Have you tried other boot-flags. Give thes a try:

-f which will load your kexts (drivers) individually instead of from the cache file.
-x which will boot you into Safe Mode loading only the basics

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MOBO: Z77MX-QUO-AOS CPU: Core i7 3770K GPU: MSI N760 TF 2GD5/OC Case: Modded MacPro2,1
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Interests: KDE on Apple Darwin, Keeping it real with the command line, Helping those that help themselves