I have Phenom x4 965 with 2xGPU 2 head Radeon HD6990
When I tried clinfo first time after local login and it show 5 devices (1 CPU and 4 GPUs).
amdconfig says, that "No supported adapters detected"
amdcccl shows 4 GPUs and Xorg.log also detected properly 4 cards and created /dev/ati/card
then I tried instructions from here
Ubuntu 12.04/12.10 - Enable OpenCL with headless/ssh with few easy steps...
and clinfo returned 3 devices after ssh login.
Then I tried clinfo locally, but it still return only 3 devices (1CPU+2GPUs).
After I returned configuration back and reboot, clinfo still reporting only 3 devices and amdcccl shows 4 GPUs.
How I can get rid of this troubles and perform make clBLAS using all 4GPUs remotely over ssh?