Really helps to post what version of firmware you are using.
I had problems with this on Kmeaw CFW. I used the new lv2.pkg from kmeaw and it worked just fine with a fresh rip to the internal hard drive. This is on undead nightmare. The original red dead redemption should work with this method as well.
F.T.F.S.I.= Failure To Follow Simple Instructions
Google is your friend.
Try using the search function instead of littering the message boards with questions that have been answered 10+ times.