GNU bug report logs - #79690
29.3; emacsclient not opening window

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

From: "Avraham M. Pinkas" <ampinkas <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.3; emacsclient not opening window
Date: Fri, 24 Oct 2025 15:56:05 +0300

thank you for making Emacs, an amazing editor, and keeping it running 
also on TTY.

after opening Emacs (also as emacs -Q) in a TTY (real, as gotten to on 
Linux using C-M-<F3>),
 starting the server (M-x server-start),
I tried to open a client window on a TTY as
$ emacsclient -nw
sometimes it opens properly, often it exits immediately.
when not opening a new window emacsclient works properly.

when the original Emacs is under X (GUI), opening another window on a
TTY works, but locks, changing only when switching back to X (as with
M-<left arrow>), seeming that processor time is only given while X is
selected (in which case this is not Emacs`s fault, but may be solvable 
anyway).

when running Emacs as a daemon (emacs --daemon) i have not had any
problems. this may be a valid work-around.

thank you

Avraham


In GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.41,
 cairo version 1.18.0) of 2024-04-01, modified by Debian built on
 lcy02-amd64-083
System Description: Ubuntu 24.04.3 LTS

Configured using:
 'configure --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/libexec
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-libsystemd --with-pop=yes
 --enable-locallisppath=/etc/emacs:/usr/local/share/emacs/29.3/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.3/site-lisp:/usr/share/emacs/site-lisp
 --with-sound=alsa --without-gconf --with-mailutils
 --with-native-compilation --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/libexec
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-libsystemd --with-pop=yes
 --enable-locallisppath=/etc/emacs:/usr/local/share/emacs/29.3/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.3/site-lisp:/usr/share/emacs/site-lisp
 --with-sound=alsa --without-gconf --with-mailutils
 --with-native-compilation --with-cairo --with-x=yes
 --with-x-toolkit=gtk3 --with-toolkit-scroll-bars 'CFLAGS=-g -O2
 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
 -ffile-prefix-map=/build/emacs-0yuuFP/emacs-29.3+1=. 
-fstack-protector-strong
 -fstack-clash-protection -Wformat -Werror=format-security
 -fcf-protection
 -fdebug-prefix-map=/build/emacs-0yuuFP/emacs-29.3+1=/usr/src/emacs-1:29.3+1-1ubuntu2
 -Wall' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=3'
 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES
NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3
THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2
XPM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  server-mode: t
  gpm-mouse-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: linux
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message mailcap yank-media puny dired
dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068
epg-config gnus-util text-property-search time-date mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs
comp comp-cstr warnings icons subr-x rx cl-seq cl-macs gv cl-extra
help-mode bytecomp byte-compile cl-lib sendmail rfc2047 rfc2045
ietf-drums mm-util mail-prsvr mail-utils server t-mouse term/linux 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 dbusbind inotify lcms2 dynamic-setting system-font-setting
font-render-setting cairo move-toolbar gtk x-toolkit xinput2 x multi-tty
make-network-process native-compile emacs)

Memory information:
((conses 16 76524 10520)
 (symbols 48 7181 0)
 (strings 32 18993 2831)
 (string-bytes 1 573423)
 (vectors 16 12563)
 (vector-slots 8 272703 11798)
 (floats 8 26 298)
 (intervals 56 290 0)
 (buffers 984 11))

Message #8 received at 79690 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: "Avraham M. Pinkas" <ampinkas <at> gmail.com>
Cc: 79690 <at> debbugs.gnu.org
Subject: Re: bug#79690: 29.3; emacsclient not opening window
Date: Fri, 24 Oct 2025 16:27:20 +0300

> Date: Fri, 24 Oct 2025 15:56:05 +0300
> From: "Avraham M. Pinkas" <ampinkas <at> gmail.com>
> 
> after opening Emacs (also as emacs -Q) in a TTY (real, as gotten to on 
> Linux using C-M-<F3>),
>   starting the server (M-x server-start),
> I tried to open a client window on a TTY as
> $ emacsclient -nw
> sometimes it opens properly, often it exits immediately.
> when not opening a new window emacsclient works properly.
> 
> when the original Emacs is under X (GUI), opening another window on a
> TTY works, but locks, changing only when switching back to X (as with
> M-<left arrow>), seeming that processor time is only given while X is
> selected (in which case this is not Emacs`s fault, but may be solvable 
> anyway).

I cannot reproduce any of these problems with Emacs 29 that I compiled
myself.  Since your Emacs is "modified by Debian", as this says:

> In GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.41,
>   cairo version 1.18.0) of 2024-04-01, modified by Debian built on
>   lcy02-amd64-083

> System Description: Ubuntu 24.04.3 LTS

I suggest to take this up with the maintainers of the Debian or Ubuntu
distro of Emacs, perhaps they will be able to reproduce and investigate.

Thanks.

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