Apparently compiz startup left over from earlier version caused the problem, removing both from startup applictions stops the change from 2560x1600 to 1280x800 at session startup.
-- Fails to set screen resolution https://bugs.launchpad.net/bugs/597394 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs