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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112 views

Non-hex digit used for Unicode escape error when setting org-latex-classes

When I try to set org-latex-classes with the following code: (setq org-latex-classes '(("article" " \\documentclass[12pt,a4paper]{article} \usepackage{xeCJK} %\usepackage[heading]{...
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377 views

Symbol's function defintion is void: org-show-all

I get the above error when trying to archive my org agenda using C-c C-x C-a and/or C-c C-x C-s, according to instructions over here. My archive location is set the default. UPDATE: After following ...
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60 views

pop-to-buffer: Wrong type argument: window-valid-p, #<window 117>PNG warning: Interlace handling should be turned on when using png_read_image

I occasionally run into the following error when opening a new file with projectile: pop-to-buffer: Wrong type argument: window-valid-p, #<window 117>PNG warning: Interlace handling should be ...
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60 views

Unknown *emacs* process

I recently realized that every time I lunch emacs, after a minute, a strange buffer appear in buffers list that is linked to an emacs process, infact it also appear in system's process list: When I ...
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174 views

neotree: `all-the-icons-icon-for-dir` raises void-function error

I am getting an error with neotree and i dont know why the arguments from call-interactively are nil. Edit: The Problem is within neotree and i have an empty init file just with neotree and the ...
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61 views

How to open 3 emacs windows when debugging using gdb

I am debugging a program that outputs 8 or more lines of display and requires input. So my IO window has to be say 10 rows or so in height. But I also want to see the source code AND of course the ...
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305 views

How can i resolve tramp-error: Not a Tramp file name: using a /docker address?

Trying to set up .dir-locals to use a custom python interpreter inside a container so i can use run-python and get the REPL inside the container. I have this setup which seems to partially work in ...
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113 views

Emacs really laggy on prog-mode

I noticed Emacs was really laggy on any mode derived from prog-mode two days ago. Before that, everything was fine. I can navigate on a 1000+ lines org-mode file without problem, but I can't even type ...
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1answer
101 views

A single Key Binding for several commands

I want to set a key binding to both open and close nodes in origami-mode. This is my attempt (require 'origami) (defun open-close-node () (interactive) (origami-open-node) (origami-close-node))...
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131 views

How to debug hanging emacs-async command?

I'm trying to set up a function running on my timer to refresh my org-gcal files by using the emacs-async library as follows: (async-get (async-start `(lambda () ,(async-inject-variables "...
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1answer
189 views

Tern stopped working! Request failed: ((wrong-type-argument url nil))

I just upgraded yesterday emacs from version 25.2 to 27.0.5. Now I am encountering this problem, any idea of how to fix it? This happens in some tern functions I try to use: tern-get-docs, tern-ac-...
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1answer
65 views

Emacs 25 function error

Recently I upgraded my emacs from 24 to 25.3.1. After the upgrade, the following code does not work anymore: ;;================================== ;; Wrap Query Replace ;;====================...
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154 views

How to debug a(n) .emacs that doesn't work correctly, but also doesn't throw any errors? [closed]

I currently have an Emacs/AucTeX setup where emacs --debug-init doesn't throw any errors, but things still don't work as expected. This being the case, I don't really know how to debug my .emacs file ...
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1answer
290 views

How to debug c-mode-common-hook that doesn't fire

I'm using prelude mode, and in a file .emacs.d/personal/old-settings.el I have, amongst other things: (global-set-key (kbd "C-c C-c") 'comment-region) (add-hook 'c-mode-common-hook (lambda() ...
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118 views

Getting gdb to work for this project

For this project, I cannot seem to get M-x gdb to work in Emacs 25.1 (on Ubuntu 14.04.5 64-bit if it matters - this should be the case for any Ubuntu-based Linux in general I imagine). Steps to ...
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745 views

How to debug “company backend” initialization problems?

I am getting error messages initializing some company backend packages, but messages only appear in the *Messages* buffer, like: Company backend 'company-web' could not be initialized: Symbol's ...
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1answer
2k views

Spacemacs: Company-Anaconda doesnt work

I recently installed Spacemacs and am new to it. 0.200.2@24.5.2 (spacemacs) / 14.04 Ubuntu same problem with 0.200.2@26.0.50.2 (spacemacs) / 14.04 Ubuntu Syntax Checking etc. is working fine, but ...
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252 views

emacs crashes while opening .emacs file

When i try to open my .emacs file with emacs i get an error as such. $ emacs .emacs Fatal error 11: Segmentation fault Backtrace: emacs[0x4f74cb] emacs[0x4dcf3e] emacs[0x4f611e] emacs[0x4f6283]...
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1answer
164 views

Can connect TRAMP with m-x ssh but can't with anything else (org code blocks, C-x C-f, etc.)

I have a very strange issue. I have no idea how to debug. TRAMP hangs every time I issue it via C-x C-f (and choose ssh), when I try to execute a org code block: :tangle: /zeltak@aaa.zzz.yyy.xxx:/...
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0answers
116 views

Emacs freezes while editing a tex file

Emacs freezes while I was moving cursor in a latex file with AucTeX-mode (and LaTeX-mode). Emacs becomes black and I can do nothing, including C-g. I followed the approach in this answer, and obtained ...
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896 views

Can't exit Emacs with error “End of file during parsing”

Every time I press c-x c-c to exit Emacs, it shows "End of file during parsing" in the minibuffer. I cursorily examined my .emacs and did not find any mismatching parenthesis. Any idea what's the ...
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0answers
563 views

Debugging a “Warning (bytecomp): reference to free variable” message

I just upgraded to a new bleeding edge version of Emacs in OS X: brew install emacs --HEAD --use-git-head --with-cocoa --with-gnutls --with-rsvg --with-imagemagick I understand that this version is ...
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0answers
466 views

c-indent-line-or-region: Variable binding depth exceeds max-specpdl-size

I'm trying to define a new major mode using define-generic-mode and want to try reusing c-indent-line-or-region for my indent-line-function. I've inserted (set (make-local-variable 'indent-line-...
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1answer
1k views

Debugging and setting breakpoints in Java code built with Gradle

I am using Emacs (v24.4) for writing Java applications. I have created a Java library that I am building using Gradle (v2.2) and testing with Spock Framework where I have all my test cases. I would ...
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49 views

wildcard expansion in buffer

I'm debugging with pdb in emacs and one of the parameters to the program I'm debugging is a list of regular expressions wrapped in quotes. Basically, pdb someProgram.py 'regex .* .*' from the ...
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239 views

Unable to get backtrace for error

I have installed paredit & need to turnoff smartparens. I checked this answer and I have added (advice-add #'smartparens-mode :before-until (lambda (&rest args) t)) to my prelude starter ...
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2answers
544 views

When I start Emacs: Symbol's value as variable is void: shell-mode-map [duplicate]

System: Windows 10, Emacs 26.1, Helm 3.0 In my init.el: ;; Shell commands history (define-key shell-mode-map (kbd "C-c C-l") 'helm-comint-input-ring) When I start Emacs I get the following error: ...
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1answer
386 views

Melpa - 'Failed to download melpa'

I am on a fresh install of emacs 26.3, and I have the following in my init.el: (require 'package) (add-to-list 'package-archives '("melpa", "https://melpa.org/packages") t) (package-...
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1answer
643 views

Gui won't start, throws an “Args out of range: 0, 100”

The only response I got is this: Weird behavior: GUI won't start, but terminal emacs will But he doesn't clarify on the solution. I have the same problem, my .Xdefaults and/or .Xresources causes ...
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1answer
47 views

Having trouble pinpointing this error wrong argument listp 1

I'm having trouble finding where the problem here is exactly. The result I'd like returned is a string that looks like 1. (n,adj-no) occupation 2. business My function is here and it looks like ...
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1answer
294 views

“symbol's function definition is void: -dotimes” Error

I'm trying to use the following function (extracted from the amazing emacs-prelude configuration) (defun prelude-duplicate-current-line-or-region (arg) "Duplicates the current line or region ARG ...
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1answer
31 views

Why does Emacs not enter the debugger when popping a cons twice?

I wrote some LISP code that was wrong because I was trying to pop a cons twice: (let ((pair '("a" . "b"))) (let* ((a (pop pair)) (b (pop pair))) b)) Evaluating this in the *scratch* ...
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1answer
181 views

I see “Unnecessary call to ‘package-initialize’ in init file” but can't find the call to `package-initialize`

I'm running Emacs from HEAD on Mac OS. I installed emacs-plus using the --HEAD argument with homebrew. I did a whole grep for (package-initialize) in ~/.emacs.d/. The only reference I found to it is ...
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2answers
54 views

Symbol's value as variable is void: ‘yes-or-no-p

I have the following lines in my config file: (fset 'yes-or-no-p 'y-or-n-p) (setq confirm-kill-emacs ‘yes-or-no-p) The latter line is what's throwing the error. I would like to be able to use 'y-or-...
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1answer
105 views

Ditaa source code evaluated with no result

The code below evaluated successfully but ~/Downloads/foo.png is empty. A look at the downloads folder shows that no file has been generated. What went wrong? #+begin_src ditaa :file ~/Downloads/foo....
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1answer
61 views

Cannot jump to file or location link in grep-mode or compile-mode

I have recently installed emacs on a new system (Manjaro arch-linux), using my usual configuration (available here, if relevant). However, the jump function never works on this new system: whenever ...
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1answer
948 views

how to resolve Symbol's value as variable is void when using ledger-mode

I am trying to setup a workflow wherein I generate Ledger files from different record files. Typically I like to view them in ledger mode after cleaning but if I make a change to the conversion, then ...
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1answer
44 views

Identify which mode is throwing an error

I am attempting to edit a file. Emacs is preventing me from making the edit, and throwing: Args out of range: #<buffer user.action.js>, 4965, 17721. It is completely not obvious to me where this ...
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1answer
190 views

(require 'package) is newly very slow on Windows

In recent weeks, (require 'package) takes minutes. This only happens on Windows, not on macOS or GNU/Linux. What is going on? emacs-version is GNU Emacs 25.1.1 (x86_64-w64-mingw32) of 2016-11-15. ...
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4answers
137 views

Set the mark at the beginning of the current function definition

I want this function: assume that I am inside a function, and in line 100, now I want to go to the definition of this function, say 80, and set mark, then go back to 100. So now I have an active ...
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1answer
194 views

How to efficiently debug emacs package conflicts (strategies too)

I currently have an emacs package conflict occuring. It is a difficult one to pinpoint as it happens occasionally. I have started using M-x unload-feature to unload packages from memory, get out of ...
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1answer
30 views

Scrolling seems to add an unwanted chunk into my kill ring

Anybody know why this may be occurring? Here is an outline of how I recreate the issue... I copy or kill something to my kill ring. I scroll up or down with the mouse. I then yank and get an ...
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1answer
36 views

The call stack result of profile-report doesn't match the real function codes

I'm trying to figure out why my emacs was slow tonight and found: - command-execute 82796 87% - call-interactively ...
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1answer
21 views

Newsticker failure: (wrong-type-argument listp \.\.\.)

Suddenly newsticker is failing to load. I get the following stack trace on error. I have made no recent upgrades. Debugger entered: Lisp error: (wrong-type-argument listp \.\.\.) newsticker--stat-num-...
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2answers
53 views

Segmentation Fault with Desktop Save Mode (emacs 26.3.50)

When I try to run emacs 26.3.50 (built from source), it gives me the following warning: "Warning: desktop file appears to be in use by PID .... Using it may cause conflicts. Use it anyway? (y or n)". ...
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1answer
86 views

Tools to develop and debug ELISP code

I have some experience in Emacs-LISP. Today I spent 6 hours writing LISP code that I guess-timate would have taken 1h30 to write in Python because my workflow to develop and debug is very clunky. In ...
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1answer
24 views

eval-expression on (setq helm-debug t) does not change describe-variable output

I'm running this version of Emacs: GNU Emacs 26.3 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.11) of 2019-09-23, modified by Debian Installed on Ubuntu 19.10 via apt, and not built from source. ...
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1answer
77 views

Unable to run nov-mode on Windows

disclaimer: I'm still relatively new to Emacs. When I open an Epub on MS Windows, Emacs opens it using Zip-Archive mode and displays its content (which is normal afaik). However, when I start nov-...
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1answer
34 views

Making resize-mini-windows buffer-local while locally let-bound

Upon striking C-x s (save-some-buffers) or C-x C-c, it report errorsin mini-buffer Making resize-mini-windows buffer-local while locally let-bound. Search the above errors but return no helpful ...
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1answer
16 views

Remove the auto-generated marks from dired buffer

Upon invoking dired with C-x d, it display Five of the files have already been marked automatically , Consult with the manual of operation on files Strik U and * u to remove the mark but failed. ...

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