I am seeing this issue as well, performing the same steps (trying to enable a device as a separate X screen). With latest packages under x86.
-- [Hardy] nvidia-settings crashed with SIGSEGV in g_closure_invoke() https://bugs.launchpad.net/bugs/194528 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