Just docked my laptop and woke it up from sleep and it detected the two monitors.
This was either fixed in the latest kernel or after I disabled polling in drm_kms_helper: echo N > /sys/module/drm_kms_helper/parameters/poll I put it into /etc/rc.local to make it permanent. ** Changed in: xserver-xorg-video-nouveau (Ubuntu) Status: New => Fix Released -- 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/999141 Title: Dual monitor DisplayPort stopped working. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/999141/+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