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#1 2024-05-24 02:30:58

Bobthebadguy
Member
Registered: 2023-08-24
Posts: 12

Keyboard lag on some applications

I'm having this issue where occasionally, the keyboard freezes and the keypresses are buffered for multiple seconds. This has the effect of making most games unplayable, since they all think I am holding down a key. The issue only seems to be affecting some software. Firefox, gedit, and VScode are fine, but IntelliJ is unusable and it occurs on Gnome terminal. When this happens, the mouse still works in games, but not in Intellij.
While it has the same symptoms described, I don't think that this is mutter#3384 because downgrading mutter and gnome-shell to 45.5 or upgrading to the latest version did not resolve it, and it still happens on Wayland.
The problem persists through restarts and I can't find any pattern to when it happens, other than 'often'.
What I've tried:

  • Upgrading all packages

  • Downgrading mutter and gnome-shell to 45.5

  • Switching to Wayland

  • Switching keyboards

  • Disabling gnome extensions

  • Journalctl shows nothing when the freeze occurs except this, but only sometimes:

    May 23 18:42:08 gnome-shell[65040]: Can't update stage views actor <unnamed>[<MetaWindowActorX11>:0x5ca97420dc90] is on because it needs an allocation.
    May 23 18:42:08 gnome-shell[65040]: Can't update stage views actor <unnamed>[<MetaSurfaceActorX11>:0x5ca97420e6c0] is on because it needs an allocation.

I'm fairly certain this started occurring around the upgrade to mutter 46, but downgrading did not fix it.
I'm using x11 with nvidia-dkms drivers.

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#2 2024-05-24 02:39:31

Bobthebadguy
Member
Registered: 2023-08-24
Posts: 12

Re: Keyboard lag on some applications

Mutter #3369 is also similar and running

unset XMODIFIERS

before running IntelliJ may have fixed the issue for that application, but I am not sure.

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