Upgrading from FC4-->FC% Broke Software RAID / xorg

[vamythguy]

Upgraded to FC5 from a working FC4 install and now my raid 5 array doesn't
work.  I tried to use my FC4 mdadm.conf, but on boot I get this:

 md: Autodetecting RAID arrays.
Mar 19 16:47:05 tibeaux kernel: md: could not bd_claim sda1.
Mar 19 16:47:05 tibeaux kernel: md: could not bd_claim sdb1.
Mar 19 16:47:05 tibeaux kernel: md: could not bd_claim sdc1.
Mar 19 16:47:05 tibeaux kernel: md: could not bd_claim sdd1.
Mar 19 16:47:05 tibeaux kernel: md: autorun ...
Mar 19 16:47:05 tibeaux kernel: md: ... autorun DONE.

Any idea why this might be?  Also, seems that using my old xorg.conf doesn't
work either.  Can anyone help with either?
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