--text follows this line-- First I just pick a large file. Then I try to scroll down. This works with both the LUCID and MOTIF builds that I have made on this system. But with GTK3 there is a big lag where nothing happens. In this case, I counted 13s. Then there is a scroll. Here's what view-lossage shows... ;; recentf-open-most-recent-file-3 ;; ignore ;; mwheel-scroll ;; ignore ;; mwheel-scroll ;; ignore ;; mwheel-scroll ;; ignore ;; mwheel-scroll ;; ignore ;; mwheel-scroll ;; ignore ;; mwheel-scroll ;; ignore ;; ignore ;; ignore ;; mwheel-scroll ;; ignore ;; mwheel-scroll ;; ignore ;; ignore ;; ignore ;; mwheel-scroll ;; ignore ;; ignore ;; ignore ;; mwheel-scroll ;; ignore ;; ignore ;; ignore ;; ignore ;; ignore ;; mwheel-scroll ;; ignore ;; ignore ;; ignore ;; ignore ;; ignore ;; ignore ;; ignore ;; ignore ;; ignore ;; ignore ;; ignore l ;; view-lossage In GNU Emacs 29.2 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30, cairo version 1.15.12) of 2024-03-22 built on gouda.biostat.mcw.edu Windowing system distributor 'The X.Org Foundation', version 11.0.12101006 System Description: CentOS Linux 7 (Core) Configured using: 'configure --prefix=/usr/local/emacs/29.2/gtk --with-x-toolkit=gtk --with-gnutls 'CFLAGS=-g -O2 -mtune=native'' Configured features: CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG LIBSELINUX LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG SOUND THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB Important settings: value of $LC_ALL: C value of $LANG: en_US.UTF-8 locale-coding-system: nil Major mode: Help Minor modes in effect: delete-selection-mode: t recentf-mode: t dired-omit-mode: t tabbar-mwheel-mode: t tabbar-mode: t shell-dirtrack-mode: t global-eldoc-mode: t show-paren-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t isearch-fold-quotes-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t buffer-read-only: t column-number-mode: t line-number-mode: t indent-tabs-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: /home/rsparapa/.emacs.d/elpa/julia-mode-0.4/julia-mode-latexsubs hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/ess/lisp/julia-mode-latexsubs /home/rsparapa/.emacs.d/elpa/julia-mode-0.4/julia-mode hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/ess/lisp/julia-mode /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/test hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-markdown/targets/test /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/melpa hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-markdown/targets/melpa /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/melpa-init hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-markdown/targets/melpa-init /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/local hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-markdown/targets/local /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/lint hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-markdown/targets/lint /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/checkdoc hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-markdown/targets/checkdoc /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/test hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-noweb/targets/test /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/melpa hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-noweb/targets/melpa /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/melpa-init hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-noweb/targets/melpa-init /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/local hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-noweb/targets/local /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/lint hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-noweb/targets/lint /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/checkdoc hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-noweb/targets/checkdoc /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-markdown/targets/utils hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/polymode/template/targets/utils /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/polymode/targets/poly-targets hides /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/polymode/template/targets/poly-targets /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/ess-smart-equals/features/support/env hides /usr/local/emacs/29.2/gtk/share/emacs/29.2/lisp/env /usr/local/emacs/29.2/gtk/share/emacs/site-lisp/poly-R/targets/checkdoc hides /usr/local/emacs/29.2/gtk/share/emacs/29.2/lisp/emacs-lisp/checkdoc Features: (shadow sort mail-extr emacsbug message yank-media puny rfc822 mml mml-sec epa epg rfc6068 epg-config gnus-util mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils ffap sh-script smie treesit executable ess-font-lock ess-site ess-toolbar ess-jags-d ess-bugs-d ess-bugs-l essd-els ess-sas-d ess-sas-l ess-sas-a ess-sp6-d doc-view filenotify jka-compr image-mode exif tex-site auto-loads delsel recentf tree-widget ps-print ps-print-loaddefs lpr dired-x dired dired-loaddefs tabbar poly-R poly-markdown poly-noweb polymode poly-lock polymode-base polymode-export polymode-weave polymode-compat advice polymode-methods polymode-core polymode-classes eieio-custom wid-edit eieio-base markdown-mode pcase color tsdh-dark-theme stan-snippets yasnippet easy-mmode stan-mode derived stan-keywords-lists cc-langs cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs word-count ess-smart-equals cl-extra help-mode ess-r-mode ess-r-flymake flymake-proc flymake warnings thingatpt ess-r-xref xref ess-trns ess-r-package ess-r-completion ess-roxy ess-r-syntax ess-rd noutline outline icons hideshow ess-s-lang ess-help info ess-mode ess-inf ess-tracebug tramp tramp-loaddefs trampver tramp-integration files-x tramp-compat rx shell pcomplete parse-time iso8601 time-date format-spec ess lisp-mnt ess-utils ess-custom project compile text-property-search comint ansi-osc ansi-color skeleton viper viper-cmd viper-macs viper-ex viper-mous viper-keym viper-util ring viper-init finder-inf julia-mode-autoloads package browse-url url url-proxy url-privacy url-expand url-methods url-history url-cookie generate-lisp-file url-domsuf url-util mailcap url-handlers url-parse auth-source cl-seq eieio eieio-core cl-macs password-cache json subr-x map byte-opt gv bytecomp byte-compile url-vars cl-loaddefs cl-lib 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 dynamic-setting system-font-setting font-render-setting cairo move-toolbar gtk x-toolkit xinput2 x multi-tty make-network-process emacs) Memory information: ((conses 16 411633 19704) (symbols 48 26721 0) (strings 32 113091 5112) (string-bytes 1 3232606) (vectors 16 43407) (vector-slots 8 649812 21176) (floats 8 469 22) (intervals 56 420 0) (buffers 976 18) (heap 1024 31921 2000)) -- Rodney Sparapani, Associate Professor of Biostatistics, He/Him/His Vice President, Wisconsin Chapter of the American Statistical Association Institute for Health and Equity, Division of Biostatistics Medical College of Wisconsin, Milwaukee Campus If this is outside of working hours, then please respond when convenient.