Here's the dmesg. I'm presently using a radeon card, but usually have no graphics card installed, and get the same behaviour.
** Attachment added: "dmesg.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1212977/+attachment/3792487/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1212977 Title: saucy daily-live images are unbootable on Dell Optiplex 990; stuck in BusyBox shell To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1212977/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs