Questions tagged [debugging]

Debugging is a methodical process of finding and reducing the number of bugs, or defects, in a computer program.

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35 views

Can't disable font-lock-mode

If I have font-lock on and I do M-x find-library RET simple RET, I have colours: If I then M-x font-lock-mode to disable the mode, the colours disappear in the currently-visible portion of the buffer:...
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1answer
60 views

How to debug an Emacs that stops taking input and needs to be restarted every few hours, but doesn't throw any errors

I've been having a problem lately where every few hours of use, for some reason I don't understand, Emacs stops responding to input without throwing an error. C-g and Esc-Esc-Esc do nothing, so I'm ...
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Why am I getting Wrong type argument: stringp, nil?

What's wrong here ? It gives me the error Wrong type argument: stringp, nil. (let* ((filename (file-name-nondirectory buffer-file-name)) (executable (file-name-sans-extension filename))) (...
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1answer
36 views

“#+STARTUP: hideblocks” won't work. Can't find offending package/setting

After I upgraded to Org Mode 9.4.5, I learned about the startup option hideblocks, but it won't work as advertised for me. OK, when I start emacs with the flag -Q, it did, so I went hunting for ...
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30 views

query-replace within LaTeX/Math

The answer below was taken from https://stackoverflow.com/a/44913296. This is the most upvoted answer there. Unfortunately, after running the code (for example by replacing q with \theta) one ...
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42 views

elpa.gnu.org:443 has a running process;kill it? message at install AUCTeX package on emacs 27.1 on windows 10

Trying to install AUCTeX on emacs 27.1 on Windows 10, when install AUC TeX through manage emacs packages when press install while the process work appears this mesage Buffer "*http elpa.gnu.org:...
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1answer
94 views

emacs crashes at least 10 times a day

9 out of 10 times it happens when invoking magit with C-x g. I noticed (sometimes) pressing 'g' for refresh inside a dired buffer crashes too. There's no error shown. My -nw emacsclient just lands in ...
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78 views

Emacs hangs/crashes when opening files with special unicode characters, does not crash with -nw

I'm using Arch Linux, i3wm and emacs 27.1, and I'm having an issue where emacs hangs when opening certain files, but I can't seem to find a pattern as to which files cause the hang. When emacs hangs, ...
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19 views

jedi: Wrong type argument: epc:manager, nil

After installing Ubuntu 20.04 and switch from 3.7 to 3.8 I have started to face with following error. I have tried everything reinstalling removing emacs and re-installing it but I won't able to solve ...
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458 views

Emacs won’t access Documents directory on MacOS Big Sur

I am running Emacs 26.3 on MacOS 11.2.1 “Big Sur”. When I try to open the directory ~/Documents, it fails with the message “Listing directory failed but ‘access-file’ worked.” Emacs.app is given ...
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45 views

File mode specification error: (wrong-number-of-arguments (1 . 2) 0)

When I start my emacs I keep seeing following message on the minibuffer. How can I detect that which function causes this error message, in order to fix it? File mode specification error: (wrong-...
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1answer
32 views

void-variable battery-status-function [duplicate]

I'm trying to set up a custom battery indicator in the mode line and I'd like to use the battery-status-function variable defined in battery.el, which is a part of emacs. However, I cannot use it in ...
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Portacle Emacs C-c C-c stopped working

I am a beginner Lisp programmer and new to Emacs. I work on Portacle. I must have done something because when I press C-c C-c to compile a function in a buffer I get: C-c C-c is undefined. This worked ...
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1answer
316 views

How do I solve `Lisp error: (void-function -compose)` when using lsp-dart?

When I load a Dart file with GNU Emacs 27.1-1 for OS X I get the following little error novel. Debugger entered--Lisp error: (void-function -compose) (-compose #'lsp--client-path->uri-fn #'lsp--...
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1answer
57 views

Tramp hangs indefinitely when using doas on Linux

Tramp works fine when I try to edit with sudo or ssh, but when I try to edit with doas it will hang (while also maxing out my cpu). Here is some tramp output: backtrace() tramp-signal-hook-...
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59 views

How can one debug a situation when emacs is unresponsive on Windows?

There is an operation in my setup which makes emacs unresponsive with high CPU. I checked the emacs process with process monitor, but it does not wait for an other process, so I guess it must be ...
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1answer
36 views

Debuggable emacs and vanilla emacs binaries

I'm running Ubuntu 20.04. I would like to build an emacs binary for general usage (no debug symbols) and another emacs binary (when something goes wrong). The build is pretty straight-forward, but I ...
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47 views

How to debug emacs config / need to rerun org-mode after startup

I run emacs on Windows and I start with this command: C:\path-to\emacs.exe -q --load "C:/path-to-git-tracked-config-folder/.emacs" --debug-init Emacs starts without error from --debug-init. ...
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Why does every command with `M-x cider-jack-in` raise an error?

Anyone knows why any command whatsover comes up with this error? ;; Startup: /usr/local/bin/clojure -Sdeps '{:deps {nrepl/nrepl {:mvn/version "0.8.3"} cider/cider-nrepl {:mvn/version "...
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83 views

org-capture: Capture abort: Wrong type argument: stringp, org-main-file

I know this error has come up here before, but none of the answers thus far have been able to help me and no amount of googling has got me anywhere. I've been using org-capture-templates for quite a ...
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1answer
44 views

inludegraphics macro does not ask for width etc. but only for llx, lly

Using GNU Emacs 26.3, I have a tex file with \usepackage{graphicx} and AUCTeX enabled. However, inserting a includegraphics macro does not prompt for the optional arguments defined in graphicx.el ...
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15 views

savehist-mode: Lisp error: (void-variable pell-buffer)

I am using GNU Emacs 26.3 in macOS. For (savehist-mode 1) I keep getting following error: Debugger entered--Lisp error: (void-variable pell-buffer) signal(void-variable (pell-buffer)) savehist-...
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304 views

`wrong type argument: number-or-marker-p, nil` after upgrading auctex

After upgrading to auctex-13.0.1 I am getting the error wrong type argument: number-or-marker-p, nil whenever I try to compile a latex document in emacs. Activating toggle-debug-on-error and issuing C-...
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111 views

Custom theme problem - invalid face underline

I have a problem with creating my own custom theme. I'm new to doing this and my elisp knowledge is minimal. I've used the customise-create-theme option and it was working well but it seems that at ...
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0answers
44 views

Cannot call use-package on Emacs master

I can't use use-package with Emacs master. How can I find out why this is? For me, all calls (via eval-last-sexp) to use-package fail as Error (use-package): Cannot load X Disable showing Disable ...
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1answer
55 views

emacs 27 (lucid toolkit) daemon crashes every couple of minutes

Some variant of this has been asked before - emacs daemon crashing when it has been built with Gtk3 etc - but I couldn't find any solution to this. I've built Emacs 27.1 from source on Xubuntu 20.04 ...
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104 views

emacs27 : Depends: emacs27-common but it is not going to be installed

I has Emacs 25.3 emacs -version GNU Emacs 25.3.2 Copyright (C) 2017 Free Software Foundation, Inc. GNU Emacs comes with ABSOLUTELY NO WARRANTY. You may redistribute copies of GNU Emacs under the terms ...
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31 views

Function: “Symbol's function definition is void” until I C-h C-f its definition, then works fine

I've defined a function that uses popup-tip. On startup, if I call the function, I get the error, Symbol's function definition is void: popup-tip. If I call Ch Cf for popup-tip, I can find the ...
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1answer
86 views

Error when first launching Spacemacs in macOS 11.0.1

I am trying to learn Emacs. I successfully installed it and went through the built-in tutorial. I thought that installing Spacemacs would be nice so I gave it a try. I followed a tutorial and now I am ...
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1answer
125 views

the following functions might not be defined at runtime: lsp-format-buffer, lsp-organize-imports function ‘dap-go-setup’ is not known to be defined

I 've below emacs init file config setup I'm getting below error in the emacs startup. I don't know what might be the root cause of the issue the following functions might not be defined at runtime: ...
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11 views

Help using compilation-mode or similar to use next-error to navigate bash debug output

Using "set -x" in bash script, outputs each executed command to an ouput file. eg here is part of the bash script #!/usr/bin/env bash # This is called by (my) .xinitrc, xdm and _should_ be ...
5
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1answer
61 views

Unable to load color “#FFFFFF” (mouse-face)

Using Emacs 27.1 (mac port, BigSur), I get a strange behavior when I set the mouse face color using an hexadecimal description. Running emacs -Q -l show-bug.el, with show-bug.el being: (font-lock-mode ...
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1answer
72 views

Log Tramp traces to a file

I am experiencing some Emacs Tramp connection problems and want to ask for help. However in my case Emacs hangs completely because of Tramp and there is no way I can access Tramp debug files. (it is ...
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1answer
64 views

How can we get input using emacs?

In order to compile my lua code i use this config (defun lua-main-compile () "use lua to compile my lua code" (interactive) (compile "lua main.lua")) In my lua code ...
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26 views

Link broken in inline comment

[[link]]@@comment:[[link]]@@ # [[link]] * link I get the message "No Link Found" when clicking on the [[link]] within the inline @@comment:[[link]]@@. The link works fine with emacs -Q, ...
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11 views

Use edebug to trace ivy-read OR how to prevent focusing in minibuffer

I would like to understand more of the internals of ivy-read. So I tried using edebug to trace some of the helper functions in ivy.el. However, upon entering edebug, the focus always is in the ...
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0answers
15 views

Fontlock markup disappers when visual line is active

I have the following setting in my .emacs.d folder. (defface org-commentary '((t :foreground "tan1")) "Face for commentary text in org mode") (defface org-commentary-delimiter ...
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1answer
33 views

How to modify a file you're debugging with realgud

I understand mechanically from here: debugging: how to optimize a RealGUD workflow How to edit code in the source window using realgud? I can use C-x C-q to disable read-only mode on the python file ...
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1answer
43 views

Realgud to default to my most recent python executable

When I run realgud for python debugging, with: M-x realgud:pdb I see this prompt: Run pdb (like this): python -m pdb /home/username/work/place/scratch.py I'm using a conda environment installed in ./...
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1answer
94 views

gdb over ssh via tramp fails (but gdb-gud works?)

I am running into an issue where the gdb command fails over tramp. The remote host is a simple linux box I am accessing via ssh. Even when I run emacs without my init file it still happens. Emacs 27....
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0answers
92 views

How can I get holding down the spacebar to work as expected

When I am editing text, if I press and release the spacebar it works as expected. However, if I hold down the spacebar I get the following message in the echo area. <Hangul> is undefined I saw ...
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1answer
42 views

How can I stop iso-transl running

I have run the macport emacs 27 on macOS. The bindings of my keys as as per mac-keys-mode (and aquamacs) and have Command key acting as alt. Thus all my key bindings are A-key This normally works. ...
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1answer
82 views

Emacs transparent after fresh install

Complete emacs beginner here. Just installed emacs in my Manjaro (awesomewm edition) machine using pacman. The emacs window is almost completely transparent, I can't read anything. If started from a ...
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0answers
14 views

GAP mode (interactive mode for working with GAP) swallows first lines of output

On Windows 10, I have emacs under cygwin which works well. In particular, I am running GAP in emacs using gap-mode and everything is OK. Now to use some other apps, I was forced to install another ...
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1answer
65 views

How to track down where Emacs message “<Scroll_Lock> is undefined” comes from?

I am using Emacs 25.5 and now am getting the message: "<Scroll_Lock> is undefined" appearing regularly in the Messages buffer. If I turn on debug-on-error, it doesn't stop on it and ...
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0answers
171 views

(Windows Terminal) and xterm-mouse-mode has a problem

Don’t really know where to post this issue, or even the nature of it, but it can get very frustrating. This is not exclusive to Windows Terminal, MobaXTerm has the same problem. So I use emacs under ...
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0answers
471 views

I broke Spacemacs

After editing my .spacemacs file, spacemacs is saying that there is an unmatched parenthesis and I need to go into startup recovery mode. After looking at the file, I have not found any problems. ...
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0answers
55 views

`company-ngram` backend error on windows 10

I am getting this error on windows 10 python 3.8 Emacs 27 and prelude configuration Company: backend company-ngram-backend error "Process company-ngram not running" with args (prefix) I am ...
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1answer
66 views

Emacs freezes when pressing ESC

My Emacs usually works well, but sometimes it freezes, to be more specific: It only freezes after pressing ESC. When the freeze begins, it will always freeze after pressing ESC: I kill Emacs, restart ...
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1answer
112 views

Buggy org export to LaTeX `itemize` and `enumerate` functions

A similar question has been put to the TeX community over here, which led to the insight that this is an org-export issue. Hence the current question: The org document below generates a tex file that ...

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