Tri-head Sun Ultra 20 with NVS280 and onboard ATI
Performance problems seem common on the Sun Ultra 20 when trying to run dual or tri-head displays. Truthfully, I would be fine if the only dual head created by the NVS card gave good performance.
When I start x, the monitor connected to the ati card is black (although the lcd indicator is green). I cannot navigate to this screen.
More importantly, X is using an insane amount of CPU. Running GnomeFallingBlocks (tetris clone) results in about 95% cpu usage for X!!! Any ideas?