Hi guys I've a PCIE 6800 GT With an Asrock AliveDual-eSATA2 and and AMD 6400 that I currently use with PC-BSD.
Starting from the Galielo release I can't use anymore HW acceleration with 180.51or previous 180.XX nvidia driver release.
Using a 173.14.17 Nvidia driver series I have fully HW Acceleration with Galileo edition but I was facing, in my case, a PC Hard lockup in every next reboot after the 173.14.17 driver installation but not during the driver change session.
I talked with Kris about and he helped me to build a workaround that let me have the Fully HW acceleration and no hard PC lockup anymore.
The Tips was to load the Vesa module in Boot/loader.conf.
This is my loader.conf
With this help I don't have anymore Lockup and I have Fully HW Acceleration with my 6800 GT
I hope this can help someone that facing my same problem.