The installer detected RAID card on your machine. Maybe it's one of the new Intel Matrix Storage (Rapid Storage, Advanced Management).
Oct 5 23:55:37 ubuntu activate-dmraid: Serial ATA RAID disk(s) detected. If this was bad, boot with 'nodmraid'. Oct 5 23:55:37 ubuntu activate-dmraid: Enabling dmraid support. You can try booting the cd, pressing F6 and selecting nodmraid option. ** Changed in: ubiquity (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1062625 Title: Ubuquity partitioning fails to find /dev/sda To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1062625/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs