I've attached my grub.cfg file, I don't see anything that would stop the second core from being recognized, but I'm certainly no expert.
** Attachment added: "grub.cfg" http://launchpadlibrarian.net/33559916/grub.cfg -- Athlon X2 not recognized as dual core https://bugs.launchpad.net/bugs/437821 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