Questions tagged [debugging]
Debugging is a methodical process of finding and reducing the number of bugs, or defects, in a computer program.
382
questions
1
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1answer
6 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....
0
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0answers
53 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 ...
0
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0answers
11 views
How can I stop iso-transl running
I have run the macport emacs 27 on macOS.
The bindins of my keys as as per mac-keys-mode (anmd aquamacs) and have Command key acting as alt.
Thus all my key bindings are A-key
This normally works.
...
0
votes
1answer
52 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 ...
0
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0answers
12 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 ...
0
votes
1answer
33 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 ...
0
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0answers
16 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 ...
0
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0answers
64 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. ...
0
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0answers
49 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 ...
1
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0answers
27 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 ...
0
votes
1answer
71 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 ...
0
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1answer
29 views
Gnus fails opening larger imap group
If I try to open an larger imap group (a few thousand messages both read and unread) Gnus gives a warning:
Wrong number of arguments: #, 2
And the Summary window is empty or it contains only some of ...
-1
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1answer
53 views
2
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0answers
42 views
Unexpected indentation in python chunks
Already one year ago, I described a problem on github with polymode and unexpected indents. Since there was no answer there so far and the problem is really annoying, I ask here for ideas for a ...
0
votes
1answer
55 views
Byte compilation error with use-package
The beginning of my ~/.emacs.d/init.el file looks like this:
;; MELPA
(require 'package)
(setq package-enable-at-startup nil)
(setq package-check-signature nil)
(add-to-list 'package-archives '("...
0
votes
2answers
60 views
Debugger entered--Lisp error: (wrong-type-argument sequencep all) cl-intersection((all magit) all)
I am trying to use magit-delta (https://github.com/dandavison/magit-delta). I am using GNU Emacs 26.3.
When I add following line ( (magit-delta-mode 1) )into the .emacs file, I get following error:
...
0
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0answers
22 views
Continuously redirect debugging information (e.g. *Messages*) to file
My Emacs configuration (Emacs 27, Doom-Emacs config with lots of user-specific tweaks, running on MacOS) sometimes hangs at seemingly random times, and the kill -SIGUSR2 <emacs PID> has no ...
0
votes
1answer
31 views
Configure gud to invoke python3 debugger instead of python debugger
When I issue the Emacs command M-x pdb it invokes Python’s pdb as python -m pdb foo.py. I want to instead invoke python3 -m pdb foo.py -- how do I set this up?
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0answers
33 views
ad-Advice-package--add-to-archive-contents: Symbol's function definition is void: package-desc-vers
Friends, I have put strong effort to write an understandable account of the problem. Thus, I ask you to open all the site links quoted at the place of citation to follow the problem history.
I have ...
1
vote
1answer
54 views
When working on elisp where to show intermediate values?
I've only recently started diving deeper into elisp. I've been using message a lot in the past, much like println or print when in other languages. The trouble I have is that I'm writing elisp to ...
3
votes
1answer
103 views
How does one access the actual arguments to an Emacs Lisp function from the `*Backtrace*`?
I am trying to debug a problem in some elisp and don't understand how to access the information I want from the Emacs Debugger.
Specifically, my backtrace looks like:
⋮
#f(compiled-function (hover) #...
0
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0answers
34 views
C-h v gives " Symbol’s value as variable is void: default
I'm running 26.1, I don't believe I have anything weird help-related in my .emacs.
When I try to get help on a variable, C-h v, it tells me Symbol’s value as variable is void: default.
Any hints of ...
2
votes
1answer
63 views
Magit deprecates `magit-popup`. Which of my packages depend on it?
How do I get Emacs to report which packages in my running Emacs depend on magit-popup?
Soon Magit will stop supporting magit-popup because it has transitioned to the replacement transient. Somehow ...
1
vote
1answer
44 views
How to stop Emacs from using LaTeX mode key bindings for `*.tex` files?
It seems that Emacs tries to autodetect the type of file and changes some of its behaviors accordingly. I don't want any of this behavior. I just want Emacs to treat every file as if it were some ...
0
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0answers
15 views
emacs debugging -interpreter-exec being displayed when should see string returned from function
This is a problem I am seeing running emacs v26.1 on Windows 7, but the problem does not appear to be present when running on ubuntu.
Code below:
#include <iostream>
#include <string>
...
1
vote
1answer
86 views
How to diagnose emacs running at 100% cpu
I'm having a problem where occassionally emacs will run at 100% cpu, and just hang forever.
I've attached gdb to the process, and this is the stacktrace:
#0 0x00007fc210e5c5bb in pthread_sigmask () ...
1
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0answers
36 views
Thumbnails not displaying with image-dired
Background: I recently found out about image-dired, so I'm playing around with it and trying to get it to work. It seems to mostly work, but when I image-dired into a directory (we'll call it ~/...
4
votes
1answer
61 views
Examine function arguments after debug-on-error
Here's a common debugging scenario: I am investigating a failure and for whatever reason I cannot instrument the relevant code with edebug. I can, however, in most cases get a backtrace via toggle-...
0
votes
0answers
41 views
Unable to send email through my second account
I have set up email in emacs using mu4e for both my personal and university account (both use gmail).
However I am unable to send email from my university account. Personal account works totally fine....
2
votes
2answers
157 views
“Symbol’s value as variable is void: org-priority-highest” using org-agenda
While I'm trying to access any of the org-agenda options or commands! I always get this error Symbol’s value as variable is void: org-priority-highest
and the list shows nothing even though I've set ...
3
votes
2answers
86 views
What tools can help make the emacs debug output more readable?
I was expecting to find tools I can use to to e.g. prettify the stack trace, or e.g. show all variables that are bound at each level of the stack trace as you navigate, but haven't found anything. Do ...
0
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0answers
28 views
Spacemacs: “Wrong type argument: stringp, nil” Auctex error when building tex file
following a recent update, Auctex now refuses to build. Throwing a wrong type argument: stringp, nil error. The full debug text:
Debugger entered--Lisp error: (wrong-type-argument stringp nil)
string-...
0
votes
1answer
28 views
How to print to the stdout / stderr from an emacs graphical session?
I'd like to print into the terminal that started emacs, instead of using Emacs message, whats the most convenient way to do this in emacs that uses the terminal?
(printf "some number %d some string %...
8
votes
1answer
2k views
How do I debug `Package cl is deprecated`?
While compiling an Elisp package from github, I get the
Warning: Package cl is deprecated
How do I find out what triggers it?
The specific file that triggers this is tiny and has no CL code.
I ...
1
vote
0answers
35 views
How to debug org-caldav-sync?
I'm trying to sync Google Calendar over OAuth2 using org-caldav. However, when I execute M-x org-caldav-sync, the following error occurs:
*Messages*:
Contacting host: www.googleapis.com:443
json-...
0
votes
1answer
44 views
Error in newly installed magit -head branch header wrong type argument
I just installed the magit package in emacs 26.3 (using CentOS 7 OS). When I start it with M-x magit, I get the error below. It works fine for me in an older installation, and the only difference I ...
0
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0answers
18 views
Debugging huge memory allocation occurring before identified problematic function
I identified a particular situation which causes emacs allocates infinitely memory (and then freezes my PC).
To be specific, I have an external link [[file:article.djvu::5][problematic djvu file]] ...
0
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0answers
11 views
Possible to name closures for easier reading of backtrace?
Let's say I write the following code:
(let* ((f (lambda () (debug))))
(funcall f))
This will produce the following backtrace:
Debugger entered: nil
(closure (bootstrap-version t) nil (debug))()
...
1
vote
1answer
21 views
rgrep: string-match(“<C>”, nil) error
I found a weird behaviour with rgrep. The following is tested under emacs 26.3 with emacs -Q.
Evaluate (rgrep "test" "*.org" "~/Org/wiki") gives me a string-match("<C>" nil) error:
Debugger ...
0
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0answers
55 views
Troubleshooting “Match data clobbered by buffer modification hooks”
When running bibtex-reformat I get Match data clobbered by buffer modification hooks. I know according to the post here that one of my change hooks is clobbering the match data. In fact, when I set ...
1
vote
1answer
49 views
How can I trace source of “No catch for tag: --cl-block-nil--, t” error when trying to run “rtags-start-process-unless-running”
I've just found out a way to add "peek definition" functionality to Emacs by installing rtags. I installed rtags through Emacs, and everything seemed to go fine. However, I've run into some trouble: ...
1
vote
0answers
38 views
How do I debug a flask application from within emacs?
I want to use something like pdbpp or ipdb to debug a flask application. I've tried but not understood how to set a breakpoint in a python file that's part of a wider application and see it hit. There ...
0
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0answers
52 views
Can't run emacs from terminal.Cannot open load file: No such file or directory
Emacs 26.1
Linux Mint 19
Open terminal, write emacs, but I get error:
Warning: Could not find simple.el or simple.elc.
Cannot open load file: No such file or directory
0
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0answers
29 views
How to find what is creating and killing so many buffers?
A bunch of creating and killing buffers in my setup and I can't track down what is it. Here is my debug code:
(add-hook 'kill-buffer-hook
(lambda() (message "Killed: %s / %s" major-mode (...
0
votes
0answers
43 views
Can not install vue-mode on Emacs 25
I have emacs 25.2.2 on Ubuntu 18.04
I want to install vue-mode package. But I am getting this error message:
vue-mode is an incompatible package. ...
1
vote
0answers
32 views
Python debug mode in Emacs
I'm looking for a python debug debug mode in Emacs that allows me to start flask apps in debug mode and interact with them. Is there something that does this and and a step through on how to use it? I'...
0
votes
2answers
103 views
How to print a stack trace into the stderr from elisp?
There are cases Emacs wont print stack traces on error
How can I make elisp print a stack trace from my own code? (into the stdout/stderr for example)
Something like Python's traceback:
import ...
0
votes
1answer
36 views
Emacs (ipython) inferior python shows strange input numbers
In emacs, I use ipython in the inferior python mode with config:
(setq python-shell-interpreter "ipython"
python-shell-interpreter-args "--simple-prompt -i")
When I edit my .py file, without any ...
0
votes
0answers
175 views
AucTex and PDF Tools Not Working
For the past few days I have been trying to get Emacs to update and display my PDF when I press C-c C-a, once saved. I save with C-x C-s.
But everything I have tried fails, including every other ...
0
votes
0answers
45 views
pandoc: getCurrentDirectory:getWorkingDirectory: permission denied (Operation not permitted)
I'm trying to render the output of a markdown file using C-c C-c p. On doing so, a webpage opens on my browser displaying pandoc: getCurrentDirectory:getWorkingDirectory: permission denied (Operation ...
