Thanks for the bug report. Please try adding this to /etc/environment: MUTTER_DEBUG_FORCE_KMS_MODE=simple
and then reboot. ** Summary changed: - Top margin of secondary monitor covered with black flickering rectangle + [nouveau] Top margin of secondary monitor covered with black flickering rectangle ** Tags added: nouveau ** Package changed: xorg (Ubuntu) => linux (Ubuntu) ** Also affects: mutter (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Changed in: mutter (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/2074559 Title: [nouveau] Top margin of secondary monitor covered with black flickering rectangle To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2074559/+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