It appears the problem is most likely this: [ 989.990] (WW) modeset(0): flip queue failed: Device or resource busy [ 989.990] (WW) modeset(0): Page flip failed: Device or resource busy [ 989.990] (EE) modeset(0): present flip failed [ 990.106] (WW) modeset(0): flip queue failed: Device or resource busy [ 990.106] (WW) modeset(0): Page flip failed: Device or resource busy [ 990.106] (EE) modeset(0): present flip failed [ 990.122] (WW) modeset(0): flip queue failed: Device or resource busy [ 990.122] (WW) modeset(0): Page flip failed: Device or resource busy [ 990.122] (EE) modeset(0): present flip failed [ 990.147] (WW) modeset(0): flip queue failed: Device or resource busy [ 990.147] (WW) modeset(0): Page flip failed: Device or resource busy
where the Xorg 'modeset' driver is trying to talk to the kernel 'nouveau' driver. ** Package changed: nvidia-graphics-drivers-390 (Ubuntu) => xorg-server (Ubuntu) ** Changed in: xorg-server (Ubuntu) Status: Fix Released => New ** Summary changed: - General Performance Is "slow" including stuttering when dragging windows around etc (nvidia-390 is installed but modesetting in use) + [nouveau] General Performance Is "slow" including stuttering when dragging windows around etc -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1809423 Title: [nouveau] General Performance Is "slow" including stuttering when dragging windows around etc To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1809423/+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