GNU bug report logs - #20134
24.4.90; Emacs slowdown to eventual hang

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From: Eli Zaretskii <eliz <at> gnu.org>
To: phillip.lord <at> newcastle.ac.uk (Phillip Lord)
Cc: monnier <at> iro.umontreal.ca, 20134 <at> debbugs.gnu.org
Subject: bug#20134: Acknowledgement (24.4.90; Emacs slowdown to eventual hang)
Date: Wed, 08 Apr 2015 19:05:55 +0300

> From: phillip.lord <at> newcastle.ac.uk (Phillip Lord)
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  <20134 <at> debbugs.gnu.org>
> Date: Wed, 08 Apr 2015 16:55:27 +0100
> 
> I captured a backtrace from a totally hung emacs earlier, which I
> include below. Somewhere down the line, this is actually being called by
> my code.

Any idea how come completing-read is in the call-stack:

> Lisp Backtrace:
> "modify-frame-parameters" (0xf325640)
> "set-cursor-color" (0xf325770)
> "cond" (0xf325928)
> "wide-column-warning-colour" (0xf325ac8)
> "funcall" (0xf325ac0)
> "if" (0xf325bd8)
> "if" (0xf325ca8)
> "let" (0xf325e18)
> "progn" (0xf325ef8)
> "condition-case" (0xf326058)
> "wide-column-post-command-hook-function" (0xf3261f0)
> "read-from-minibuffer" (0xf326640)
> "completing-read-default" (0xf326798)
> "completing-read" (0xf326908)  <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> "byte-code" (0xf326a30)
> "call-interactively" (0xf326c90)
> "command-execute" (0xf326dd8)

And what is wide-column-post-command-hook-function?

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