okay, i updated all packages, installed your g-s-m, rebooted and did the strace on the tty. here the result.
** Attachment added: "strace.txt" https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/649809/+attachment/2025156/+files/strace.txt -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-180 in Ubuntu. https://bugs.launchpad.net/bugs/649809 Title: the session settings manager can try starting before the login screen one exits _______________________________________________ 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