I'm experiencing the same issue on a MacBookPro11,3 I just bought. Plug in the second monitor via thunderbolt to displayport and a kworker thread pins a cpu. +1
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1020221 Title: [Lenovo ThinkPad T510] Connecting an external Monitor over DisplayPort freezes the screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1020221/+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