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[SOLVED] Have you ever experienced stuttering in a game if you receive a message in a desktop messaging app during gameplay?

Solution

This is a bug in KDE Plasma [1.1][2]. It appears that it might be fixed in KDE Plasma v6.2 [1.2][3].

Original Post

I have noticed this behavior with Element and Signal while playing Deadlock. The game will have a pretty severe stutter, ie the frame-rate will substantially dip, for half a second or so at the exact moment that a message is received. It seems to happen with every message. Do note that these are only messages that would result in a system notification. All other messages that are silent, ie they have no pop-up notification, do not result in any stutter.

  • OS: Arch Linux, Kernel: v6.6.49-1-lts
  • DE: KDE Plasma v6.1.4
  • WM: Wayland
  • CPU: Intel Core i5-4690k
  • GPU: AMD Radeon RX 6600

Updates

References1. @narc0tic_bird. “Have you ever experienced stuttering in a game if you receive a message in a desktop messaging app during gameplay?”. sh.itjust.works. Lemmy. Published: 2024-09-09T23:12:24Z. Accessed: 2024-09-10T00:03Z. sh.itjust.works/comment/13818926. lemm.ee/comment/14674507. 1. > it’s a bug in KDE Plasma 2. > [the bug] might be fixed [in KDE Plasma] 6.2 2. “Bug 487780: Fullscreen game stutter when Plasma receives notifications.”. Robert. bugs.kde.org. Published: 2024-05-30T03:58Z. Accessed: 2024-09-10T00:06Z. bugs.kde.org/show_bug.cgi?id=487780. 3. Zamundaaa. “Bug 487780: Fullscreen game stutter when Plasma receives notifications.”. bugs.kde.org. Published: 2024-08-19T12:01:08Z. Accessed: 2024-09-10T00:13Z. bugs.kde.org/show_bug.cgi?id=487780#c13. > There are some remaining code paths that can block direct scanout - namely effects that haven’t been fixed, or that may need to block direct scanout in some situations. There’s a new API in 6.2 that effects can use though, invent.kde.org/plasma/kwin/-/merge_requests/6203, which blocks direct scanout only when really necessary. It’s implemented for all built in effects, and external javascript effects automatically make use of this API too.

narc0tic_bird ,

Yes, it’s a bug in KDE Plasma that might be fixed with 6.2: bugs.kde.org/show_bug.cgi?id=487780

Kalcifer OP , (edited )
@Kalcifer@sh.itjust.works avatar

Thank you! Solved!

helenslunch ,
@helenslunch@feddit.nl avatar

This is why I have a desktop for gaming and a laptop for everything else.

RandomLegend ,
@RandomLegend@lemmy.dbzer0.com avatar

Look into turning off desktop effects while playing there is a key combo for that with f12 of I remember correctly.

jrgd ,

Both not possible and unnecessary on Wayland.

Brewchin , (edited )

Yep, with the desktop versions of Signal, Matrix (Element) and Steam chat.

I’m yet to try out gamemode, which may help. But I typically close Signal and Element when I’m gaming, so it’s usually not an issue for me.

Edit: I’m on EndeavourOS, KDE, i7, 16GB, Nvidia 2060.

ccf ,
@ccf@lemmy.world avatar

I think there is a setting in some games where the FPS lowers when not focused, to save system resources. It happens with notifications for a lot of games I play too

Kalcifer OP , (edited )
@Kalcifer@sh.itjust.works avatar

Thank you for the information! Perhaps that’s what this setting is:

https://sh.itjust.works/pictrs/image/fb179d51-0f68-434f-9e10-6894588d8938.png

I will disable it and report back.

EDIT (2024-09-09T22:09Z): @ccf, unfortunately, with that setting disabled, I still am experiencing the stuttering.

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