Please try some different kernel versions and tell us if any of them do or don't have the same bug:
https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=M;O=D -- 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/1918619 Title: [i915] Horizontal noise-like screen corruption (Gen9 Kaby Lake) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.8/+bug/1918619/+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