this post was submitted on 25 Apr 2025
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Games freezing when alt-tabbing. Where do I even being debugging? (lemmy.ml)
submitted 6 days ago by Kelbesq@lemmy.ml to c/linux_gaming@lemmy.world
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I've had a problem in several games, and I don't really no where to to being debugging it. It's not like there is any error message. Is it my DE? my distro? drivers? proton? the game engine itself?

I've done some basic web searches, and all of the answers are hyper specific, or "alt-tab just breaks some times".

The actual problem: When I alt-tab, some games will appear to freeze when I tab back in. I've noticed that while I am holding alt-tab and have a non-game window selected, the game is not frozen. As long as have not selected the window I am trying to swap to, it keeps running. It's almost as if the game has inverted it's internal state of whether it's in the foreground are not.

(if it does matter, I am using Gnome on 22.04 PopOS, Nvidia 565 driver, Steam/Proton).

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[–] superglue@lemmy.dbzer0.com 5 points 6 days ago (3 children)

Try opening the Nvidia control panel, turn off Force Composition Pipeline. I had this same issue.

[–] Kelbesq@lemmy.ml 1 points 4 days ago (1 children)

You comment led me down another rabbit hole: I don't have that setting in my control panel, and apparently am missing several whole sections. An extra detail: I'm using a laptop with both integrated and discrete graphics. I tried launching a game and seeing if more settings would show up, but that didn't seem to work. Apparently they are only consistent with an attached monitor.

[–] superglue@lemmy.dbzer0.com 1 points 3 days ago (1 children)

You certain? You should have it. I have a very similar setup to you. Nvidia 3070, PopOs on a laptop with Gnome. Its kinda hidden in the app. There is an advanced button that hides the option.

[–] Kelbesq@lemmy.ml 1 points 3 days ago

I gave it another look after you comment. I cannot find the advanced button. There really are not many user interactive options in my menu, except in the profile space =/. I've seen other report the menus missing as well.

Either it hiding in plain sight, and I am derp'ing hard, it's so buried I can't find it, or it's completely missing on my end.

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