How can I tell if eyefinity is working? The only ati card I have right now is a 5670. On windows I tried creating a display group across two monitors to verify that eyefinity worked that way. Under linux I did not see an option to create a group anywhere.
What I did was create a single desktop with two monitors and that activated both of them but xdpyinfo showed that xinerama was active however randr seemed to be still actived also which on nvidia gets disabled if xinerama is active. Composite also showed as active in xdpyinfo but xinerama should disable that normally, however the kde compositing stuff kept disabling whenever I turned it on.
Mostly if I can get this working and verify it is working for two monitors on a 5670 card I plan to get an eyefinity 6 card to replace my dual 8800 GTS cards in my main machine.