marking this as dup. WIP on that has been already a while to understand cause of it.
*** This bug has been marked as a duplicate of bug 103167 *** -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1840236 Title: Horizontal corrupted line at top of screen caused by framebuffer compression To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1840236/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs