I have just managed to get my PS/2 keyboard working by unplugging it and plugging it into my PC's other PS/2 port (labelled for use with a mouse)
Please see bug #48877 for my full post, PC specs (if needed), and current xorg.conf file. Here: https://launchpad.net/distros/ubuntu/+bug/48877 -- Usb keyboard dies when gdm starts https://launchpad.net/bugs/32938 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
