GNU bug report logs - #25156
26.0.50; `describe-text-properties' hangs with 100% cpu usage when property is a char-table

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Package: emacs;

Reported by: Peter Wang <ptr.wang <at> gmail.com>

Date: Sat, 10 Dec 2016 14:02:02 UTC

Severity: normal

Tags: notabug

Found in version 26.0.50

Done: npostavs <at> users.sourceforge.net

Bug is archived. No further changes may be made.

Full log

Message #23 received at 25156 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: npostavs <at> users.sourceforge.net
Cc: ptr.wang <at> gmail.com, 25156 <at> debbugs.gnu.org
Subject: Re: bug#25156: 26.0.50;
 `describe-text-properties' hangs with 100% cpu usage when property is
 a char-table
Date: Sat, 10 Dec 2016 18:04:43 +0200

> From: npostavs <at> users.sourceforge.net
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  25156 <at> debbugs.gnu.org
> Date: Sat, 10 Dec 2016 10:29:44 -0500
> 
> Neither of these hang for me from emacs -Q, using latest master (fc0fd24c105b)
> 
> (benchmark 1 '(describe-variable 'lisp-mode-syntax-table)) ;=> "Elapsed time: 1.272053s (0.161946s in 6 GCs)"
> (benchmark 1 '(describe-property-list (list 'syntax-table lisp-mode-syntax-table))) ;=> "Elapsed time: 1.165824s (0.139516s in 5 GCs)"

I get similar times here.
This bug report was last modified 8 years and 221 days ago.

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