The workaround for this is to use the Ubuntu config tool in System Settings -> Displays. Drag the menu to the screen you want to be the main screen and it will be saved across sessions.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-common in Ubuntu. https://bugs.launchpad.net/bugs/1204804 Title: Nvidia driver fails to save primary display Status in “nvidia-common” package in Ubuntu: New Bug description: I have two monitors (same model) and want the left one to be the primary monitor. When I make the setting in the nvidia settings tool it works as it should, but after a reboot the right monitor is primary again. It doesn't matter if I merge the xorg.conf or just overwrite it, neither works. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: nvidia-common 1:0.2.44.2 [modified: var/lib/nvidia-common/last_gfx_boot] ProcVersionSignature: Ubuntu 3.2.0-49.75-generic 3.2.46 Uname: Linux 3.2.0-49-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.0.1-0ubuntu17.3 Architecture: amd64 Date: Thu Jul 25 09:21:59 2013 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301) MarkForUpload: True ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: nvidia-common UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-common/+bug/1204804/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp