this post was submitted on 27 May 2025
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[help][solved] Getting input lag on Bazzite (lemmy.nz)
submitted 4 days ago* (last edited 4 days ago) by Dave@lemmy.nz to c/linux_gaming@lemmy.world
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Hi all, I have recently installed Bazzite, after previously being on Nobara.

I have been playing Dave the Diver and DOOM (2016), both through Steam, and I get pretty serious input lag. A second or more delay at times, generally when FPS is struggling.

I'm running on a laptop with integrated graphics, so the struggling integrated GPU is not a surprise, but I didn't have this input lag issue with the same games on Nobara.

Any tips on a setting or something to help this?

I have lowered graphics settings to help with FPS, but ultimately I am not going to be able to avoid occasional FPS dips. The mouse input is instant, it's just an issue with the keyboard.

Any help appreciated!

Edit with solution: it seems the problem is IBus, see this comment: https://lemmy.nz/post/23401044/15684126

Basically the solution is to add IBUS_ENABLE_SYNC_MODE=2 to /etc/environment and restart.

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[–] Dave@lemmy.nz 2 points 4 days ago* (last edited 4 days ago) (1 children)

That being said, there isn’t anything obvious in the dmesg output. You ran that command WHILE the problem was happening, right?

Yes, as close as I could. I had the game open and while using it the keyboard actions were delayed. Then I switched to the terminal to run the commands. So I guess not while I was pressing keys in the game, but I did it at a time when the keyboard controls were lagging.

Edit: One thing I noticed is that it appears to happen only when holding down a key. So for example, if I tap left then tap right, the character reacts instantly. But if I hold down left and the character is going left, then I switch to pressing right instead, it can take over a second to react. Like it’s not able to process the key presses as fast as they are being generated.

[–] Dave@lemmy.nz 2 points 4 days ago

So this is a bit of a dumb solution, but I went to the accessibility settings in the OS and dropped the repeat frequency a bit. Now it seems to work fine!

It did seem like the events were triggering faster than the games could process them, so dropping the repeat speed a little stopped the events queueing up.

screen shot of accessibility setting to set the speed of repeating keys when a key is held down