OK then. We'll treat this as a pure nouveau driver bug, because that's the most plausible and common explanation for issues like this.
Please try booting Ubuntu 20.04 from USB (don't need to install it) and tell us if that has the same problem: http://cdimage.ubuntu.com/daily- live/current/ ** Package changed: mutter (Ubuntu) => mesa (Ubuntu) ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Also affects: mutter (Ubuntu) Importance: Undecided Status: New ** Changed in: mutter (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter 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 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
