Well, I just installed Ubuntu Feisty Herd 3 clean install and am still waiting for it to happen, so this dmesg is without the errors.
** Attachment added: "dmesg" http://librarian.launchpad.net/6363163/dmesg -- Feisty freeze, kernel (?) tries to access DVD drive https://launchpad.net/bugs/75295 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs