Cgiraud, when you performed the apport-collect you either didn't install xdiagnose, or you didn't click Yes for attaching additional debugging information, as requested in https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1576864/comments/3 .
Could you please advise? ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- 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/1576864 Title: Unable to extend to second display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1576864/+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