Ben, are you able to compare this behaviour with the 3.17 kernel (e.g. from debs available at [1])?
If the behavior is consistent between the two kernel version - it's another issue. If 3.17 behaves better than the 3.16 you were using - this is the right place to handle the problem. [1] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17.1-utopic/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1104230 Title: DisplayPort 1.2 MST support is missing in the Intel driver To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1104230/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs