I'm not sure if it is related, but I also experience columns of horizontal lines on my displays. They generally disappear as a window is dragged over them.
Here's a screenshot: https://i.redd.it/xrkmukal68i51.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1892079 Title: Drivers break hardware acceleration in Chrome/ium and Electron apps To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-hwe-18.04/+bug/1892079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
