Finally, here's the /etc/X11/xorg.conf. I have edited it in the past, although I suspect that I probably don't need any customisations with current Ubuntu. I'm not sure if this version is modified from the system-generated one or not, so here it is just in case.
** Attachment added: "xorg.conf" http://launchpadlibrarian.net/19257772/xorg.conf -- Fatal server error: lockup https://bugs.launchpad.net/bugs/286792 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