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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[–] just_another_person@lemmy.world 3 points 4 days ago (1 children)

The issue is you say it didn't have this issue when it was running a different distro, so we know there is an acceptable state somehow. What the delta between that install and this current one is the question.

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

[–] 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