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Re: Emacs locks up
From: |
Stefan Monnier |
Subject: |
Re: Emacs locks up |
Date: |
Sun, 20 Jun 2021 09:40:27 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Joe Riel [2021-06-19 14:15:22] wrote:
> I've written a debugger controlled by Emacs. It uses make-network-process
> to communicate with a client over TCP. Works fine on linux and Windows.
> However, when running the client in Windows 10 in virtualbox, with Emacs
> running on the host system (linux), occasionally Emacs locks up.
>
> When that occurs I have to kill Emacs---it is otherwise unresponsive.
> Have no good idea how to fix or debug this. Just being able to restore Emacs
> without killing it would be useful. Any suggestions are appreciated.
You might like to try `kill -USR2` which may(!) bring Emacs back to life
and give you a Lisp backtrace of where it's stuck.
If that doesn't work, you'll need to attach to the process with
a debugger to get the C level backtrace.
Stefan