this post was submitted on 27 May 2025
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[help][solved] Getting input lag on Bazzite (lemmy.nz)
submitted 1 year ago* (last edited 1 year 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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[–] tal@lemmy.today 2 points 1 year ago (1 children)

Yeah, you're not running into paging issues. That's plenty of memory available.

[–] Dave@lemmy.nz 3 points 1 year ago

I have (sort of) solved the issue. When holding a key down, the events seem to be firing faster than the games can keep up with. The longer a key is held down the more it queues up. So if I hold left for a while, then suddenly switch to right, it seems to have a backlog of left events to get through before it processes the right event.

I went into the system settings and changed the keyboard repeat speed to be a bit lower. Now it seems to send events at a speed the games can keep up with, even if I'm holding down a key.

I'm not sure if this counts as a real solution but it seems to solve the issue for me, and I doubt I'll notice the slightly slower repeat frequency (I think games are only listening for the up/down events so the repeat frequency probably doesn't affect them).