GNU bug report logs - #23189
Emacs hangs in GC mark phase after making an edit to a markdown document (OS X 10.11) [25.1.50.1]

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From: Alan Third <alan <at> idiocy.org>
To: Tom Jakubowski <tom <at> crystae.net>
Cc: 23189 <at> debbugs.gnu.org
Subject: bug#23189: Emacs hangs in GC mark phase after making an edit to a markdown document (OS X 10.11) [25.1.50.1]
Date: Tue, 31 May 2016 20:58:18 +0100

Tom Jakubowski <tom <at> crystae.net> writes:

> Hello,
>
> I'm using GNU Emacs 25.1.50.1 on Mac OS X 10.11. I've been able to reproduce this hang a couple times, the gist of it is:
>
> 1. Open a specific markdown document (using markdown-mode, from MELPA). 
> 2. Make a specific change to this document (deleting one line)
> 3. Emacs hangs
>
> I attached lldb (sorry Richard :-)) to it and discovered a stack trace 4000 frames deep, almost all of which were in functions named things like "mark_vector" and "mark_object". I've attached the stack trace to this email. A few choice lines:

Hi, is there any chance you'd be able to build from Emacs master and try
it? There was a recent change to stack handling that may be relevant.

-- 
Alan Third

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