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Re: /usr/local/bin/emacs: writing to child signal FD: Bad file descripto

From: Tomas Hlavaty
Subject: Re: /usr/local/bin/emacs: writing to child signal FD: Bad file descriptor
Date: Sat, 04 Dec 2021 13:05:44 +0100

On Sat 04 Dec 2021 at 11:26, Hongyi Zhao <> wrote:
> I try to compile vterm module with `M-x vterm-module-compile RET`, but
> Emacs freezes. Then I killed the process by hitting `C-g` twice, at
> this moment the message reported here occured.

There is something seriously wrong with C-g.
It is very dangerous.

Emacs often crashes for me after trying to break blocking operation
using C-g twice.
It just prints a list of threads and crashes.
This has been happening for a long time;
I guess since introduction of threads.
It probably has something to do with disruption of blocking
network operations or garbage collection.

Two weeks ago, it even truncated ~/.emacs to 0 size.  This happened once
so far.

All with emacs -nw.


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