In comment #10 there are some instances of "Atomic update failure" that go for a few minutes each. I don't know how to disable atomic KMS in Xorg. It's easy to toggle in Wayland but apparently this bug doesn't exist in Wayland.
And I don't think mentions of "nouveau" are relevant to Andreas. ** Package changed: chromium-browser (Ubuntu) => xorg-server (Ubuntu) ** Tags removed: nouveau -- 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/2033433 Title: Xorg 100% CPU and frozen desktop after closing chromium To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/2033433/+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