The same problem also occurs with Ubuntu 11.10 Server 64-bit, confirmed on a physical machine.
Here is a related bug reported: Intel software raid disks not detected by alternate installer if in RAID1 https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/914536 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/961847 Title: installer cannot start 'fakeraid' devices that need dm-mirror or dm- raid modules To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/961847/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
