XMir 1.0 (the old Xorg extension) is now deprecated and is not being maintained or fixed. It is replaced by the new 'Xmir' binary (package 'xmir') introduced in Ubuntu 15.10 wily.
** Changed in: xorg-server (Ubuntu) Status: Triaged => Won't Fix -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1217917 Title: XMir Multimonitor Not possible to select "Mirror Displays" in setting. Status in xorg-server package in Ubuntu: Won't Fix Bug description: 13.10 Ubuntu Desktop 64 Thinkpad E130 Intel Core i3 HD 4000 When testing MultiMonitor setup "Mirror Displays" in settings are permanently greyed out. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1217917/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp