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From: Lars Ingebrigtsen <larsi@gnus.org>
To: Steven Allen <steven@stebalien.com>
Cc: 26333@debbugs.gnu.org
Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time
Date: Sun, 23 Jan 2022 17:17:15 +0100	[thread overview]
Message-ID: <87tudu77g4.fsf@gnus.org> (raw)
In-Reply-To: <87pogwrl30.fsf@bistromath> (Steven Allen's message of "Sat, 01 Apr 2017 12:20:35 -0700")

Steven Allen <steven@stebalien.com> writes:

> 1. Start `emacs -Q` (GUI mode, GTK3).
> 2. Open a scratch buffer.
> 3. Insert a MATHMATICAL SANS-SERIF BOLD SMALL LAMBDA (0x1D77A): 𝝺
>
> The first time this character is displayed, Emacs hangs for ~15 seconds
> pegging the CPU at 100%. Unfortunately, the profiler doesn't seem to
> notice/record this hang.

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

I'm unable to reproduce this problem in Emacs 28, but then again, this
problem seems to rely on a particular set of fonts being installed.

Are you still seeing the problem in recent Emacs versions?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





  parent reply	other threads:[~2022-01-23 16:17 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-01 19:20 bug#26333: 26.0.50; Hang when displaying some special characters for the first time Steven Allen
2017-04-01 20:44 ` Eli Zaretskii
2017-04-01 22:00   ` Steven Allen
2017-04-01 22:48     ` Andreas Politz
2017-04-02 16:35     ` Eli Zaretskii
2017-04-02 17:14       ` Steven Allen
2017-04-02 17:43         ` Steven Allen
2022-01-23 16:17 ` Lars Ingebrigtsen [this message]
2022-01-23 16:44   ` Eli Zaretskii
2022-01-23 17:00     ` Eli Zaretskii
2022-02-20 19:32   ` Lars Ingebrigtsen

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