_it->string
$1 = {
  lstring = 17660721, 
  s = 0x0, 
  schars = 8, 
  bufpos = 0, 
  from_disp_str = false, 
  unibyte = true
}
(gdb) p bidi_it->string.lstring
$2 = 17660721
(gdb) xtype
Lisp_String
(gdb) xstring
$3 = (struct Lisp_String *) 0x10d7b30
" (%l,%c)"
(gdb) 
--8<---------------cut here---------------end--------------->8---

Thanks.,
-- 
ఎందరో మహానుభావులు అందరికి వందనములు.
YYR

Message #35 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Mon, 27 Oct 2014 19:18:31 +0200

> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
> Cc: 18815 <at> debbugs.gnu.org
> Date: Mon, 27 Oct 2014 07:57:40 +0900
> 
> (gdb) frame 5
> #5  0x000000000050fa9d in bidi_level_of_next_char (bidi_it=0x7fffffff3768) at bidi.c:3092
> 3092	    type = bidi_type_of_next_char (bidi_it);
> (gdb) p bidi_it->string
> $1 = {
>   lstring = 17660721, 
>   s = 0x0, 
>   schars = 8, 
>   bufpos = 0, 
>   from_disp_str = false, 
>   unibyte = true
> }
> (gdb) p bidi_it->string.lstring
> $2 = 17660721
> (gdb) xtype
> Lisp_String
> (gdb) xstring
> $3 = (struct Lisp_String *) 0x10d7b30
> " (%l,%c)"

This string comes from column-number-mode.  But if I invoke
column-number-mode, I still cannot reproduce the problem, so there's
something else at work here.  Can you describe what you do to
reproduce the crash?

Also, please show what the following commands produce:

 (gdb) frame 3
 (gdb) p bidi_it->charpos
 (gdb) p bidi_it->next_for_neutral
 (gdb) p bidi_it->prev_for_neutral
 (gdb) p bidi_it->bracket_pairing_pos
 (gdb) p bidi_it->bracket_enclosed_type
 (gdb) p bidi_cache_idx
 (gdb) p bidi_cache_start

Thanks.

Message #38 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Tue, 28 Oct 2014 03:36:04 +0900

Hello Eli,

On Oct 28 2014, Eli Zaretskii <eliz <at> gnu.org> wrote:

>> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
>> Cc: 18815 <at> debbugs.gnu.org
>> Date: Mon, 27 Oct 2014 07:57:40 +0900
>> 
>> (gdb) frame 5
>> #5  0x000000000050fa9d in bidi_level_of_next_char (bidi_it=0x7fffffff3768) at bidi.c:3092
>> 3092	    type = bidi_type_of_next_char (bidi_it);
>> (gdb) p bidi_it->string
>> $1 = {
>>   lstring = 17660721, 
>>   s = 0x0, 
>>   schars = 8, 
>>   bufpos = 0, 
>>   from_disp_str = false, 
>>   unibyte = true
>> }
>> (gdb) p bidi_it->string.lstring
>> $2 = 17660721
>> (gdb) xtype
>> Lisp_String
>> (gdb) xstring
>> $3 = (struct Lisp_String *) 0x10d7b30
>> " (%l,%c)"
>
> This string comes from column-number-mode.  But if I invoke
> column-number-mode, I still cannot reproduce the problem, so there's
> something else at work here.  Can you describe what you do to
> reproduce the crash?

Crashes on different tasks. Using magit, some times C-x C-f.  But one reliable
way was, selecting a url in a buffer with M-x ffap and RET.


> Also, please show what the following commands produce:
>
>  (gdb) frame 3
>  (gdb) p bidi_it->charpos
>  (gdb) p bidi_it->next_for_neutral
>  (gdb) p bidi_it->prev_for_neutral
>  (gdb) p bidi_it->bracket_pairing_pos
>  (gdb) p bidi_it->bracket_enclosed_type
>  (gdb) p bidi_cache_idx
>  (gdb) p bidi_cache_start

Turns out, I don't even know how to run those commands and get the output from
gnome-terminal. With the execution of first command above, bidi.c file came
out in a little box on the top of gnome-terminal which is hindering me to copy
and paste.

Anyway, I tried "M-x gud-gdb" first time ever and got this, let me know I made
a mistake in executing listed commands.

--8<---------------cut here---------------start------------->8---
(gdb) run
Starting program: /home/yagnesh/bin/emacs 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffec5b1700 (LWP 31087)]
[New Thread 0x7fffeb29f700 (LWP 31088)]
[New Thread 0x7fffe9681700 (LWP 31089)]

bidi.c:2856: Emacs fatal error: assertion failed: bidi_it->next_for_neutral.charpos > bidi_it->charpos || (bidi_it->next_for_neutral.charpos == bidi_it->charpos && bidi_it->type == PDI)
Fatal error 6: Aborted
Backtrace:
/home/yagnesh/bin/emacs[0x59d66f]
/home/yagnesh/bin/emacs[0x573081]
/home/yagnesh/bin/emacs[0x5fb968]
/home/yagnesh/bin/emacs[0x50f332]
/home/yagnesh/bin/emacs[0x50f83c]
/home/yagnesh/bin/emacs[0x50fa9d]
/home/yagnesh/bin/emacs[0x510094]
/home/yagnesh/bin/emacs[0x45368b]
/home/yagnesh/bin/emacs[0x45396e]
/home/yagnesh/bin/emacs[0x450dbb]
/home/yagnesh/bin/emacs[0x48871a]
/home/yagnesh/bin/emacs[0x484c83]
/home/yagnesh/bin/emacs[0x4857f3]
/home/yagnesh/bin/emacs[0x4857f3]
/home/yagnesh/bin/emacs[0x4857f3]
/home/yagnesh/bin/emacs[0x4857f3]
/home/yagnesh/bin/emacs[0x48415c]
/home/yagnesh/bin/emacs[0x483cb1]
/home/yagnesh/bin/emacs[0x46eed4]
/home/yagnesh/bin/emacs[0x46448c]
/home/yagnesh/bin/emacs[0x61a4c6]
/home/yagnesh/bin/emacs[0x4643fa]
/home/yagnesh/bin/emacs[0x4632b3]
/home/yagnesh/bin/emacs[0x463d5e]
/home/yagnesh/bin/emacs[0x674772]
/home/yagnesh/bin/emacs[0x4242e9]
/home/yagnesh/bin/emacs[0x57b27e]
/home/yagnesh/bin/emacs[0x58a3ae]
/home/yagnesh/bin/emacs[0x577c32]
/home/yagnesh/bin/emacs[0x61a352]
/home/yagnesh/bin/emacs[0x5774bf]
/home/yagnesh/bin/emacs[0x6197a0]
/home/yagnesh/bin/emacs[0x57746d]
/home/yagnesh/bin/emacs[0x576a91]
/home/yagnesh/bin/emacs[0x576c79]
/home/yagnesh/bin/emacs[0x574a78]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7ffff13cab45]
/home/yagnesh/bin/emacs[0x4152d9]

Program received signal SIGABRT, Aborted.
0x00007ffff176079b in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37
37	../nptl/sysdeps/unix/sysv/linux/pt-raise.c: No such file or directory.
(gdb) frame 5
#5  0x000000000050fa9d in bidi_level_of_next_char (bidi_it=0x7fffffff36a8) at bidi.c:3092
(gdb) p bidi_it->string
$1 = {lstring = 17660721, s = 0x0, schars = 8, bufpos = 0, from_disp_str = false, unibyte = true}
(gdb) p bidi_it->string.lstring
$2 = 17660721
(gdb) xtype
Undefined command: "xtype".  Try "help".
(gdb) source ~/git/build-emacs/emacs/src/.gdbinit
Warning: /home/yagnesh/../lwlib: No such file or directory.
SIGINT is used by the debugger.
Are you sure you want to change it? (y or n) [answered Y; input not from terminal]
DISPLAY = :0
TERM = dumb
Breakpoint 1 at 0x573002: file emacs.c, line 361.
Temporary breakpoint 2 at 0x59bd81: file sysdep.c, line 915.
(gdb) xtype
Lisp_String
(gdb) xstring
$3 = (struct Lisp_String *) 0x10d7b30
" (%l,%c)"
(gdb) frame 3
#3  0x000000000050f332 in bidi_resolve_neutral (bidi_it=0x7fffffff36a8) at bidi.c:2852
(gdb) p bidi_it->charpos
$4 = 7
(gdb) p bidi_it->next_for_neutral
$5 = {
  charpos = 7, 
  type = STRONG_L, 
  orig_type = UNKNOWN_BT
}
(gdb) p bidi_it->prev_for_neutral
$6 = {
  charpos = 6, 
  type = STRONG_L, 
  orig_type = STRONG_L
}
(gdb) p bidi_it->bracket_pairing_pos
$7 = -1
(gdb) p bidi_it->bracket_enclosed_type
$8 = UNKNOWN_BT
(gdb) p bidi_cache_idx
$9 = 3
(gdb) p bidi_cache_start
$10 = 2
(gdb)
--8<---------------cut here---------------end--------------->8---


Thanks.,
-- 
ఎందరో మహానుభావులు అందరికి వందనములు.
YYR

Message #41 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Mon, 27 Oct 2014 21:10:28 +0200

> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
> Cc: 18815 <at> debbugs.gnu.org
> Date: Tue, 28 Oct 2014 03:36:04 +0900
> 
> > This string comes from column-number-mode.  But if I invoke
> > column-number-mode, I still cannot reproduce the problem, so there's
> > something else at work here.  Can you describe what you do to
> > reproduce the crash?
> 
> Crashes on different tasks. Using magit, some times C-x C-f.  But one reliable
> way was, selecting a url in a buffer with M-x ffap and RET.

So, if you start Emacs, visit a file with URLs, then "M-x ffap RET",
you get a crash, just like that?  Or do you need Emacs to run for some
time before it crashes with ffap?

> (gdb) xstring
> $3 = (struct Lisp_String *) 0x10d7b30
> " (%l,%c)"
> (gdb) frame 3
> #3  0x000000000050f332 in bidi_resolve_neutral (bidi_it=0x7fffffff36a8) at bidi.c:2852
> (gdb) p bidi_it->charpos
> $4 = 7
> (gdb) p bidi_it->next_for_neutral
> $5 = {
>   charpos = 7, 
>   type = STRONG_L, 
>   orig_type = UNKNOWN_BT
> }
> (gdb) p bidi_it->prev_for_neutral
> $6 = {
>   charpos = 6, 
>   type = STRONG_L, 
>   orig_type = STRONG_L
> }
> (gdb) p bidi_it->bracket_pairing_pos
> $7 = -1
> (gdb) p bidi_it->bracket_enclosed_type
> $8 = UNKNOWN_BT
> (gdb) p bidi_cache_idx
> $9 = 3
> (gdb) p bidi_cache_start
> $10 = 2

This means your mode line has some non-trivial setup, and it is most
probably that setup which triggers the problem.  Can you please tell
which modes of those you invoke affect the mode line?  I want to be
able to reproduce this problem on my system, because otherwise I don't
see how I can solve this just by asking you to look around in the
crashed session.

Thanks.

Message #44 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Tue, 28 Oct 2014 12:14:35 +0900

Hello Eli,

On Oct 28 2014, Eli Zaretskii <eliz <at> gnu.org> wrote:

> So, if you start Emacs, visit a file with URLs, then "M-x ffap RET",
> you get a crash, just like that?

Yes. Simply like that. 

> This means your mode line has some non-trivial setup, and it is most
> probably that setup which triggers the problem.  Can you please tell
> which modes of those you invoke affect the mode line?  

Yes I just noticed that, the file has be elisp-mode and also in some
particular directory (el-get repository, may some thing to do its dir-locals,
don't really know anything).

> I want to be able to reproduce this problem on my system, because otherwise
> I don't see how I can solve this just by asking you to look around in the
> crashed session.

One thing I can do is giving shell access to you with active gdb session
running (via GNU screen). If its okay for you, I will write a private mail.

Thanks.,
--
ఎందరో మహానుభావులు అందరికి వందనములు.
YYR

Message #47 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Tue, 28 Oct 2014 05:38:25 +0200

> From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
> Cc: 18815 <at> debbugs.gnu.org
> Date: Tue, 28 Oct 2014 12:14:35 +0900
> 
> One thing I can do is giving shell access to you with active gdb session
> running (via GNU screen). If its okay for you, I will write a private mail.

Please do.  But I also need a way to re-run Emacs again on that
machine, and I need a reproducible recipe (on that machine) in order
to see how this bug develops.

Thanks.

Message #50 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Tue, 28 Oct 2014 13:42:50 +0900

Hello Eli,

On Oct 28 2014, Eli Zaretskii <eliz <at> gnu.org> wrote:

> Please do.  But I also need a way to re-run Emacs again on that
> machine, and I need a reproducible recipe (on that machine) in order
> to see how this bug develops.

Sent details offline.

Thanks.,
-- 
ఎందరో మహానుభావులు అందరికి వందనములు.
YYR

Message #53 received at 18815 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 18815 <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Sun, 13 Oct 2019 03:30:48 +0200

Yagnesh Raghava Yakkala <hi <at> yagnesh.org> writes:

> Hello Eli,
>
> On Oct 28 2014, Eli Zaretskii <eliz <at> gnu.org> wrote:
>
>> Please do.  But I also need a way to re-run Emacs again on that
>> machine, and I need a reproducible recipe (on that machine) in order
>> to see how this bug develops.
>
> Sent details offline.

This was the final message in this bug report.

Was there any further progress made?  It's four years ago now, so it
seems unlikely that more could be done at this point if it didn't happen
back then.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #58 received at 18815-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: hi <at> yagnesh.org, 18815-done <at> debbugs.gnu.org
Subject: Re: bug#18815: 25.0.50; emacs crash
Date: Sun, 13 Oct 2019 10:11:23 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  18815 <at> debbugs.gnu.org
> Date: Sun, 13 Oct 2019 03:30:48 +0200
> 
> Yagnesh Raghava Yakkala <hi <at> yagnesh.org> writes:
> 
> > Hello Eli,
> >
> > On Oct 28 2014, Eli Zaretskii <eliz <at> gnu.org> wrote:
> >
> >> Please do.  But I also need a way to re-run Emacs again on that
> >> machine, and I need a reproducible recipe (on that machine) in order
> >> to see how this bug develops.
> >
> > Sent details offline.
> 
> This was the final message in this bug report.
> 
> Was there any further progress made?  It's four years ago now, so it
> seems unlikely that more could be done at this point if it didn't happen
> back then.

My records indicate that this bug was fixed by commit b6a7474.
Yagnesh told me that change fixed the crashes, and I asked him
(off-list) to close the bug report, but that never happened.

So I'm closing this bug now.  Thanks.

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