I have similar problems using xrandr on a laptop with a dual display LCD 32" TV under Ubuntu 14.04 with Kernel's 3.13.24, 3.13.29, 3.15.1, 3.15.2, 3.15.3, 3.15.4 and 3.15.5. A new Kernel seems to come out each week addressing various problems so I have held off reporting the glitches.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1213338 Title: Displaylink slow graphic performance on Ubuntu 13 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1213338/+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