Sadly, I must recommend you switch to Intel graphics for now. There's no telling when or if nouveau will ever be stable.
** Changed in: xorg-server (Ubuntu) Status: New => Confirmed ** Summary changed: - xmir black window (mesa 11.0.0) + [nouveau] xmir black window (mesa 11.0.0) and/or freezing and kernel errors -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1499425 Title: [nouveau] xmir black window (mesa 11.0.0) and/or freezing and kernel errors To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1499425/+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