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Re: Emacs crashes when writting JavaScript

From: Eli Zaretskii
Subject: Re: Emacs crashes when writting JavaScript
Date: Wed, 18 Sep 2019 15:18:45 +0300

> From: Jorge Javier Araya Navarro <address@hidden>
> Date: Wed, 18 Sep 2019 00:49:24 -0600
> I'm using Emacs 27.x compiled from the master branch. I have noticed that 
> after several hours of
> work Emacs tends to crash or complete freeze the entire OS when I work on 
> JavaScript code. I have
> prettier-js which prettifies the source after saving the file to disk, but 
> not sure if this could be
> related. I also have suspicions on the parser of JS code, but because I have 
> no idea how or where it
> keeps the AST, I can't be sure if that is related to the crashes too, I come 
> to notice that under
> some circumstances –when the JSX code is fairly large and complex– Emacs 
> slows down and feels heavy
> sort-of-speak.
> I would like to know if there is a way to monitor Emacs on a normal run and 
> after it crashes get
> back something that can help debugging whatever the issue happens to be. This 
> behavior has become
> recurrent during this month, IIRC.

Run Emacs under GDB, and when it crashes, produce a C-level backtrace
and report it with all the details to the bug tracker (M-x report-emacs-bug).


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