Apple has released an update for the FIreWire internal audio driver, bringing it to version 1.0.8. The update is designed for specific audio devices using the BeBob breakout box. According to Apple:
FireWire Audio Driver Update 1.0.8 released.
This update is recommended for users of FireWire audio devices built on the BridgeCo Enhanced Breakout Box (BeBoB), including the FA-101 from Roland/Edirol.
You can find more information about the driver update at the Apple Web site. The update is available free for download.