According to the error messages, might this be a duplicate of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1568573 ? Do you need any further information to hunt down this bug?
-- 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/1578011 Title: Laptop sometimes doesn't detect external monitor when docked To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1578011/+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
