Ubuntu 17.10 with kernel 4.16-rc1, no kernel parameters, extended display in GUI.
The screens chained by MST DisplayPort mirror the view and are visible as a single screen. Build screen is seen as a second screen and works. No picture blinking. ** Attachment added: "journal_no_param.log" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1509997/+attachment/5054161/+files/journal_no_param.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1509997 Title: 1002:6821 Graphical issues when radeon MST enabled To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/1509997/+subscriptions -- ubuntu-bugs mailing list email@example.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs