A monitor attached to the Thinkpad x230 via the docking station DVI port is fine (boots to X and no crazy window trails). This is seen when attaching a monitor via DP on the dock or mDP from the laptop. I was using an mDP to HDMI cable or a DP to DualLink-DVI adapter to connect monitors when I found this issue. Multiple monitors were tried and all experienced the issue when connect to the monitor's HDMI port from the laptop's mDP port.
-- 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/1631519 Title: No X on boot with external monitor connected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1631519/+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