Thanks. This is starting to sound like general problems with the nouveau kernel driver, or maybe GPU memory corruption, since multiple desktop environments are broken.
Next please try the latest kernel packages from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5-rc7/ ** No longer affects: mutter (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1860483 Title: [nouveau] screen background overlaid with scan type artifact in red To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860483/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
