best way to troubleshoot
You try it with 1 gpu and then add the next one and then next and so on.
you have 10GPUs installed, possibilities on mem shortage for 4GB RAM, by doing the suggested above, you can prove this
Look at the image 1 he posted guys..
he set the GPU_SINGLE_ALLOC_PERCENT value to 1%
thats the actual problem.. If not pls correct me..