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bug#7951: 23.1; SIG_HUP handler infinite loop?

From: Glenn Morris
Subject: bug#7951: 23.1; SIG_HUP handler infinite loop?
Date: Mon, 31 Jan 2011 17:41:25 -0500
User-agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/)

Alan Malloy wrote:

> 1. ssh into my machine from somewhere else
> 2. fire up emacs in terminal mode
> 3. suspend the emacs process with C-z
> 4. violently kill the ssh process on the other machine, so that it
> doesn't send a clean logout
> Symptoms:
> The emacs process remains alive on my machine, quickly climbs to 100%
> CPU usage,

Is this with `emacs -Q -nw'? Because I could not reproduce it with
Emacs 23.1 or 23.2 using -Q. If it does not happen with -Q, please try
to narrow down a precise recipe starting from -Q.

> In GNU Emacs 23.1.1 (i486-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
>  of 2010-11-23 on rothera, modified by Debian

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