Weirdly your kernel is using the nvidia-440 driver, but Xorg is using the 'modeset' driver. That might be the problem. Certainly it's what I would try to fix first...
Can you try uninstalling and reinstalling the Nvidia driver? ** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers-440 (Ubuntu) ** Also affects: xorg-server (Ubuntu) Importance: Undecided Status: New ** Changed in: nvidia-graphics-drivers-440 (Ubuntu) Status: New => Incomplete ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1875957 Title: Random freezes for 1 second To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-440/+bug/1875957/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp