I know about this bug:

https://bugzilla.redhat.com/show_bug.cgi?id=972095

but my problem seems a little different; I'm using VirtualBox on the Mac, and just turning off 3D acceleration prevents the crash. 

Hugh

--
Hugh Caley
Software Developer, Rocket Aldon
Rocket Software

6001 Shellmound St. Ste. 600 · Emeryville, CA 94608 · USA · Tel:+1.510.285.8542
Email:hcaley@rocketsoftware.com Web:http://aldon.rocketsoftware.com