Public bug reported:

I use Ubuntu 21.10 with Wayland and nvidia drivers. Sometimes, when
working, the desktop freezes.

Over ssh, I can see in the system logs many of those messages:

> gnome-shell[5615]: Key repeat discarded, Wayland compositor doesn't
seem to be processing events fast enough!

dmesg doesn't show any problems.

Xwayland has a very high CPU usage. Killing Xwayland didn't help.

When I then restart gdm, logging in either works again, or at least gdm
allows a graceful reboot.

** Affects: wayland (Ubuntu)
     Importance: Undecided
         Status: New

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which is subscribed to wayland in Ubuntu.
https://bugs.launchpad.net/bugs/1965116

Title:
  Desktop lockup with because Wayland compositor not fast enough

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