unofficial mirror of bug-gnu-emacs@gnu.org 
 help / color / mirror / code / Atom feed
From: Eli Zaretskii <eliz@gnu.org>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: 47895@debbugs.gnu.org
Subject: bug#47895: 28.0.50; Emacs should only animate images that are visible
Date: Tue, 20 Apr 2021 05:24:43 +0300	[thread overview]
Message-ID: <83zgxtr8us.fsf@gnu.org> (raw)
In-Reply-To: <87mttum230.fsf@gnus.org> (message from Lars Ingebrigtsen on Mon,  19 Apr 2021 22:49:55 +0200)

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: 47895@debbugs.gnu.org
> Date: Mon, 19 Apr 2021 22:49:55 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > I'd be interested to see a backtrace for such animation of an image
> > that is not on display.  In general, since animation is triggered (I
> > think) when the image is being prepared for redisplay, what you
> > describe shouldn't be happening.  If it dies indeed happen, I have a
> > couple of guesses how that could be triggered, but it would be nice to
> > see evidence.
> 
> I unfortunately don't have the time to debug right now, but it's easy
> enough to reproduce:
> 
> (progn
>   (eww "https://lars.ingebrigtsen.no/wp-content/uploads/2018/03/candid.gif")
>   (bury-buffer))
> 
> This will leave you with an Emacs that uses at least 99% CPU, even if
> the eww buffer isn't even displayed.  (At least on this Debian/bullseye
> system, starting from -Q.)

Thanks, I will take a look when I have time.





  reply	other threads:[~2021-04-20  2:24 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-19 18:19 bug#47895: 28.0.50; Emacs should only animate images that are visible Lars Ingebrigtsen
2021-04-19 18:28 ` Eli Zaretskii
2021-04-19 20:49   ` Lars Ingebrigtsen
2021-04-20  2:24     ` Eli Zaretskii [this message]
2021-04-20 13:51     ` Eli Zaretskii
2021-04-25 18:48       ` Lars Ingebrigtsen
2021-04-25 19:01         ` Eli Zaretskii
2021-04-25 19:07           ` Lars Ingebrigtsen
     [not found]             ` <YIciJ+1fSjJGcu+P@faroe.holly.idiocy.org>
2021-04-27 15:51               ` Alan Third
2021-04-27 23:23                 ` Lars Ingebrigtsen
2021-05-02  9:35             ` Eli Zaretskii
2021-05-03  9:52               ` Lars Ingebrigtsen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=83zgxtr8us.fsf@gnu.org \
    --to=eliz@gnu.org \
    --cc=47895@debbugs.gnu.org \
    --cc=larsi@gnus.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).