bug#29867: 24.5; FAILED: update TAGS(2)

[Qian Wan]

Message-ID: 
<87bmikwoca.fsf@qian2-OptiPlex-7020.i-did-not-set--mail-host-address--so-tickle-me>
--text follows this line--

I work with C++ mode and helm-gtags, when I save file(press 'C-x s'), it 
always prompts
the message "Failed: update TAGS(2)"



In GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9)
of 2017-09-21 on lcy01-07, modified by Debian
System Description: Ubuntu 16.04.3 LTS

Configured using:
`configure --build x86_64-linux-gnu --prefix=/usr
--sharedstatedir=/var/lib --libexecdir=/usr/lib
--localstatedir=/var/lib --infodir=/usr/share/info
--mandir=/usr/share/man --with-pop=yes
--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.5/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.5/site-lisp:/usr/share/emacs/site-lisp 

--build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
--libexecdir=/usr/lib --localstatedir=/var/lib
--infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.5/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.5/site-lisp:/usr/share/emacs/site-lisp 

--with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars
'CFLAGS=-g -O2 -fstack-protector-strong -Wformat
-Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time
-D_FORTIFY_SOURCE=2' 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro''

Important settings:
value of $LC_MONETARY: zh_CN.UTF-8
value of $LC_NUMERIC: zh_CN.UTF-8
value of $LC_TIME: zh_CN.UTF-8
value of $LANG: en_US.UTF-8
value of $XMODIFIERS: @im=fcitx
locale-coding-system: utf-8-unix

Major mode: C++/l

Minor modes in effect:
golden-ratio-mode: t
winner-mode: t
global-linum-mode: t
linum-mode: t
smartparens-global-mode: t
smartparens-mode: t
global-anzu-mode: t
anzu-mode: t
dtrt-indent-mode: t
clean-aindent-mode: t
global-undo-tree-mode: t
undo-tree-mode: t
volatile-highlights-mode: t
delete-selection-mode: t
global-hl-line-mode: t
global-auto-revert-mode: t
workgroups-mode: t
global-ede-mode: t
ede-minor-mode: t
global-semantic-idle-scheduler-mode: t
semantic-idle-scheduler-mode: t
global-semanticdb-minor-mode: t
semantic-stickyfunc-mode: t
global-semantic-stickyfunc-mode: t
semantic-mode: t
helm-gtags-mode: t
helm-mode: t
async-bytecomp-package-mode: t
projectile-mode: t
global-company-mode: t
company-mode: t
override-global-mode: t
tooltip-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
size-indication-mode: t
column-number-mode: t
line-number-mode: t
transient-mark-mode: t
abbrev-mode: t

Recent messages:
Switched: First workgroup
Loaded: ~/.emacs_workgroups
Workgroups Mode: on
For information about GNU Emacs and the GNU system, type C-h C-a.
Mark saved where search started
Auto-saving...done
highlight-symbol-jump: No symbol at point
Saving file /home/qian2/experiments/mapf/sourcefiles/main.cpp...
Wrote /home/qian2/experiments/mapf/sourcefiles/main.cpp
Failed: update TAGS(2)

Load-path shadows:
/usr/share/emacs24/site-lisp/cmake-data/cmake-mode hides 
/usr/share/emacs/site-lisp/cmake-mode
/usr/share/emacs/24.5/site-lisp/debian-startup hides 
/usr/share/emacs/site-lisp/debian-startup

Features:
(shadow sort mail-extr emacsbug message format-spec rfc822 mml mml-sec
mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
mailheader sendmail rfc2047 rfc2045 ietf-drums mail-utils eieio-opt
find-func helm-command helm-elisp helm-eval edebug helm-info
semantic/tag-write misearch multi-isearch semantic/edit
ido-completing-read+ memoize cus-edit cus-start cus-load minibuf-eldef
ido xterm yasnippet highlight-numbers parent-mode goto-addr finder-inf
function-args json semantic-directory semantic/ia semantic/senator ivy
flx ivy-overlay ffap url-parse auth-source gnus-util mm-util mail-prsvr
password-cache url-vars setup-communication em-alias pcomplete esh-var
esh-io esh-cmd esh-opt esh-ext esh-proc esh-arg eldoc esh-groups eshell
esh-module esh-mode esh-util setup-applications highlight-symbol
setup-faces golden-ratio winner setup-environment setup-editing
sr-speedbar linum rebox2 duplicate-thing smartparens help-mode anzu
mule-util ws-butler dtrt-indent clean-aindent-mode undo-tree diff
volatile-highlights delsel setup-development saveplace setup-data
expand-region text-mode-expansions cc-mode-expansions
er-basic-expansions expand-region-core expand-region-custom hl-line
autorevert filenotify ede/cpp-root semantic/tag-file semantic/db-file
data-debug cedet-files semantic/bovine/c semantic/decorate/include
semantic/decorate/mode semantic/decorate hideif semantic/bovine/c-by
semantic/lex-spp semantic/bovine/gcc semantic/dep semantic/bovine
semantic/analyze/refs semantic/db-find semantic/db-ref semantic/analyze
semantic/sort semantic/scope semantic/analyze/fcn time-date cc-langs
workgroups2 anaphora cl f dash s setup-convenience setup-cedet
ede/speedbar ede/files ede ede/base ede/auto ede/source eieio-speedbar
speedbar sb-image dframe eieio-custom wid-edit semantic/idle
semantic/format ezimage semantic/tag-ls semantic/find semantic/ctxt
semantic/db-mode semantic/db eieio-base semantic/util-modes
semantic/util semantic semantic/tag semantic/lex semantic/fw mode-local
cedet cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align
cc-engine cc-vars cc-defs setup-helm-gtags helm-gtags subr-x pulse
which-func imenu setup-helm helm-projectile helm-mode helm-files
helm-buffers helm-tags helm-locate helm-types helm-grep helm-regexp
helm-utils helm-help helm helm-source eieio eieio-core helm-multi-match
helm-config helm-easymenu async-bytecomp async helm-lib setup-general
windmove byte-opt projectile advice help-fns grep compile comint
ansi-color ibuf-ext ibuffer thingatpt company-c-headers rx warnings
company-oddmuse company-keywords company-etags etags ring company-gtags
company-dabbrev-code company-dabbrev company-files company-capf
company-cmake company-xcode company-clang company-semantic company-eclim
company-template company-css company-nxml company-bbdb company pcase
cl-macs gv edmacro kmacro use-package use-package-ensure
use-package-delight use-package-diminish use-package-bind-key bind-key
easy-mmode use-package-core bytecomp byte-compile cl-extra cl-loaddefs
cl-lib cconv info easymenu package epg-config tooltip 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 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 446917 452285)
(symbols 48 48994 16)
(miscs 40 404 548)
(strings 32 107672 264886)
(string-bytes 1 3384495)
(vectors 16 42095)
(vector-slots 8 772482 230462)
(floats 8 607 1189)
(intervals 56 1808 587)
(buffers 960 17)
(heap 1024 65286 25979))