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bug#28695: 26.0.60; Rendering lag spikes caused by double-buffering on L


From: Eli Zaretskii
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@bryan.sh>
> Cc: martin rudalics <rudalics@gmx.at>, bryan@bryan.sh, 28695@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.





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