This thread helped me get X to work on my nvidia multi-gpu system as well, after upgrading to 2009.06. on my PC. Thanks a lot!
In short: boot into text mode; log in; xinit; Ctrl-C grep -i PCI.*nvidia /var/log/Xorg.0.log to find the PCI bus IDs run nvidia-xconfig to create /etc/X11/xorg.conf Duplicate 'Device' sections, fix identifier, and add the BusID PCI:x:y:z tokens. Fix identifier in 'Screen' section svcadm restart gdm or reboot My cards are 2x 8800 GTX at PCI 1:0:0 and 9:0:0. -- This message posted from opensolaris.org
