GNU bug report logs - #28695
26.0.60; Rendering lag spikes caused by double-buffering on Linux

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Package: emacs;

Reported by: Bryan Gilbert <bryan <at> bryan.sh>

Date: Wed, 4 Oct 2017 06:20:02 UTC

Severity: normal

Tags: moreinfo

Found in version 26.0.60

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Bryan Gilbert <bryan <at> bryan.sh>
Cc: rudalics <at> gmx.at, 28695 <at> debbugs.gnu.org
Subject: bug#28695: 26.0.60; Rendering lag spikes caused by double-buffering on Linux
Date: Wed, 04 Oct 2017 14:36:37 +0300

> From: Bryan Gilbert <bryan <at> bryan.sh>
> Cc: martin rudalics <rudalics <at> gmx.at>, bryan <at> bryan.sh, 28695 <at> debbugs.gnu.org
> Date: Wed, 04 Oct 2017 07:21:55 -0400
> 
> I'm currently using a Dell XPS 15 laptop with a 4K display and running
> at a resolution of 3840x2160. I've noticed that the problem almost
> entirely disappears when I resize the window to a smaller size (roughly
> between 1/2 and 1/3 of the screen) instead of being fullscreen. It's
> possible that this is only being noticed at higher resolutions.

Can you try lowering the screen resolution and using fullscreen Emacs
frames under that lower resolution?

Thanks.
This bug report was last modified 3 years and 5 days ago.

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