bug#64866: 30.0.50; Emacsclient block for 2 seconds when error is raised from command

[Yikai Zhao]

After updating to recent master version of emacs, emacsclient would
block for an extra 2 seconds when some error is raised from command.

Minimal reproducable command:

  emacsclient -s <...> -e '(error "x")'

Expected behavior: this command should return immediately
Current behavior: this command take 2 second


Why it affects me:

I bind some keyboard shortcut globally to a script to move either from
emacs window or i3wm window. It does something like this:

   emacsclient -e '(windmove-right)' || i3-msg focus right

It rely on the behavior that, if I'm currently in the rightmost emacs
buffer, '(windmove-right)' would return an error and fallback to use
i3-msg to move to another frame. With this bug I mentioned, it would
introduce 2-second delay on this action.



In GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
 3.24.38, cairo version 1.17.8) of 2023-07-23 built on lilac-0
Repository revision: 5d2d28458d0eb378a7e94363ef716e8648ef129a
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101008
System Description: Arch Linux

Configured using:
 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
 --localstatedir=/var --mandir=/usr/share/man --with-gameuser=:games
 --with-modules --without-libotf --without-m17n-flt --without-gconf
 --with-native-compilation=yes --with-native-compilation=aot
 --with-sound=no --with-xwidgets --with-tree-sitter --without-gpm
 '--program-transform-name=s/\([ec]tags\)/\1.emacs/'
 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe -fno-plt -fexceptions
 -Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security
 -fstack-clash-protection -fcf-protection -g
 
-ffile-prefix-map=/build/emacs-native-comp-git/src=/usr/src/debug/emacs-native-comp-git
 -flto=auto' 'LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now
 -flto=auto''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LCMS2 LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG
RSVG SECCOMP SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP
X11 XDBE XIM XINPUT2 XPM XWIDGETS GTK3 ZLIB

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

Major mode: VTerm

Minor modes in effect:
  sudo-edit-indicator-mode: t
  windmove-mode: t
  projectile-mode: t
  recentf-mode: t
  global-git-commit-mode: t
  magit-auto-revert-mode: t
  pixel-scroll-precision-mode: t
  server-mode: t
  winner-mode: t
  global-auto-revert-mode: t
  save-place-mode: t
  vertico-mode: t
  which-key-mode: t
  global-evil-visualstar-mode: t
  evil-visualstar-mode: t
  evil-snipe-mode: t
  evil-snipe-local-mode: t
  evil-owl-mode: t
  global-evil-surround-mode: t
  evil-surround-mode: t
  evil-commentary-mode: t
  evil-mode: t
  evil-local-mode: t
  override-global-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  buffer-read-only: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/blahgeek/.emacs.d/lib/cmake-mode/cmake-mode hides 
/usr/share/emacs/site-lisp/cmake-mode
/home/blahgeek/.emacs.d/lib/protobuf-mode/protobuf-mode hides 
/usr/share/emacs/site-lisp/protobuf-mode
/home/blahgeek/.emacs.d/lib/transient/lisp/transient hides 
/usr/share/emacs/30.0.50/lisp/transient
/home/blahgeek/.emacs.d/lib/use-package/use-package hides 
/usr/share/emacs/30.0.50/lisp/use-package/use-package
/home/blahgeek/.emacs.d/lib/use-package/use-package-lint hides 
/usr/share/emacs/30.0.50/lisp/use-package/use-package-lint
/home/blahgeek/.emacs.d/lib/use-package/use-package-jump hides 
/usr/share/emacs/30.0.50/lisp/use-package/use-package-jump
/home/blahgeek/.emacs.d/lib/use-package/use-package-ensure hides 
/usr/share/emacs/30.0.50/lisp/use-package/use-package-ensure
/home/blahgeek/.emacs.d/lib/use-package/use-package-ensure-system-package hides 
/usr/share/emacs/30.0.50/lisp/use-package/use-package-ensure-system-package
/home/blahgeek/.emacs.d/lib/use-package/use-package-diminish hides 
/usr/share/emacs/30.0.50/lisp/use-package/use-package-diminish
/home/blahgeek/.emacs.d/lib/use-package/use-package-delight hides 
/usr/share/emacs/30.0.50/lisp/use-package/use-package-delight
/home/blahgeek/.emacs.d/lib/use-package/use-package-core hides 
/usr/share/emacs/30.0.50/lisp/use-package/use-package-core
/home/blahgeek/.emacs.d/lib/use-package/use-package-bind-key hides 
/usr/share/emacs/30.0.50/lisp/use-package/use-package-bind-key
/home/blahgeek/.emacs.d/lib/use-package/bind-key hides 
/usr/share/emacs/30.0.50/lisp/use-package/bind-key

Features:
(shadow sort mail-extr emacsbug evil-collection-woman woman
evil-collection-man man rfc2104 sudo-edit conf-mode cl-print pulse
consult-xref jka-compr evil-collection-shortdoc shortdoc dired-aux
dired-x help-fns tramp-cmds windmove tramp-cache time-stamp
lsp-diagnostics lsp-modeline evil-collection-view view lsp-zig lsp-tilt
lsp-steep lsp-svelte lsp-sqls lsp-ruby-syntax-tree lsp-ruby-lsp lsp-yaml
lsp-xml lsp-vimscript lsp-vhdl lsp-volar lsp-vetur lsp-html lsp-verilog
lsp-vala lsp-v lsp-typeprof lsp-ttcn3 lsp-toml lsp-terraform lsp-tex
lsp-sorbet lsp-solargraph lsp-rust lsp-rf lsp-ruff-lsp lsp-remark
lsp-racket lsp-r lsp-purescript lsp-pylsp lsp-pyls lsp-pwsh lsp-php
lsp-pls lsp-perlnavigator lsp-perl lsp-openscad lsp-ocaml lsp-magik
lsp-nix lsp-nim lsp-nginx lsp-mint lsp-marksman lsp-markdown lsp-lua
lsp-kotlin lsp-json lsp-javascript lsp-idris lsp-haxe lsp-groovy
lsp-hack lsp-graphql lsp-glsl lsp-gleam lsp-go lsp-completion
lsp-gdscript lsp-fsharp lsp-fortran lsp-eslint lsp-erlang lsp-emmet
lsp-elixir lsp-elm lsp-dockerfile lsp-dhall lsp-d lsp-css lsp-csharp
gnutls lsp-crystal lsp-cmake lsp-clojure lsp-semantic-tokens lsp-clangd
dom lsp-beancount lsp-bash lsp-astro lsp-ansible lsp-angular lsp-ada
lsp-actionscript lsp-haskell haskell-mode haskell-cabal haskell-utils
haskell-font-lock haskell-indentation haskell-string
haskell-sort-imports haskell-lexeme haskell-align-imports
haskell-complete-module haskell-ghc-support evil-collection-flymake
flymake-proc flymake etags fileloop generator dabbrev haskell-customize
lsp-pyright lsp-mode lsp-protocol evil-collection-xref xref spinner
network-stream nsm evil-collection-markdown-mode markdown-mode lv inline
ht ewoc vertico-directory evil-vimish-fold vimish-fold f f-shortdoc
git-gutter-fringe fringe-helper git-gutter flycheck-posframe posframe
flycheck-google-cpplint evil-collection-flycheck flycheck ligature
whitespace hl-line display-line-numbers elec-pair hl-todo dtrt-indent
tempel copilot evil-collection-org org ob ob-tangle ob-ref ob-lob
ob-table ob-exp org-macro org-src ob-comint org-pcomplete org-list
org-footnote org-faces org-entities evil-collection-outline noutline
outline ob-emacs-lisp ob-core ob-eval org-cycle org-table ol org-fold
org-fold-core org-keys oc org-loaddefs evil-collection-calendar cal-menu
calendar cal-loaddefs org-version org-compat org-macs editorconfig
editorconfig-core editorconfig-core-handle editorconfig-fnmatch s
jsonrpc xonsh-mode evil-collection-sh-script sh-script smie executable
evil-collection-python python treesit orderless projectile project
evil-collection-grep grep ibuf-ext evil-collection-ibuffer ibuffer
ibuffer-loaddefs recentf tree-widget wid-edit evil-collection-consult
consult autoinsert vc-hg vc-bzr vc-src vc-sccs vc-svn vc-cvs vc-rcs
evil-collection-log-view log-view evil-collection-vc-git vc-git vc
vc-dispatcher bug-reference company-keywords company-dabbrev-code
company-dabbrev company-capf company-files company magit-bookmark
evil-collection-magit magit-submodule magit-blame magit-stash
magit-reflog magit-bisect magit-push magit-pull magit-fetch magit-clone
magit-remote magit-commit magit-sequence magit-notes magit-worktree
magit-tag magit-merge magit-branch magit-reset magit-files magit-refs
magit-status magit evil-collection-package-menu package browse-url url
url-proxy url-privacy url-expand url-methods url-history url-cookie
url-domsuf url-util url-handlers magit-repos magit-apply magit-wip
magit-log which-func evil-collection-imenu imenu magit-diff smerge-mode
diff evil-collection-diff-mode diff-mode git-commit
evil-collection-log-edit log-edit message sendmail mailcap yank-media
puny rfc822 mml mml-sec evil-collection-epa epa derived epg rfc6068
epg-config gnus-util mm-decode mm-bodies mm-encode mail-parse rfc2231
rfc2047 rfc2045 mm-util ietf-drums mail-prsvr mailabbrev mail-utils
gmm-utils mailheader pcvs-util add-log magit-core magit-autorevert
magit-margin magit-transient magit-process with-editor magit-mode
transient magit-git magit-base evil-collection-magit-section
magit-section cursor-sensor crm dash time pixel-scroll cua-base
auth-source-pass url-parse url-vars server fcitx dbus xml winner
evil-collection-vterm vterm evil-collection-bookmark bookmark pp
face-remap evil-collection-compile compile text-property-search
evil-collection-term term disp-table ehelp find-func vterm-module
term/xterm xterm cc-styles cc-align cc-engine cc-vars cc-defs
google-c-style autorevert filenotify saveplace tramp-sh tramp
tramp-loaddefs trampver tramp-integration files-x tramp-compat xdg shell
pcomplete evil-collection-comint comint ansi-osc parse-time iso8601
time-date auth-source eieio eieio-core password-cache json map
ansi-color cus-load evil-collection-vertico vertico compat
solarized-light-theme solarized-theme solarized solarized-faces color
evil-collection-which-key which-key fringe-scale switch-buffer-functions
evil-visualstar evil-snipe evil-owl format-spec evil-surround
evil-commentary evil-commentary-integration
evil-collection-tabulated-list evil-collection-tab-bar
evil-collection-simple evil-collection-replace
evil-collection-process-menu evil-collection-info evil-collection-indent
evil-collection-image image-mode evil-collection-dired dired
dired-loaddefs exif evil-collection-help evil-collection-elisp-mode
evil-collection-eldoc evil-collection-buff-menu evil-collection annalist
evil evil-integration evil-maps evil-commands reveal evil-jumps
evil-command-window evil-search evil-ex evil-types evil-macros
evil-repeat evil-states evil-core advice evil-common thingatpt rect
evil-digraphs evil-vars ring edmacro kmacro byte-opt delight comp
comp-cstr warnings icons cl-macs gv use-package use-package-ensure
use-package-delight use-package-diminish use-package-bind-key bind-key
easy-mmode use-package-core yaml-mode-autoloads xonsh-mode-autoloads
with-editor-autoloads which-key-autoloads wgrep-autoloads
vterm-autoloads vimrc-mode-autoloads vimish-fold-autoloads
vertico-autoloads use-package-autoloads treepy-autoloads
transient-autoloads tempel-autoloads switch-buffer-functions-autoloads
suggest-autoloads sudo-edit-autoloads spinner-autoloads
solarized-theme-autoloads s-autoloads rust-mode-autoloads rg-autoloads
rainbow-mode-autoloads pydoc-autoloads protobuf-mode-autoloads
projectile-autoloads pr-review-autoloads posframe-autoloads
popup-autoloads pkg-info-autoloads package-lint-autoloads
org-tree-slide-autoloads orderless-autoloads markdown-mode-autoloads
magit-autoloads lv-autoloads lua-mode-autoloads lsp-pyright-autoloads
lsp-mode-autoloads lsp-haskell-autoloads loop-autoloads llama-autoloads
ligature-autoloads kotlin-mode-autoloads just-mode-autoloads
jsonnet-mode-autoloads jinja2-mode-autoloads ht-autoloads
hl-todo-autoloads haskell-mode-autoloads groovy-mode-autoloads
gptel-autoloads goto-chg-autoloads google-c-style-autoloads
go-mode-autoloads gn-mode-autoloads git-link-autoloads
git-gutter-fringe-autoloads git-gutter-autoloads ghub-autoloads
fringe-helper-autoloads flycheck-posframe-autoloads
flycheck-package-autoloads flycheck-autoloads fish-mode-autoloads
fcitx-autoloads f-autoloads exec-path-from-shell-autoloads
evil-visualstar-autoloads evil-vimish-fold-autoloads
evil-surround-autoloads evil-snipe-autoloads evil-owl-autoloads
evil-commentary-autoloads evil-collection-autoloads evil-autoloads
epl-autoloads epkg-autoloads embark-autoloads emacsql-autoloads
emacs-fringe-scale-autoloads editorconfig-autoloads dumb-jump-autoloads
dtrt-indent-autoloads dockerfile-mode-autoloads
devdocs-browser-autoloads delight-autoloads dash-autoloads
cuda-mode-autoloads corfu-autoloads copilot-autoloads
consult-flycheck-autoloads consult-autoloads compat-autoloads
company-emoji-autoloads company-autoloads cmake-mode-autoloads
closql-autoloads bpftrace-mode-autoloads borg-autoloads bazel-autoloads
rx annalist-autoloads cl-extra help-mode add-node-modules-path-autoloads
cl-seq borg loaddefs-gen generate-lisp-file lisp-mnt radix-tree subr-x
pcase info cl-loaddefs cl-lib bytecomp byte-compile rmc iso-transl
tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock
font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq
simple cl-generic indonesian philippine cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese composite emoji-zwj charscript charprop case-table
epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button
loaddefs theme-loaddefs faces cus-face macroexp files window
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget keymap hashtable-print-readable backquote threads
xwidget-internal dbusbind inotify lcms2 dynamic-setting
system-font-setting font-render-setting cairo gtk x-toolkit xinput2 x
multi-tty move-toolbar make-network-process native-compile emacs)

Memory information:
((conses 16 914042 1065405) (symbols 48 49562 0)
 (strings 32 230924 32235) (string-bytes 1 8178630)
 (vectors 16 107518) (vector-slots 8 2649746 403281)
 (floats 8 648 8033) (intervals 56 29932 3912) (buffers 984 39))