Possibly your second head is not reporting correct EDID information. I had a similar issue running through a DP->DVI adapter, discussed here:
http://ubuntuforums.org/showthread.php?t=1737107 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/777279 Title: resolution settings lost after May 4 update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/777279/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
