Removing v86d also fixes the freeze for me on the nvidia machine so, for me at any rate, that seems to have been the root cause.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/767927 Title: Logout Freeze [kernel tried to execute NX-protected page - exploit attempt? (uid: 0)] -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs